GE
Grid Solutions
Model JCS-0C
Indoor/Outdoor Current Transformer
600 V, 10
Application
Designed for indoor service; suitable for operating meters, relays and control devices, on
circuits not exceeding 600 V line-to-line. It may be used on higher voltage circuits with an
insulated conductor; please refer to the Applications Information section of catalog GEP-9186.
kV BIL, 50-4,000 A Window Diameters 2.50”, 4.88”, 5.25”
Regulatory Agency Approvals
UL Recognized File E93779
Weight
(Approximate)
Transformer,Cat No.750X110038 47 lbs
Transformer,Cat No.750X110039-045 34 lbs
Transformer,Cat No.750X110046-072 28 lbs
Optional base plate 1.5 lbs
Reference Drawings
Outline 0121C33697
Insulation Level
0.6 kV; BIL 10 kV full wave
Frequency
50-60 Hz
Notes:
Other window diameters are available for special applications, consult factory. Other ratios are available for special applications, consult factory.
** Non-standard taps 200/400/600/800/1200/1400/1600/1800/2000:5
JCS-0C Dimensions
Construction and Insulation
The core and coil are enclosed in a case molded with GE Valox
thermoplastic polyester resin. This tough material has excellent
electrical and mechanical properties over a wide temperature
range, has low water absorption and is resistant to oil and a
variety of chemicals.
Core and Coils
The core is made from high quality grain oriented silicon steel,
annealed under rigidly controlled factory conditions. The
secondary winding is made of heavy enameled copper wire.
The secondary windings are evenly distributed around the core
for maximum accuracy and resistance to stray fields from
adjacent conductors.
Terminals
Secondary terminals are No. 10-32 brass screws with one flat
washer and one lock washer. Because the transformer is used
primarily in enclosed, switchgear compartments, which cannot
be opened while the transformer is energized, a secondary
shorting device and terminal cover are not provided.
Polarity
Primary and secondary polarity marks H1 and X1 are marked on
the face of the transformer.
Primary Conductor
A bus or insulated cable forms the primary winding.
Nameplates
The nameplate is a polyester label attached to the face of the
transformer.
Baseplate and Mounting
The transformer can be mounted in any position. The base plate
is made of heavy steel plate. It is attached to the transformer
with two bolts. If the base plate is not used, the 3/8-16 tapped
holes in the bottom surface are used for mounting.
Maintenance
These transformers require no maintenance, other than
occasional cleaning, if installed where air contamination is severe.
Grid-AIS-L4-ITI_Model_JCS_OC-1402-2017_07-EN. © Copyright 2017. General Electric Company
and Instrument Transformers LLC reserve the right to change specifications of described
products at any time without notice and without obligation to notify any person of such changes.
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