Crompton 561-251 Current Transformer , Current Ratio - 250:5

APPLICATION:
Relaying and Metering

FREQUENCY:
50-400 Hz.

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

CONTINUOUS THERMAL RATING FACTOR:
1.33 at 30°C amb., 1.0 at 55°C amb.

INSULATION SYSTEM:
Temperature Class H (180°C.)

WINDOW DIAMETER:
3.25” x 4.25”

APPROXIMATE WEIGHT:
8 lbs.

CONNECTIONS:
Secondary terminals are No. 10-32 brass studs with one flat

General Specification

• Model: 561
• Window Size: 3.25 x 4.25
• Width: 5.75
• Height: 6.88
• Depth: 2.88

Main Specification:

• Catalog Number: 561-251
• Current Ratio: 250:5
• Relay Class: C20
• Weight in lbs: 8
• Window Diameter : 3.25” x 4.25”