Instrument Transformer, Div of GE JCB-0CC Data Sheet

GE

Grid Solutions

Model JCB-0CC

Indoor Current Transformer, 600 V, 10 kV BIL, 50-6,000 A
Window Diameter 7.25” to 8.125”

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; refer to the Applications Information section of catalog GEP-9186.

Weight

(approximate)
50:5 and 100:5 ratios 60 lbs
400:5 to 600:5 ratios 25 lbs
All others 20 lbs

Reference Drawings

Outline 0121C33807

Insulation Level

0.6 kV; BIL 10 kV full wave

Frequency

50-60 Hz

JCB-0CC Dimensions

Construction and Insulation

The core and coil are encapsulated in cast polyurethane resin.
This material has excellent electrical and mechanical properties
over a wide temperature range and is UV resistant.

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 10-32 brass inserts.

Polarity

Primary and secondary polarity marks are white dots.

Primary Conductor

A bus or insulated cable forms the primary winding.

Nameplates

The nameplate is laser engraved aluminum. It is attached to the
top of the unit and has provision for attaching the user’s
identifying tag. The nominal current rating is marked on both
faces of the unit in large numerals.

Baseplate and Mounting

The transformer can be mounted in any position. An optional
mounting base is available by ordering part number 1321B34149.

Maintenance

These transformers require no maintenance, other than
occasional cleaning, if installed where air contamination is severe.

Grid-AIS-L4-ITI_Model_JCB_0CC-1396-2017_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.