Model 680 Current Transformer

APPLICATION: Relaying and Metering.
FREQUENCY: 50-400 Hz.
INSULATION LEVEL: 0.6 kV, BIL 10 kV full wave.
CONTINUOUS THERMAL CURRENT RATING FACTOR:
50:5-2000:5: 2.0 at 30oC. amb., 1.5 at 55oC. amb.
2500:5-4000:5: 1.33 at 30oC. amb., 1.0 at 55oC. amb.
5000:5: 1.0 at 30oC. amb., 0.8 at 55oC. amb.

Secondary terminals are brass screws No. 10-32 with one flatwasher, lockwasher, accessible from either side.
Approximate weight 34 lbs.
Window Diameter 7.02"