Eaton IZM97 Instruction Manual page 97

Ground fault residual, 3 pole, 4 pole (IZM99 4000-6300A)
N2 N1
External
Neutral
Sensor
External
Neutral
Sensor
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 IZM99 circuit breakers, with serial connection to 11&12
New generation IZM97, 99 low voltage air circuit breaker instruction manual MN013010EN February 2020 www.eaton.com.cn
11 N1
12 N2
IZM series circuit breaker
Section 7: Wiring diagrams
PXR
93