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IZM63 / IN63 low voltage air circuit breaker
MN013014EN May 2021 www.eaton.com.cn
Section 6: Wiring diagrams
Ground fault residual, 3 pole, 4 pole (IZM63 / IN63 5000-6300A)
a
External
Neutral
Sensor
b
External
Neutral
Sensor
IZM series circuit breaker
PXR
11 N1
N1
12 N2
N2
Notes1, 2:
Sensor is customer wired to sense neutral currents. This is required for 3 pole ,4 pole ACB no need to buy the external sensor.
Two external neutral transformers must be purchased for the two N-bars of the IZM63 circuit breakers, with serial connection to 11&12