Crompton 780-251 _ Current Transformer , Current Ratio - 250:5, Relay - C20

APPLICATION:
Relaying and Metering

FREQUENCY:
50-400 Hz.

INSULATION LEVEL:
600 Volts. 10 kV BIL. full wave

CONTINUOUS THERMAL RATING FACTOR:
50:5 thru 1200:5 2.0 at 30°C amb, 1.5 at 55°C amb, 1500:5 thru 4000:5 1.5 at 30ºC amb., 1.33 at 55ºC amb.

WINDOW DIAMETER:
6.50

APPROXIMATE WEIGHT:
30 lbs.

CONNECTIONS:
-Secondary terminals are No. 10-32 brass screws with one flat washer, lockwasher and regular nut.

Specifications:

• Catalog Number: 780-251
• Current Ratio: 250:5
• Relay: C20
• Weight in lbs: 30
• Model: 780
• Window Size: 6.5
• Width: 9.88
• Height: 9.88
• Depth: 3.38

Specifications Sheet:

• Datasheet.pdf