Square D 273 Split Core Current Transformer

Manufacturer: Schneider

Rating Factor 30 °C Ambient Temp. = 1.33

Models 273R--302 and -402 Rating Factor 30 °C 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.

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Features Applications Model

Model 270R features a split core design for easy installation over an existing bus or cable conductor.
Window length or width may be increased or decreased as an option.
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.
Mounting brackets provided with transformer.
Frequency: 60 Hz (Model 270R and 273).
Insulation: 10 kV BIL full wave (600 volt class).
Applicable Standard – ANSI C57.13.
UL and CUL recognized per Classification XODW2.

Designed for load surveying and current measurement on non-revenue metering and energy management

Mfr. Part No.	Description
273-201	Current Rating q (Amperes), 200:5
273-251	Current Rating q (Amperes), 250:5
273-301	Current Rating q (Amperes), 300:5
273-401	Current Rating q (Amperes), 400:5
273-501	Current Rating q (Amperes), 500:5
273-601	Current Rating q (Amperes), 600:5
273-801	Current Rating q (Amperes), 800:5
273-102	Current Rating q (Amperes), 1000:5
273-122	Current Rating q (Amperes), 1200:5
273-162	Current Rating q (Amperes), 1600:5
273-202	Current Rating q (Amperes), 2000:5
273-252	Current Rating q (Amperes), 2500:5
273-302	Current Rating q (Amperes), 3000:5
273-402	Current Rating q (Amperes), 4000:5

Square D 273 Split Core Current Transformer

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