Instrument Transformer, Div of GE JAK-0C, JAK-AC Catalog Page
JAK-AC DATA TABLE
Current Ratio
(Amps)
Pri : Sec
Continuous Thermal
Current Rating Factor
Max.
Burden
for 0.15
Accuracy
Electronic
Burdens
Catalog Number
@ 30oC
Amb.
@ 55oC
Amb.
E0.04 E0.2 No Base Low Base Wide Base High Base
Window-Type, Single Ratio
400:5 3.0 2.2 B0.1 -- -- 750X133567 750X133575
500:5 2.0 1.5 B0.2 -- -- 750X133568 750X133576 750X133XXX
600:5 1.5 1.1 B0.2 -- -- 750X133569 750X133577 750X133XXX
800:5 1.5 1.1 B0.2 -- -- 750X133570 750X133578 750X133XXX
1200:5 1.5 1.1 B0.5 0.15 0.15 750X133571 750X133579 750X133XXX
1500:5 1.5 1.1 B0.5 0.15 0.15 750X133572 750X133580 750X133XXX
2000:5 1.0 0.7 B0.5 0.15 0.15 750X133573 750X133581 750X133XXX
3000:5 1.0 0.7 B0.5 0.15 0.15 750X133574 750X133582 750X133XXX
Primary Bar-Type, Single Ratio
400:5 3.0 2.2 B0.1 -- -- 750X133583 750X133591 750X133XXX 750X133XXX
500:5 2.0 1.5 B0.2 -- -- 750X133584 750X133592 750X133XXX 750X133XXX
600:5 1.5 1.1 B0.2 -- -- 750X133585 750X133593 750X133XXX 750X133XXX
800:5 1.5 1.1 B0.2 -- -- 750X133586 750X133594 750X133XXX 750X133XXX
1200:5 1.5 1.1 B0.5 0.15 0.15 750X133587 750X133595 750X133XXX 750X133XXX
1500:5 1.5 1.1 B0.5 0.15 0.15 750X133588 750X133596 750X133XXX 750X133XXX
2000:5 1.0 0.7 B0.5 0.15 0.15 750X133589 750X133597 750X133XXX 750X133XXX
3000:5 1.0 0.7 B0.5 0.15 0.15 750X133590 750X133598 750X133XXX 750X133XXX
Model JAK-AC (High Accuracy) Window: 3.06”
600 Volt Current Transformer
APPLICATION
Designed for both indoor and outdoor service. Suitable for
operating meters and instruments, on both single phase
two-wire circuits and polyphase circuits. The window type
transformer can also be used on three-wire single-phase circuits.
For use on higher voltage circuits with an insulated primary
conductor.
WEIGHT (approximate)
Window-Type Transformer ..........12 lbs
Primary Bar-Type Transformers ..........15 lbs
Low Base, add ..........0.7 lbs
High Base, add ..........1.0 lbs
DIMENSIONS
Height ......7.184” w/low baseplate
Width ......5.625” w/low baseplate
Depth ......2.625” , 4.20”, 5.0”
REFERENCE DRAWINGS
Outline ......0121C33607
Bus Bar Assembly (400-800:5) ......0821C34762-4
Bus Bar Assembly (1000-3000:5) ......1521C37743
Model JAK-0C Window: 1.50”, 2.60”, 3.06”
Dimensions do not include baseplates
JAK-0C DATA TABLE
Current
Ratio
(Amps)
Pri : Sec
Continuous
Thermal
Current Rating
Factor
Win
I.D.” Burden
Catalog Number
11.88” Primary
Bar Assembly
@ 30oC
Amb.
@ 55oC
Amb.
No Base Low Base Wide Base High Base
Window-Type, Single Ratio
100:5 4.0 4.0 1.50 B0.2 750X133635 750X133645 750X133637 750X133638 0821C34762-7
**100:5 4.0 4.0 2.60 B0.1 750X133673 750X133636 750X133674 750X133675 0821C34762-1
200:5 4.0 4.0 2.60 B0.5 750X133301 750X133311 750X133351 750X133321 0821C34762-5
200:5 4.0 2.9 2.60 B0.2 750X133976 750X133977 750X133978 750X133979 0821C34762-5
200:5 4.0 2.9 3.062 B0.1 750X133972 750X133973 750X133974 750X133975 0821C34762-5
**300:5 4.0 2.9 3.062 B0.5 750X133302 750X133312 750X133352 750X133322 0821C34762-9
400:5 4.0 2.9 3.062 B0.5 750X133303 750X133313 750X133353 750X133323 0821C34762-4
500:5 3.0 2.4 3.062 B0.5 750X133304 750X133314 750X133354 750X133324 0821C34762-4
600:5 2.0 1.8 3.062 B0.5 750X133305 750X133315 750X133355 750X133325 0821C34762-4
800:5 2.0 1.5 3.062 B0.5 750X133306 750X133316 750X133356 750X133326 0821C34762-4
1000:5 2.0 1.5 3.062 B0.5 750X133546 750X133547 750X133548 750X133549 0821C34762-10
1200:5 1.5 1.1 3.062 B1.8 750X133500 750X133501 750X133502 750X133503 0821C34762-10
1500:5 1.5 1.1 3.062 B1.8 750X133504 750X133505 750X133506 750X133507 0821C34762-11
2000:5 1.0 0.7 3.062 B1.8 750X133508 750X133509 750X133510 750X133511 0821C34762-10
3000:5 1.0 0.7 3.062 B1.8 750X133512 750X133513 750X133514 750X133515 0821B38171
Window-Type, Dual Ratio
200/400:5** 2.0/2.0 1.5/1.5 2.60 B0.5 750X133307 750X133317 -- -- 0821C34762-1
300/600:5** 2.0/20 1.5/1.5 3.062 B0.5 750X133308 750X133318 -- -- 0821C34762-9
400/800:5 2.0/2.0 1.5/1.5 3.062 B0.5 750X133309 750X133319 -- -- 0821C34762-2
1000/2000:5 1.5/1.0 1.1/0.7 3.062 B0.5/B1.8 750X133516 750X133517 -- -- 0821C34762-10
1500/3000:5 1.3/1.0 1.0/0.7 3.062 B0.9/B1.8 750X133518 750X133519 -- -- 0821B38171
Primary Bar-Type, Single Ratio
100:5 4.0 4.0 1.50 B0.2 -- 750X133639 -- 750X133640 0821C34762-7
200:5 4.0 4.0 2.60 B0.5 -- 750X133331 -- 750X133341 0821C34762-5
**300:5 4.0 2.9 3.062 B0.5 -- 750X133332 -- 750X133342 0821C34762-9
400:5 4.0 2.9 3.062 B0.5 -- 750X133333 -- 750X133343 0821C34762-4
500:5 3.0 2.4 3.062 B0.5 -- 750X133334 -- 750X133344 0821C34762-4
600:5 2.0 1.8 3.062 B0.5 -- 750X133335 -- 750X133345 0821C34762-4
800:5 2.0 1.5 3.062 B0.5 -- 750X133336 -- 750X133346 0821C34762-4
1000:5 2.0 1.5 3.062 B0.5 -- 750X133550 -- 750X133551 0821C34762-10
1200:5 1.5 1.1 3.062 B1.8 -- 750X133520 -- 750X133521 0821C34762-10
1500:5 1.5 1.1 3.062 B1.8 -- 750X133522 -- 750X133523 0821C34762-11
2000:5 1.0 0.7 3.062 B1.8 -- 750X133524 -- 750X133525 0821C34762-10
3000:5 1.0 0.7 3.062 B1.8 -- 750X133526 -- 750X133527 0821B38171
** Available only in 5” depth, reference outline for all other depths.
ψ 14.5” length also available for 1000-3000:5
APPLICATION
Designed for both indoor and outdoor service. Suitable for
operating meters and instruments, on both single phase
two-wire circuits and polyphase circuits. The window type
transformer can also be used on three-wire single-phase circuits.
For use on higher voltage circuits with an insulated primary
conductor.
IEEE METER ACCURACY CLASS, 60 Hz
0.3% class from B0.1 to the burdens shown in the table.
WEIGHT (approximate)
Window-Type Transformer ..........12 lbs
Primary Bar-Type Transformers ..........15 lbs
Low Base, add ..........0.7 lbs
High Base, add ..........1.0 lbs
DIMENSIONS
Height ......6.86” w/low baseplate
Width ......5.13” w/low baseplate
Depth ......4.20”, 5.0”
REFERENCE DRAWINGS
Outline (100-800:5) (Pri Bar) ...........................0121C38912
Outline (1000-2000:5) ...........................0121C36235
Outline (3000:5) ...........................0121C39069
Outline (100-800:5) ............................0121C33607
Outline (dual ratio) ............................0121C34087
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