Square D 66R Torroidal Current Transformer

Manufacturer: Schneider

Rating Factor 30 C Ambient Temp. = 1.33, Rating Factor 55 Ambient Temp. = 1.0

Ratios are based on one primary turn, with user-applied primary conductor. Refer to page 52 for other ratios using multiple primary turns or secondary turns.

Features Applications Model

Permanent polarity marks molded into the case.
Large, easy-to-read ratios are clearly marked on the case.
Secondary terminals are #10-32 brass screws and include flat washers and bronze lockwashers for easy installation.
Optional mounting brackets are shipped unassembled.
Frequency: 25-400 Hz
Insulation: 10 kV BIL Full Wave (600 Volt class)
Applicable Standard—ANSI C57.13.
UL and CUL recognized per Classification XODW2.

Designed for metering and control relaying

Mfr. Part No.	Description
66R-101	Current Rating (Amperes), 100:5
66R-151	Current Rating (Amperes), 150:5
66R-201	Current Rating (Amperes), 200:5
66R-251	Current Rating (Amperes), 250:5
66R-301	Current Rating (Amperes), 300:5
66R-401	Current Rating (Amperes), 400:5
66R-501	Current Rating (Amperes), 500:5
66R-601	Current Rating (Amperes), 600:5
66R-751	Current Rating (Amperes), 750:5

Square D 66R Torroidal Current Transformer

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