Instrument Transformers

Type TCB | 600 Volt Class | Miniature Bar Type | High Accuracy

Standard Features:
  • 60 Hertz VAC, 10KV BIL.
  • Clear Sealable Secondary Terminal Cover
  • Retained Shorting Device
  • #6-14 Potential Terminal
  • Tin Plated Copper Bus Bar
  • Certified Test Record With Each Transformer
  • Meets IEEE C.57.13.6 Standard for 
    High-Accuracy Instrument Transformers
  • Meets ANSI, NEMA, IEEE & EEI Standards
Type TCB - Stud Type Secondary Terminals 
Mounting Base Not Included
Model Primary Catalog Number Burden 0.15S Class 0.15% Accuracy 30C Rating Factor 30C Rating Factor 55C Weight Drawing Figure
TCB61 600 B10602YE E0.04, E0.2, B0.1, B0.2 30-1200 Amps 2 1.5 7 Lbs. 2
TCB61 600 B10601YE E0.04, E0.2, B0.1, B0.2 30-798 Amps 1.33 1 5 Lbs 1
Model Primary Catalog Number Burden 0.15S Class 0.15% Accuracy 30C Rating Factor 30C Rating Factor 55C Weight Drawing Figure
TCB61 600 B10602YKBR E0.04, E0.2, B0.1, B0.2 30-1200 Amps 2 1.5 7 Lbs. 2
TCB61 600 B10601YKBR E0.04, E0.2, B0.1, B0.2 30-798 Amps 1.33 1 5 Lbs 1
Model Primary Catalog Number Burden 0.15S Class 0.15% Accuracy 30C Rating Factor 30C Rating Factor 55C Weight Drawing Figure
TCB61 600 B10602YKH E0.04, E0.2, B0.1, B0.2 30-1200 Amps 2 1.5 7 Lbs. 6
TCB61 600 B10601YKH E0.04, E0.2, B0.1, B0.2 30-798 Amps 1.33 1 5 Lbs 5

Type TCB - Pressure Type Secondary Terminals 

Aluminum 2” High Mounting Base Included


Model Primary Catalog Number Burden 0.15S Class 0.15% Accuracy 30C Rating Factor 30C Rating Factor 55C Weight Drawing Figure
TCB61 600 B10602YEP E0.04, E0.2, B0.1, B0.2 30-1200 Amps 2 1.5 7 Lbs. 2
TCB61 600 B10601YEP E0.04, E0.2, B0.1, B0.2 30-798 Amps 1.33 1 5 Lbs 1
Model Primary Catalog Number Burden 0.15S Class 0.15% Accuracy 30C Rating Factor 30C Rating Factor 55C Weight Drawing Figure
TCB61 600 B10602YKBRP E0.04, E0.2, B0.1, B0.2 30-1200 Amps 2 1.5 7 Lbs. 2
TCB61 600 B10601YKBRP E0.04, E0.2, B0.1, B0.2 30-798 Amps 1.33 1 5 Lbs 1
Model Primary Catalog Number Burden 0.15S Class 0.15% Accuracy 30C Rating Factor 30C Rating Factor 55C Weight Drawing Figure
TCB61 600 B10602YKHP E0.04, E0.2, B0.1, B0.2 30-1200 Amps 2 1.5 7 Lbs. 6
TCB61 600 B10601YKHP E0.04, E0.2, B0.1, B0.2 30-798 Amps 1.33 1 5 Lbs 5

Type AB | 600 Volt Class | Intermediate Window & Bar | High Accuracy

Standard Features:
  • 60 Hertz VAC, 10KV BIL.
  • Clear Sealable Secondary Terminal Cover
  • Retained Shorting Device
  • Certified Test Record With Each Transformer
  • Meets IEEE C57.13.6 Standard for 
    High-Accuracy Instrument Transformers
  • 1% Through Rating Factor
Type AB - Stud & Pressure Type Secondary Terminals 
Aluminum Mounting Base Included
Model Primary Catalog Number Burden 0.15S Class 0.15% Accuracy 30C Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AB6Y 600 W50600Y1K E0.04, E0.2, B0.1, B0.2, B0.5 6-1800 Amps 3 2 9 Lbs. 1
AB6Y 600 B506051Y1K E0.04, E0.2, B0.1, B0.2, B0.5 6-1800 Amps 3 2 13 Lbs. 3
AB6Y 600 B506052Y1K E0.04, E0.2, B0.1, B0.2, B0.5 6-1800 Amps 3 2 13 Lbs 5
Model Primary Catalog Number Burden 0.15S Class 0.15% Accuracy 30C Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AB6Y 600 W50600Y1KP E0.04, E0.2, B0.1, B0.2, B0.5 6-1800 Amps 3 2 9 Lbs. 1
AB6Y 600 B506051Y1KP E0.04, E0.2, B0.1, B0.2, B0.5 6-1800 Amps 3 2 13 Lbs. 3
AB6Y 600 B506052Y1KP E0.04, E0.2, B0.1, B0.2, B0.5 6-1800 Amps 3 2 13 Lbs 5
Type AB - Stud & Pressure Type Secondary Terminals 
1” Aluminum Mounting Base Included
Model Primary Catalog Number Burden 0.15S Class 0.15% Accuracy 30C Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AB6Y 600 W50600Y1KH E0.04, E0.2, B0.1, B0.2, B0.5 6-1800 Amps 3 2 9 Lbs. 2
AB6Y 600 B506051Y1KH E0.04, E0.2, B0.1, B0.2, B0.5 6-1800 Amps 3 2 13 Lbs. 4
AB6Y 600 B506052Y1KH E0.04, E0.2, B0.1, B0.2, B0.5 6-1800 Amps 3 2 13 Lbs 6
Model Primary Catalog Number Burden 0.15S Class 0.15% Accuracy 30C Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AB6Y 600 W50600Y1KHP E0.04, E0.2, B0.1, B0.2, B0.5 6-1800 Amps 3 2 9 Lbs. 2
AB6Y 600 B506051Y1KHP E0.04, E0.2, B0.1, B0.2, B0.5 6-1800 Amps 3 2 13 Lbs. 4
AB6Y 600 B506052Y1KHP E0.04, E0.2, B0.1, B0.2, B0.5 6-1800 Amps 3 2 13 Lbs 6

Type AD | 600 Volt Class | Large Window Type 1

Standard Features:
  • 60 Hertz VAC, 10KV BIL.
  • Clear Sealable Secondary Terminal Cover
  • Retained Shorting Device
  • Certified Test Record With Each Transformer
  • Meets IEEE C57.13.6 Standard for 
    High-Accuracy Instrument Transformers
  • Meets ANSI, NEMA, IEEE & EEI Standards
Type AD - Stud & Pressure Type Secondary Terminals 
Mounting Base Not Included
Model Primary Catalog Number Burden 0.15S Class 0.15% Accuracy 30C Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AD20Y 2000 W82000YE E0.04, E0.2, B0.1, B0.2, B0.5, B0.9 100-5000 Amps 2.5 1.75 17 Lbs. 1
Model Primary Catalog Number Burden 0.15S Class 0.15% Accuracy 30C Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AD20Y 2000 W82000YEP E0.04, E0.2, B0.1, B0.2, B0.5, B0.9 100-5000 Amps 2.5 1.75 17 Lbs. 1
Type AD - Stud & Pressure Type Secondary Terminals 
Stainless Steel Mounting Base Included
Model Primary Catalog Number Burden 0.15S Class 0.15% Accuracy 30C Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AD20Y 2000 W82000YM E0.04, E0.2, B0.1, B0.2, B0.5, B0.9 100-5000 Amps 2.5 1.75 17 Lbs. 2
Model Primary Catalog Number Burden 0.15S Class 0.15% Accuracy 30C Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AD20Y 2000 W82000YMP E0.04, E0.2, B0.1, B0.2, B0.5, B0.9 100-5000 Amps 2.5 1.75 17 Lbs. 2

Type AB | 600 Volt Class | Intermediate Window Type

Standard Features:
  • 60 Hertz VAC, 10KV BIL.
  • Clear Sealable Secondary Terminal Cover
  • Retained Shorting Device
  • Certified Test Record With Each Transformer
  • Meets IEEE C57.13.6 Standard for 
    High-Accuracy Instrument Transformers
  • Meets ANSI, NEMA, IEEE & EEI Standards
Type AB - Stud Type Secondary Terminals 
Aluminum Low Mounting Base Included
Model Primary Catalog Number Burden 0.3S Class 0.6% Accuracy 30C 0.3% Accuracy 30C Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AB2Y 200 120YK 0.2 8-79 Amps 80-800 Amps 4 3 11 Lbs. 1
Model Primary Catalog Number Burden 0.3S Class 0.6% Accuracy 30C 0.3% Accuracy 30C Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AB2Y 200 120YKH 0.2 8-79 Amps 80-800 Amps 4 3 11 Lbs. 2
Type AB - Pressure Type Secondary Terminals 
Aluminum Low Mounting Base Included
Model Primary Catalog Number Burden 0.3S Class 0.6% Accuracy 30C 0.3% Accuracy 30C Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AB2Y 200 445YKP 0.2 8-79 Amps 80-800 Amps 4 3 11 Lbs. 1
AB5Y 500 120YKP 0.5 20-199 Amps 200-2000 Amps 4 3 7 Lbs. 5
Model Primary Catalog Number Burden 0.3S Class 0.6% Accuracy 30C 0.3% Accuracy 30C Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AB2Y 200 445YKHP 0.2 8-79 Amps 80-800 Amps 4 3 11 Lbs. 2

Type AB | 600 Volt Class | Intermediate Bar Type

Standard Features:
  • 60 Hertz VAC, 10KV BIL.
  • Clear Sealable Secondary Terminal Cover
  • Retained Shorting Device
  • Certified Test Record With Each Transformer
  • Meets IEEE C57.13.6 Standard for 
    High-Accuracy Instrument Transformers
  • Meets ANSI, NEMA, IEEE & EEI Standards
Type AB - Stud Type Secondary Terminals 
Aluminum Low Mounting Base Included
Model Primary Catalog Number Burden 0.3S Class 0.6% Accuracy 30C 0.3% Accuracy 30C Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AB21Y 200 446YK 0.2 8-79 Amps 80-800 Amps 4 3 13 Lbs. 2
Model Primary Catalog Number Burden 0.3S Class 0.6% Accuracy 30C 0.3% Accuracy 30C Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AB21Y 200 446YKH 0.2 8-79 Amps 80-800 Amps 4 3 13 Lbs. 4
Type AB - Pressure Type Secondary Terminals 
Aluminum Low Mounting Base Included
Model Primary Catalog Number Burden 0.3S Class 0.6% Accuracy 30C 0.3% Accuracy 30C Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AB21Y 200 446YKP 0.2 8-79 Amps 80-800 Amps 4 3 13 Lbs. 2
AB51Y 500 276YKP 0.5 20-199 Amps 200-2000 Amps 4 3 11 Lbs. 5
AB51Y 500 121YKP 0.5 20-199 Amps 200-2000 Amps 4 3 10 Lbs. 6
Model Primary Catalog Number Burden 0.3S Class 0.6% Accuracy 30C 0.3% Accuracy 30C Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AB21Y 200 446YKHP 0.2 8-79 Amps 80-800 Amps 4 3 13 Lbs. 4

Type AP | 600 Volt Class | Pad Mount Bushing Style

Standard Features:
  • 60 Hertz VAC, 10KV BIL.
  • Clear Sealable Secondary Terminal Cover
  • Retained Shorting Device
  • “Grabber” for Stabilizing Unit On A Bus Bar
  • Certified Test Record With Each Transformer
  • Meets IEEE C57.13.6 Standard for 
    High-Accuracy Instrument Transformers
  • Meets ANSI, NEMA, IEEE & EEI Standards
Type AP - Pressure Type Secondary Terminals 
Mounting Base Not Included
Model Primary Catalog Number Burden 0.3S Class 0.6% Accuracy 30C 0.3% Accuracy 30C Rating Factor 30C Rating Factor 55C Rating Factor 85C Weight Drawing Figure
AP2Y 200 601Y 0.1 8-79 Amps 80-800 Amps 4 4 4 7 Lbs. 2
AP4Y 400 603Y 0.2 16-159 Amps 160-1600 Amps 4 4 4 7 Lbs. 2
AP5Y 500 604Y 0.5 20-199 Amps 200-2000 Amps 4 4 4 7 Lbs. 2
AP15Y 1500 609Y 0.5 60-599 Amps 600-3000 Amps 2 2 2 7 Lbs. 2

The Eliminator 
Type AD | 600 Volt Class | Large Window Type 1

  • Standard Features:
  • 60 Hertz VAC, 10KV BIL.
  • Clear Sealable Secondary Terminal Cover
  • Retained Shorting Device
  • “Grabber” for Stabilizing Unit On A Bus Bar
  • Certified Test Record With Each Transformer
  • Meets IEEE C57.13.6 Standard for 
    High-Accuracy Instrument Transformers
  • Meets ANSI, NEMA, IEEE & EEI Standards
Type AD - Stud & Pressure Type Secondary Terminals 
Mounting Base Included
Model Primary Catalog Number Burden 0.3S Class 0.6% Accuracy 30C 0.3% Accuracy 30C Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AD10Y 1000 562YM 0.5 40-399 Amps 400-4000 Amps 4 3 17 Lbs. 2
Model Primary Catalog Number Burden 0.3S Class 0.6% Accuracy 30C 0.3% Accuracy 30C Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AD10Y 1000 562YMP 0.5 40-399 Amps 400-4000 Amp 4 3 17 Lbs. 1

Type TCW | 600 Volt Class | Miniature Window Type
Standard Features:
  • 60 Hertz VAC, 10KV BIL.
  • Clear Sealable Secondary Terminal Cover
  • Retained Shorting Device
  • Certified Test Record With Each Transformer
  • Meets IEEE C57.13.6 Standard for 
    High-Accuracy Instrument Transformers
  • Meets ANSI, NEMA, IEEE & EEI Standards

Type TCW - Stud & Pressure Type Secondary Terminals 
Mounting Base Not Included
Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
TCW1 100 197E 0.2 4 4 5 Lbs. 1
TCW2 200 198E 0.2 3 2 4 Lbs. 4
TCW3 300 230E 0.2 3 2 4 Lbs. 4
TCW4 400 231E 0.2 2 2 4 Lbs. 4
Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
TCW1 100 197EP 0.2 4 4 5 Lbs. 1
TCW2 200 198EP 0.2 3 2 4 Lbs. 4
TCW3 300 230EP 0.2 3 2 4 Lbs. 4
TCW4 400 231EP 0.2 2 2 4 Lbs. 4

Type TCW - Stud & Pressure Type Secondary Terminals 

Slotted Aluminum Low Mounting Base Included


Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
TCW1 100 197KBR 0.2 4 4 5 Lbs. 2
TCW2 200 198KBR 0.2 3 2 4 Lbs. 5
TCW3 300 230KBR 0.2 3 2 4 Lbs. 5
TCW4 400 231KBR 0.2 2 2 4 Lbs. 5
Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
TCW1 100 197KBRP 0.2 4 4 5 Lbs. 5
TCW2 200 198KBRP 0.2 3 2 4 Lbs. 4
TCW3 300 230KBRP 0.2 3 2 4 Lbs. 4
TCW4 400 231KBRP 0.2 2 2 4 Lbs. 4
Type TCW - Stud & Pressure Type Secondary Terminals 
Aluminum 2” High Mounting Base Included
Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
TCW1 100 197KH 0.2 4 4 5 Lbs. 3
TCW2 200 198KH 0.2 3 2 4 Lbs. 6
TCW3 300 230KH 0.2 3 2 4 Lbs. 6
TCW4 400 231KH 0.2 2 2 4 Lbs. 6
Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
TCW1 100 197KHP 0.2 4 4 5 Lbs. 3
TCW2 200 198KHP 0.2 3 2 4 Lbs. 6
TCW3 300 230KHP 0.2 3 2 4 Lbs. 6
TCW4 400 231KHP 0.2 2 2 4 Lbs. 6

Type TFW | 600 Volt Class | Miniature Window Type
Standard Features:
  • 60 Hertz VAC, 10KV BIL.
  • Clear Sealable Secondary Terminal Cover
  • Retained Shorting Device
  • Certified Test Record With Each Transformer
  • Meets IEEE C57.13.6 Standard for
    High-Accuracy Instrument Transformers
  • Meets ANSI, NEMA, IEEE & EEI Standards

Type TFW - Stud Type Secondary Terminals 
Mounting Base Not Included
Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
TFW1 100 349E 0.1 3 3 5 Lbs. 1
TFW2 200 350E 0.5 3 2.4 4 Lbs. 1
TFW3 300 351ER 0.5 3 2.4 4 Lbs. 4
TFW4 400 352E 0.5 2 1.5 4 Lbs. 4

Type TFW - Stud Type Secondary Terminals 

Aluminum Low Mounting Base Included


Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
TFW1 100 349KBR 0.1 3 3 5 Lbs. 2
TFW2 200 350KBR 0.5 3 2.4 4 Lbs. 2
TFW3 300 351KBR 0.5 3 2.4 4 Lbs. 5
TFW4 400 352KBR 0.5 2 1.5 4 Lbs. 5

Type TFW - Stud Type Secondary Terminals 

Aluminum 2" High Mounting Base Included

Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
TFW1 100 349KH 0.1 3 3 5 Lbs. 3
TFW2 200 350KH 0.5 3 3 4 Lbs. 3
TFW3 300 351KH 0.5 3 3 4 Lbs. 6
TFW4 400 352KH 0.5 2 3 4 Lbs. 6

Type TFW - Pressure Type Secondary Terminals 

Mounting Base Not Included

Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
TFW1 100 349EP 0.1 3 3 5 Lbs. 1
TFW2 200 350EP 0.5 3 2.4 4 Lbs. 1
TFW3 300 351EP 0.5 3 2.4 4 Lbs. 4
TFW4 400 352EP 0.5 2 1.5 4 Lbs. 4
Type TFW - Pressure Type Secondary Terminals 
Slotted Aluminum Low Mounting Base Included
Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
TFW1 100 349KBRP 0.1 3 3 5 Lbs. 2
TFW2 200 350KBRP 0.5 3 2.4 4 Lbs. 2
TFW3 300 351KBRP 0.5 3 2.4 4 Lbs. 5
TFW4 400 352KBRP 0.5 2 1.5 4 Lbs. 5

Type TFW - Pressure Type Secondary Terminals 

Aluminum 2” High Mounting Base Included

Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
TFW1 100 349KHP 0.1 3 3 5 Lbs. 3
TFW2 200 350KHP 0.5 3 2.4 4 Lbs. 3
TFW3 300 351KHP 0.5 3 2.4 4 Lbs. 6
TFW4 400 352KHP 0.5 2 1.5 4 Lbs. 6

Type TCB |600 Volt Class | Miniature Bar Type
Standard Features:
  • 60 Hertz VAC, 10KV BIL.
  • Clear Sealable Secondary Terminal Cover
  • Retained Shorting Device
  • #6-14 Potential Terminal
  • Tin Plated Copper Bus Bar
  • Certified Test Record With Each Transformer
  • Meets ANSI, NEMA, IEEE & EEI Standards

Type TCB - Stud & Pressure Type Secondary Terminals 
Mounting Base Not Included
Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
TCB11 100 173E 0.2 4 3 5 Lbs. 1
TCB21 200 199E 0.2 2 1.5 4 Lbs. 2
TCB31 300 233E 0.2 2 1.5 6 Lbs. 7
TCB41 400 234E 0.2 2 1.5 6 Lbs. 7
TCB61 600 235E 0.2 2 1.5 7 Lbs. 8
TCB81 800 229E 0.2 1.5 1.1 7 Lbs. 8
Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
TCB11 100 173EP 0.2 4 3 5 Lbs. 1
TCB21 200 199EP 0.2 2 1.5 4 Lbs. 2
TCB31 300 233EP 0.2 2 1.5 6 Lbs. 7
TCB41 400 234EP 0.2 2 1.5 6 Lbs. 7
TCB61 600 235EP 0.2 2 1.5 7 Lbs. 8
TCB81 800 229EP 0.2 1.5 1.1 7 Lbs. 8

Type TCB - Stud & Pressure Type Secondary Terminals 

Slotted Aluminum Low Mounting Base Included

Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
TCB11 100 173KBR 0.2 4 3 5 Lbs. 3
TCB21 200 199KBR 0.2 2 1.5 4 Lbs. 4
TCB31 300 233KBR 0.2 2 1.5 6 Lbs. 9
TCB41 400 234KBR 0.2 2 1.5 6 Lbs. 9
TCB61 600 235KBR 0.2 2 1.5 7 Lbs. 10
TCB81 800 229KBR 0.2 1.5 1.1 7 Lbs. 10
Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
TCB11 100 173KBRP 0.2 4 3 5 Lbs. 3
TCB21 200 199KBRP 0.2 2 1.5 4 Lbs. 4
TCB31 300 233KBRP 0.2 2 1.5 6 Lbs. 9
TCB41 400 234KBRP 0.2 2 1.5 6 Lbs. 9
TCB61 600 235KBRP 0.2 2 1.5 7 Lbs. 10
TCB81 800 229KBRP 0.2 1.5 1.1 7 Lbs. 10

Type TCB - Stud & Pressure Type Secondary Terminals 

Aluminum 2" High Mounting Base Included

Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
TCB11 100 173KH 0.2 4 3 5 Lbs. 5
TCB21 200 199KH 0.2 2 1.5 4 Lbs. 6
TCB31 300 233KH 0.2 2 1.5 6 Lbs. 6
TCB41 400 234KH 0.2 2 1.5 6 Lbs. 11
TCB61 600 235KH 0.2 2 1.5 7 Lbs. 12
TCB81 800 229KH 0.2 1.5 1.1 7 Lbs. 12
Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
TCB11 100 173KHP 0.2 4 3 5 Lbs. 5
TCB21 200 199KHP 0.2 2 1.5 4 Lbs. 6
TCB31 300 233KHP 0.2 2 1.5 6 Lbs. 11
TCB41 400 234KHP 0.2 2 1.5 6 Lbs. 11
TCB61 600 235KHP 0.2 2 1.5 7 Lbs. 12
TCB81 800 229KHP 0.2 1.5 1.1 7 Lbs. 12

Type TAB |600 Volt Class | Miniature Bar Type
Standard Features:
  • 60 Hertz VAC, 10KV BIL.
  • Clear Sealable Secondary Terminal Cover
  • Retained Shorting Device
  • #6-14 Potential Terminal
  • Tin Plated Copper Bus Bar
  • Certified Test Record With Each Transformer
  • Meets ANSI, NEMA, IEEE & EEI Standards

Type TAB - Stud & Pressure Type Secondary Terminals 
Mounting Base Not Included
Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
TAB21 200 205E 0.5 2 1.5 5 Lbs. 1
TAB31 300 206E 0.5 2 1.5 6 Lbs. 2
TAB41 400 207E 0.5 2 1.5 6 Lbs. 2
TAB61 600 208E 0.5 2 1.5 7 Lbs. 7
TAB81 800 209E 0.5 1.5 1.1 7 Lbs. 7
Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
TAB21 200 205EP 0.5 2 1.5 5 Lbs. 1
TAB31 300 206EP 0.5 2 1.5 6 Lbs. 2
TAB41 400 207EP 0.5 2 1.5 6 Lbs. 2
TAB61 600 208EP 0.5 2 1.5 7 Lbs. 7
TAB81 800 209EP 0.5 1.5 1.1 7 Lbs. 7

Type TAB - Stud & Pressure Type Secondary Terminals 

Slotted Aluminum Low Mounting Base Not Included

Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
TAB21 200 199KBR 0.5 2 1.5 5 Lbs. 3
TAB31 300 233KBR 0.5 2 1.5 6 Lbs. 4
TAB41 400 234KBR 0.5 2 1.5 6 Lbs. 4
TAB61 600 235KBR 0.5 2 1.5 7 Lbs. 8
TAB81 800 229KBR 0.5 1.5 1.1 7 Lbs. 8
Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
TAB21 200 205KBRP 0.5 2 1.5 5 Lbs. 3
TAB31 300 206KBRP 0.5 2 1.5 6 Lbs. 4
TAB41 400 207KBRP 0.5 2 1.5 6 Lbs. 4
TAB61 600 208KBRP 0.5 2 1.5 7 Lbs. 8
TAB81 800 209KBRP 0.5 1.5 1.1 7 Lbs. 8
Type TAB - Stud & Pressure Type Secondary Terminals 
Aluminum 2” High Mounting Base Included
Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
TAB21 200 205KH 0.5 2 1.5 5 Lbs. 5
TAB31 300 206KH 0.5 2 1.5 6 Lbs. 6
TAB41 400 207KH 0.5 2 1.5 6 Lbs. 6
TAB61 600 208KH 0.5 2 1.5 7 Lbs. 9
TAB81 800 209KH 0.5 1.5 1.1 7 Lbs. 9
Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
TAB21 200 205KHP 0.5 2 1.5 5 Lbs. 5
TAB31 300 206KHP 0.5 2 1.5 6 Lbs. 6
TAB41 400 207KHP 0.5 2 1.5 6 Lbs. 6
TAB61 600 208KHP 0.5 2 1.5 7 Lbs. 9
TAB81 800 209KHP 0.5 1.5 1.1 7 Lbs. 9

Type AB |600 Volt Class | Intermediate Window Type
Standard Features:
  • 60 Hertz VAC, 10KV BIL.
  • Clear Sealable Secondary Terminal Cover
  • Retained Shorting Device
  • Tin Plated Copper Bus Bar
  • Certified Test Record With Each Transformer
  • Meets ANSI, NEMA, IEEE & EEI Standards

Type AB- Stud Type Secondary Terminals 
Mounting Base Not Included
Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AB1 100 93K 0.1 4 4 11 Lbs. 1
AB1 100 99K 0.2 4 4 13 Lbs. 3
AB2 200 100K 0.5 4 4 11 Lbs. 1
AB3 300 101K 0.5 3 2.4 11 Lbs. 1
AB4 400 102K 0.5 4 3 7 Lbs. 5
AB6 600 103K 0.5 2 1.5 6 Lbs. 5
AB8 800 104K 0.5 2 1.5 6 Lbs. 5
Dual Ratio
Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AB2/4 200/400 110K 0.5/0.5 4.0/2.0 3.0/1.5 11 Lbs. 1
AB3/6 300/600 111K 0.5/0.5 2.0/2.0 1.5/1.5 7 Lbs. 5
AB4/8 400/800 112K 0.5/0.5 2.0/2.0 1.5/1.5 7 Lbs. 5

Type AB- Stud Type Secondary Terminals

1" High Mounting Base Included

Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AB1 100 93KH 0.1 4 4 11 Lbs. 2
AB1 100 99KH 0.2 4 4 13 Lbs. 4
AB2 200 100KH 0.5 4 4 11 Lbs. 2
AB3 300 101KH 0.5 3 2.4 11 Lbs. 2
AB4 400 102KH 0.5 4 3 7 Lbs. 6
AB6 600 103KH 0.5 2 1.5 6 Lbs. 6
AB8 800 104KH 0.5 2 1.5 6 Lbs. 6

Dual Ratio

Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AB2/4 200/400 110KH 0.5/0.5 4.0/2.0 3.0/1.5 11 Lbs. 2
AB3/6 300/600 111KH 0.5/0.5 2.0/2.0 1.5/1.5 7 Lbs. 6
AB4/8 400/800 112KH 0.5/0.5 2.0/2.0 1.5/1.5 7 Lbs. 6

Type AB- Pressure Type Secondary Terminals

Aluminum Low Mounting Base Included

Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AB1 100 93KP 0.1 4 4 11 Lbs. 1
AB1 100 99KP 0.2 4 4 13 Lbs. 3
AB2 200 100KP 0.5 4 4 11 Lbs. 1
AB3 300 101KP 0.5 3 2.4 11 Lbs. 1
AB4 400 102KP 0.5 4 3 7 Lbs. 5
AB6 600 103KP 0.5 2 1.5 6 Lbs. 5
AB8 800 104KP 0.5 2 1.5 6 Lbs. 5

Dual Ratio

Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AB2/4 200/400 110KP 0.5/0.5 4.0/2.0 3.0/1.5 11 Lbs. 1
AB3/6 300/600 111KP 0.5/0.5 2.0/2.0 1.5/1.5 7 Lbs. 5
AB4/8 400/800 112KP 0.5/0.5 2.0/2.0 1.5/1.5 7 Lbs. 5

Type AB- Pressure Type Secondary Terminals

1" High Mounting Base Included

Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AB1 100 93KHP 0.1 4 4 11 Lbs. 2
AB1 100 99KHP 0.2 4 4 13 Lbs. 4
AB2 200 100KHP 0.5 4 4 11 Lbs. 2
AB3 300 101KHP 0.5 3 2.4 11 Lbs. 2
AB4 400 102KHP 0.5 4 3 7 Lbs. 6
AB6 600 103KHP 0.5 2 1.5 6 Lbs. 6
AB8 800 104KHP 0.5 2 1.5 6 Lbs. 6

Dual Ratio

Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AB2/4 200/400 110K 0.5/0.5 4.0/2.0 3.0/1.5 11 Lbs. 2
AB3/6 300/600 111K 0.5/0.5 2.0/2.0 1.5/1.5 7 Lbs. 6
AB4/8 400/800 112K 0.5/0.5 2.0/2.0 1.5/1.5 7 Lbs. 6

Type AB |600 Volt Class | Intermediate Bar Type
Standard Features:
  • 60 Hertz VAC, 10KV BIL.
  • Clear Sealable Secondary Terminal Cover
  • Retained Shorting Device
  • Tin Plated Copper Bus Bar
  • #6-14 Potential Terminal
  • Certified Test Record With Each Transformer
  • Meets ANSI, NEMA, IEEE & EEI Standards

Type AB- Stud Type Secondary Terminals 
Mounting Base Not Included
Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AB11 100 124K 0.1 4 4 11 Lbs. 2
AB11 100 122K 0.2 4 4 15 Lbs. 1
AB21 200 105K 0.5 4 4 13 Lbs. 2
AB31 300 106K 0.5 2 1.5 13 Lbs. 2
AB41 400 107K 0.5 4 3 11 Lbs. 5
AB61 600 108K 0.5 2 1.5 10 Lbs. 5
AB81 800 109K 0.5 2 1.5 10 Lbs. 5
AB101 1000 134K 1.8 2 1.5 10 Lbs. 9
AB121 1200 135K 1.8 1.5 1.1 10 Lbs. 6
AB151 1500 136K 1.8 1.5 1.1 12 Lbs. 9
AB201 2000 137K 1.8 1.5 1.1 18 Lbs. 10
AB301 3000 138K 1.8 1.33 1 20 Lbs. 13
AB401 4000 139K 1.8 1 0.7 21 Lbs. 13
Dual Ratio
Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AB2/41 200/400 113K 0.5/0.5 4.0/2.0 3.0/1.5 13 Lbs. 2
AB3/61 300/600 114K 0.5/0.5 2.0/2.0 1.5/1.5 11 Lbs. 5
AB4/81 400/800 115K 0.5/0.5 2.0/2.0 1.5/1.5 11 Lbs. 5
AB10/201 1000/2000 143K 0.5/1.8 2.0/1.5 1.5/1.1 18 Lbs. 10
AB15/301 1500/3000 144K 1.8/1.8 1.5/1.33 1.1/1.0 21 Lbs. 13
AB20/401 2000/4000 145K 1.8/1.8 1.5/1.0 1.1/0.7 21 lbs. 13

Type AB- Removable Bus Bar w/ Stud Type Secondary Terminals

Aluminum 1" High Mounting Base Included

Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AB11 100 124KH 0.1 4 4 11 Lbs. 4
AB11 100 122KH 0.2 4 4 15 Lbs. 3
AB21 200 105KH 0.5 4 4 13 Lbs. 4
AB31 300 106KH 0.5 2 1.5 13 Lbs. 4
AB41 400 107KH 0.5 4 3 11 Lbs. 7
AB61 600 108KH 0.5 2 1.5 10 Lbs. 7
AB81 800 109KH 0.5 2 1.5 10 Lbs. 7
AB101 1000 134KH 1.8 2 1.5 10 Lbs. 11
AB121 1200 135KH 1.8 1.5 1.1 10 Lbs. 8
AB151 1500 136KH 1.8 1.5 1.1 12 Lbs. 11
AB201 2000 137KH 1.8 1.5 1.1 18 Lbs. 12
AB301 3000 138KH 1.8 1.33 1 20 Lbs. 14
AB401 4000 139KH 1.8 1 0.7 21 Lbs. 14

Dual Ratio

Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AB2/41 200/400 113KH 0.5/0.5 4.0/2.0 3.0/1.5 13 Lbs. 4
AB3/61 300/600 114KH 0.5/0.5 2.0/2.0 1.5/1.5 11 Lbs. 7
AB4/81 400/800 115KH 0.5/0.5 2.0/2.0 1.5/1.5 11 Lbs. 7
AB10/201 1000/2000 143KH 0.5/1.8 2.0/1.5 1.5/1.1 18 Lbs. 12
AB15/301 1500/3000 144KH 1.8/1.8 1.5/1.33 1.1/1.0 21 Lbs. 14
AB20/401 2000/4000 145KH 1.8/1.8 1.5/1.0 1.1/0.7 21 lbs. 14

Type AB- Removable Bus Bar w/ Pressure Type Secondary Terminals

Aluminum Low Mounting Base Included

Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AB11 100 124KP 0.1 4.0 4.0 11 Lbs. 2
AB11 100 122KP 0.2 4.0 4.0 15 Lbs. 1
AB21 200 105KP 0.5 4.0 4.0 13 Lbs. 2
AB31 300 106KP 0.5 2.0 1.5 13 Lbs. 2
AB41 400 107KP 0.5 4.0 3.0 11 Lbs. 5
AB61 600 108KP 0.5 2.0 1.5 10 Lbs. 5
AB81 800 109KP 0.5 2.0 1.5 10 Lbs. 5
AB101 1000 134KP 1.8 2.0 1.5 10 Lbs. 9
AB121 1200 135KP 1.8 1.5 1.1 10 Lbs. 6
AB151 1500 136KP 1.8 1.5 1.1 12 Lbs. 9
AB201 2000 137KP 1.8 1.5 1.1 18 Lbs. 10
AB301 3000 138KP 1.8 1.33 1.0 20 Lbs. 13
AB401 4000 139KP 1.8 1.0 0.7 21 Lbs. 13

Dual Ratio

Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AB2/41 200/400 113KP 0.5/0.5 4.0/2.0 3.0/1.5 13 Lbs. 2
AB3/61 300/600 114KP 0.5/0.5 2.0/2.0 1.5/1.5 11 Lbs. 5
AB4/81 400/800 115KP 0.5/0.5 2.0/2.0 1.5/1.5 11 Lbs. 5
AB10/201 1000/2000 143KP 0.5/1.8 2.0/1.5 1.5/1.1 18 Lbs. 10
AB15/301 1500/3000 144KP 1.8/1.8 1.5/1.33 1.1/1.0 21 Lbs. 13
AB20/401 2000/4000 145KP 1.8/1.8 1.5/1.0 1.1/0.7 21 lbs. 13

Type AB- Removable Bus Bar w/ Pressure Type Secondary Terminals

Aluminum 1" High Mounting Base Included

Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AB11 100 124KHP 0.1 4 4 11 Lbs. 4
AB11 100 122KHP 0.2 4 4 15 Lbs. 3
AB21 200 105KHP 0.5 4 4 13 Lbs. 4
AB31 300 106KHP 0.5 2 1.5 13 Lbs. 4
AB41 400 107KHP 0.5 4 3 11 Lbs. 7
AB61 600 108KHP 0.5 2 1.5 10 Lbs. 7
AB81 800 109KHP 0.5 2 1.5 10 Lbs. 7
AB101 1000 134KHP 1.8 2 1.5 10 Lbs. 11
AB121 1200 135KHP 1.8 1.5 1.1 10 Lbs. 8
AB151 1500 136KHP 1.8 1.5 1.1 12 Lbs. 11
AB201 2000 137KHP 1.8 1.5 1.1 18 Lbs. 12
AB301 3000 138KHP 1.8 1.33 1 20 Lbs. 14
AB401 4000 139KHP 1.8 1 0.7 21 Lbs. 14

Dual Ratio

Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AB2/41 200/400 113KHP 0.5/0.5 4.0/2.0 3.0/1.5 13 Lbs. 4
AB3/61 300/600 114KHP 0.5/0.5 2.0/2.0 1.5/1.5 11 Lbs. 7
AB4/81 400/800 115KHP 0.5/0.5 2.0/2.0 1.5/1.5 11 Lbs. 7
AB10/201 1000/2000 143KHP 0.5/1.8 2.0/1.5 1.5/1.1 18 Lbs. 12
AB15/301 1500/3000 144KHP 1.8/1.8 1.5/1.33 1.1/1.0 21 Lbs. 14
AB20/401 2000/4000 145KHP 1.8/1.8 1.5/1.0 1.1/0.7 21 lbs. 14

Type AP | 600 Volt Class | Pad Mount Bushing Style

Standard Features:
  • 60 Hertz VAC, 10KV BIL.
  • Clear Sealable Secondary Terminal Cover
  • Retained Shorting Device
  • Tin Plated Copper Bus Bar
  • #6-14 Potential Terminal
  • Certified Test Record With Each Transformer
  • Meets ANSI, NEMA, IEEE & EEI Standards

Type AP- Pressure Type Secondary Terminals 
Mounting Base Not Included
Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Rating Factor 85C Weight Drawing Figure
AP2 200 601 0.1 3 4 3 7 Lbs. 1
AP2A 200 601A 0.1 4 4 4 7 Lbs. 1
APN2 200 601N 0.2 3 3 3 9 Lbs. 2
APNE2 200 601NE 0.2 4 4 4 9 Lbs. 2
AP3 300 602 0.2 3 3 3 7 Lbs. 1
AP4 400 603 0.2 4 4 4 7 Lbs. 1
APN4 400 603N 0.2 4 4 4 7 Lbs. 1
AP5 500 604 0.5 3 3 3 7 Lbs. 1
AP6 600 605 0.5 3 3 3 7 Lbs. 1
AP8 800 606 0.5 3 2.5 2.5 7 Lbs. 1
AP10 1000 607 0.5 2 2 2 7 Lbs. 1
AP12 1200 608 0.9 2 2 2 7 Lbs. 1
AP15 1500 609 1.8 2 2 2 7 Lbs. 1
AP20 2000 610 1.5 1 1.5 1.5 7 Lbs. 1
AP30 3000 611 1.8 1.33 1.33 1.33 7 Lbs. 1
AP40 4000 612 1.8 1 1 1 9 Lbs. 2

Type AD|600 Volt Class | Large Window Type 1 
Standard Features:
  • 60 Hertz VAC, 10KV BIL.
  • Clear Sealable Secondary Terminal Cover
  • Retained Shorting Device
  • Certified Test Record With Each Transformer
  • Meets ANSI, NEMA, IEEE & EEI Standards

Type AD - Stud Type Secondary Terminals 
Mounting Base Not Included
Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AD2 200 522E 0.2 4 4 17 Lbs. 1
AD4 400 554E 0.2 4 3 17 Lbs. 1
AD6 600 555E 0.5 3 2.4 17 Lbs. 1
AD8 800 556E 0.5 2 1.5 17 Lbs. 1
AD10 1000 562E 0.5 2 1.5 17 Lbs. 1
AD12 1200 557E 0.9 2 1.5 17 Lbs. 1
AD15 1500 558E 0.9 3 2.4 17 Lbs. 1
AD20 2000 559E 1.8 2 1.5 17 Lbs. 1
AD30 3000 560E 1.8 1.5 1.1 17 Lbs. 1
AD40 4000 561E 1.8 1.5 1.1 17 Lbs. 1
Dual Ratio
Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AD6/12 600/1200 564E 0.5/0.9 3.0/2.0 2.4/1.5 17 Lbs. 1
AD8/16 800/1600 565E 0.5/0.9 2.0/2.0 1.5/1.5 17 Lbs. 1
AD10/20 1000/2000 571E 0.5/1.8 2.0/2.0 1.5/1.5 17 Lbs. 1
AD15/30 1500/3000 572E 0.9/1.8 2.0/1.5 1.5/1.0 17 Lbs. 1
AD20/40 2000/4000 573E 1.8/1.8 2.0/1.5 1.5/1.0 17 Lbs. 1

Type AD - Stud Type Secondary Terminals 

2 Piece Stainless Steel Mounting Base Included

Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AD2 200 522M 0.2 4 4 17 Lbs. 2
AD4 400 554M 0.2 4 3 17 Lbs. 2
AD6 600 555M 0.5 3 2.4 17 Lbs. 2
AD8 800 556M 0.5 2 1.5 17 Lbs. 2
AD10 1000 562M 0.5 2 1.5 17 Lbs. 2
AD12 1200 557M 0.9 2 1.5 17 Lbs. 2
AD15 1500 558M 0.9 3 2.4 17 Lbs. 2
AD20 2000 559M 1.8 2 1.5 17 Lbs. 2
AD30 3000 560M 1.8 1.5 1.1 17 Lbs. 2
AD40 4000 561M 1.8 1.5 1.1 17 Lbs. 2

Dual Ratio

Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AD6/12 600/1200 564M 0.5/0.9 3.0/2.0 2.4/1.5 17 Lbs. 2
AD8/16 800/1600 565M 0.5/0.9 2.0/2.0 1.5/1.5 17 Lbs. 2
AD10/20 1000/2000 571M 0.5/1.8 2.0/2.0 1.5/1.5 17 Lbs. 2
AD15/30 1500/3000 572M 0.9/1.8 2.0/1.5 1.5/1.0 17 Lbs. 2
AD20/40 2000/4000 573M 1.8/1.8 2.0/1.5 1.5/1.0 17 Lbs. 2

Type AD - Pressure Type Secondary Terminals

Mounting Base Not Included

Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AD2 200 522EP 0.2 4 4 17 Lbs. 1
AD4 400 554EP 0.2 4 3 17 Lbs. 1
AD6 600 555EP 0.5 3 2.4 17 Lbs. 1
AD8 800 556EP 0.5 2 1.5 17 Lbs. 1
AD10 1000 562EP 0.5 2 1.5 17 Lbs. 1
AD12 1200 557EP 0.9 2 1.5 17 Lbs. 1
AD15 1500 558EP 0.9 3 2.4 17 Lbs. 1
AD20 2000 559EP 1.8 2 1.5 17 Lbs. 1
AD30 3000 560EP 1.8 1.5 1.1 17 Lbs. 1
AD40 4000 561EP 1.8 1.5 1.1 17 Lbs. 1

Dual Ratio

Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AD6/12 600/1200 564EP 0.5/0.9 3.0/2.0 2.4/1.5 17 Lbs. 1
AD8/16 800/1600 565EP 0.5/0.9 2.0/2.0 1.5/1.5 17 Lbs. 1
AD10/20 1000/2000 571EP 0.5/1.8 2.0/2.0 1.5/1.5 17 Lbs. 1
AD15/30 1500/3000 572EP 0.9/1.8 2.0/1.5 1.5/1.0 17 Lbs. 1
AD20/40 2000/4000 573EP 1.8/1.8 2.0/1.5 1.5/1.0 17 Lbs. 1
Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AD2 200 522MP 0.2 4 4 17 Lbs. 1
AD4 400 554MP 0.2 4 3 17 Lbs. 1
AD6 600 555MP 0.5 3 2.4 17 Lbs. 1
AD8 800 556MP 0.5 2 1.5 17 Lbs. 1
AD10 1000 562MP 0.5 2 1.5 17 Lbs. 1
AD12 1200 557MP 0.9 2 1.5 17 Lbs. 1
AD15 1500 558MP 0.9 3 2.4 17 Lbs. 1
AD20 2000 559MP 1.8 2 1.5 17 Lbs. 1
AD30 3000 560MP 1.8 1.5 1.1 17 Lbs. 1
AD40 4000 561MP 1.8 1.5 1.1 17 Lbs. 1

Type AD - Pressure Type Secondary Terminals

Mounting Base Included

Dual Ratio

Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
AD6/12 600/1200 564MP 0.5/0.9 3.0/2.0 2.4/1.5 17 Lbs. 1
AD8/16 800/1600 565MP 0.5/0.9 2.0/2.0 1.5/1.5 17 Lbs. 1
AD10/20 1000/2000 571MP 0.5/1.8 2.0/2.0 1.5/1.5 17 Lbs. 1
AD15/30 1500/3000 572MP 0.9/1.8 2.0/1.5 1.5/1.0 17 Lbs. 1
AD20/40 2000/4000 573MP 1.8/1.8 2.0/1.5 1.5/1.0 17 Lbs. 1

Type ALC | 600 Volt Class | Large Window Type II
Standard Features:
  • 60 Hertz VAC, 10KV BIL.
  • Clear Sealable Secondary Terminal Cover
  • Retained Shorting Device
  • Certified Test Record With Each Transformer
  • Meets ANSI, NEMA, IEEE & EEI Standards

Type ALC - Stud Type Secondary Terminals 
Mounting Base Not Included
Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
ACL8 800 528 0.5 3 2.4 24 Lbs. 1
ACL10 1000 529 0.5 3 2.4 24 Lbs. 1
ACL12 1200 530 0.9 3 2.4 24 Lbs. 1
ACL15 1500 531 0.9 3 2.4 24 Lbs. 1
ACL20 2000 532 1.8 2 1.5 24 Lbs. 1
ACL30 3000 533 1.8 2 1.5 24 Lbs. 1
ACL40 4000 534 1.8 1.5 1.5 24 Lbs. 1
Dual Ratio
Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
ACL10/20 1000/2000 541 0.5/1.8 3.0/2.0 2.4/1.5 24 Lbs. 1
ACL15/30 1500/3000 542 0.9/1.8 2.0/2.0 2.4/1.5 24 Lbs. 1
ACL20/40 2000/4000 543 1.8/1.8 2.0/1.5 1.5/1.1 24 Lbs. 1

Type ALC - Pressure Type Secondary Terminals 

Mounting Base Not Included

Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
ACL8 800 528P 0.5 3 2.4 24 Lbs. 1
ACL10 1000 529P 0.5 3 2.4 24 Lbs. 1
ACL12 1200 530P 0.9 3 2.4 24 Lbs. 1
ACL15 1500 531P 0.9 3 2.4 24 Lbs. 1
ACL20 2000 532P 1.8 2 1.5 24 Lbs. 1
ACL30 3000 533P 1.8 2 1.5 24 Lbs. 1
ACL40 4000 534P 1.8 1.5 1.5 24 Lbs. 1

Dual Ratio

Model Primary Catalog Number Burden 0.3S Class Rating Factor 30C Rating Factor 55C Weight Drawing Figure
ACL10/20 1000/2000 541P 0.5/1.8 3.0/2.0 2.4/1.5 24 Lbs. 1
ACL15/30 1500/3000 542P 0.9/1.8 2.0/2.0 2.4/1.5 24 Lbs. 1
ACL20/40 2000/4000 543P 1.8/1.8 2.0/1.5 1.5/1.1 24 Lbs. 1

Type DF |600 Volt Class | 300 Volt Amperes
Standard Features:
  • 60 Hertz VAC, 10KV BIL.
  • Clear Sealable Secondary Terminal Cover
  • Certified Test Record With Each Transformer
  • Meets ANSI, NEMA, IEEE & EEI Standards

Type DF - 300 Volt Amperes with Stud Type Secondary Terminals  
Stainless Steel Mounting Base Included
Model Primary Secondary Ratio Catalog Number Burden 0.3S Accuracy Class 30C Continous Thermal Rating Weight Drawing Figure
DF1 120 120 1:1 1071 W 300 Volt Amps 8 Lbs. 1
DF2 240 120 2:1 1072 W 300 Volt Amps 8 Lbs. 1
DF2.4 288 120 2.4:1 1073 W 300 Volt Amps 8 Lbs. 1
DF2.5 300 120 2.5:1 1074 W 300 Volt Amps 8 Lbs. 1
DF4 480 120 4:1 1076 W 300 Volt Amps 8 Lbs. 1

Type DF - 300 Volt Amperes with Pressure Type Secondary Terminals 

Stainless Steel Mounting Base Included

Model Primary Secondary Ratio Catalog Number Burden 0.3S Accuracy Class 30C Continous Thermal Rating Weight Drawing Figure
DF1 120 120 1:1 1071P W 300 Volt Amps 8 Lbs. 1
DF2 240 120 2:1 1072P W 300 Volt Amps 8 Lbs. 1
DF2.4 288 120 2.4:1 1073P W 300 Volt Amps 8 Lbs. 1
DF2.5 300 120 2.5:1 1074P W 300 Volt Amps 8 Lbs. 1
DF4 480 120 4:1 1076P W 300 Volt Amps 8 Lbs. 1

Type DB |600 Volt Class | 500 Volt Amperes
Standard Features:
  • 60 Hertz VAC, 10KV BIL.
  • Clear Sealable Secondary Terminal Cover
  • Certified Test Record With Each Transformer
  • Meets ANSI, NEMA, IEEE & EEI Standards
Type DB - 500 Volt Amperes with Stud Type Secondary Terminals  
Stainless Steel Mounting Base Included
Model Primary Secondary Ratio Catalog Number Burden 0.3S Accuracy Class 30C Continous Thermal Rating Weight Drawing Figure
DB1 120 120 1:1 1051 W, X, M 500 Volt Amps 14 Lbs. 2
DB2 240 120 2:1 1052 W, X, M 500 Volt Amps 14 Lbs. 2
DB3 480 120 2:1 1066 W, X, M 500 Volt Amps 14 Lbs. 2
DB2.4 288 120 2.4:1 1053 W, X, M 500 Volt Amps 14 Lbs. 2
DB2.5 300 120 2.5:1 1054 W, X, M 500 Volt Amps 14 Lbs. 2
DB4 480 120 4:1 1055 W, X, M 500 Volt Amps 14 Lbs. 2

Type DA|600 Volt Class | 750 Volt Amperes
Standard Features:
  • 60 Hertz VAC, 10KV BIL.
  • Clear Sealable Secondary Terminal Cover
  • Certified Test Record With Each Transformer
  • Meets ANSI, NEMA, IEEE & EEI Standards

Type DA - 750 Volt Amperes with Stud Type Secondary Terminals  
Stainless Steel Mounting Base Included
Model Primary Secondary Ratio Catalog Number Burden 0.3S Accuracy Class 30C Continous Thermal Rating Weight Drawing Figure
DA1 120 120 1:1 1001 W, X, M, Y 750 Volt Amps 20 Lbs. 3
DA2 240 120 2:1 1002 W, X, M, Y 750 Volt Amps 20 Lbs. 3
DA2.4 288 120 2.4:1 1003 W, X, M, Y 750 Volt Amps 20 Lbs. 3
DA2.5 300 120 2.5:1 1004 W, X, M, Y 750 Volt Amps 20 Lbs. 3
DA4 480 120 4:1 1005 W, X, M, Y 750 Volt Amps 20 Lbs. 3

Transformer Brackets 
Catalog Number Top Hat Mounting Bracket Material Figure
ALD-12A 1 Position “Top Hat” Mounting Bracket 1/4” x 3” Aluminum 1
ALD-14A 2 Position “Top Hat” Mounting Bracket 1/4” x 3” Aluminum 1
ALD-21A 3 Position “Top Hat” Mounting Bracket 1/4” x 3” Aluminum 1
ALD-28A 4 Position “Top Hat” Mounting Bracket 1/4” x 3” Aluminum 1
ALD-34A 5 Position “Top Hat” Mounting Bracket 1/4” x 3” Aluminum 1
Catalog Number Channel Mounting Bracket Material Figure
ALC-10A 1 Position “Channel” Mounting Bracket 1/8” ” Aluminum 2
ALC-20A 2 Position “Channel” Mounting Bracket 1/8” ” Aluminum 2
ALC-27A 3 Position “Channel” Mounting Bracket 1/8” ” Aluminum 2
ALC-33A 4 Position “Channel” Mounting Bracket 1/8” ” Aluminum 2
ALC-40A 5 Position “Channel” Mounting Bracket 1/8” ” Aluminum 2
Catalog Number Angle Mounting Bracket Material Figure
ALT-16A 3 Position "Angle" Mounting Bracket Aluminum 3
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