The IER-100H series of residual current circuit breakers is a high-quality leakage protection product of MAXGE designed in strict accordance with IEC 61008-1 standard. As a mainstream model in this series, the IER-100H adopts optimized electromagnetic system and high-torque terminals to enhance operation stability, extend product service life, and provide reliable comprehensive protection for power distribution circuits.
The residual current circuit breaker is mainly suitable for terminal power distribution circuits with AC 50Hz, rated voltage up to 415V, rated current up to 100A, and rated residual operating current from 10mA to 300mA, providing overload, short‑circuit and residual current leakage protection for the circuit. It adopts modular design, and has the characteristics of exquisite appearance, reliable performance, fast breaking speed and strong anti‑interference ability.
The circuit breaker should be checked regularly during operation. After the circuit breaker breaks the fault current, the fault should be eliminated first. When the circuit breaker is restored to open and close the circuit, the load should be disconnected first, and then the circuit breaker should be closed/opened. The circuit breaker should select the appropriate current specification, residual current sensitivity and copper wire cross‑sectional area according to the load power and application scenario.
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