
GE
Approved for revenue metering by Industry Canada No. AE-0645(*)
Grid Solutions
Model 687
Current Transformer
Window Diameter 7.62”
Application
Relaying and metering.
Frequency
50-400 Hz.
Insulation Level
0.6 kV, BIL 10 kV full wave.
Continuous Thermal Current
Rating Factor
50:5 thru 2,000:5: 2.0 at 30 °C. amb.,
1.5 at 55 °C. amb.
2,500:5 thru 3,500:5: 1.33 at 30 °C. amb.,
1.0 at 55 °C. amb.
4,000:5: 1.0 at at 30 °C. amb.,
0.75 at 55 °C. amb.
Secondary terminals are brass screws
No. 10-32 with one flatwasher and
lockwasher.
Multi-ratios available on request.
Consult Factory.
Approximate weight 55 lbs
REGULATORY AGENCY APPROVALS
CANADIANC
Manufactured to meet the requirements of ANSI/IEEE C57.13.
Classified by U.L. in accordance with IEC 44-1
C
CC

Model 687
Grid-AIS-L4-ITI_Model_687-1362-2017_08-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.