Circuit Breaker

YYSM7L RCBO Circuit Breaker 3 Phase Circuit Breaker RCD

The YYSM7L RCBO (residual current circuit breaker with overcurrent protection) is a dual-function safety device integrating residual current and overcurrent protection. As a reliable residual current breaker, it ensures rapid tripping for earth leakage protection and safeguards against overloads/short circuits. This RCBO circuit breaker suits residential/commercial applications, featuring compact design, thermal-magnetic tripping, and compliance with IEC 61008 standards. Ideal for distribution boards, it combines precise earth leakage protection with overcurrent defense for enhanced electrical safety.

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Standard Capacity

Rated Voltage	380V/400V
Number of Poles	3P+N
Rated Current	125A~630A
Rated Frequency	50/60Hz
Breaking Capacity	12KA, 15KA, 20KA

Product Features

Comprehensive Protection:

Integrates overcurrent, surge, and earth leakage protection in one device. Thermal-magnetic tripping ensures precise overload response and short-circuit interruption (6kA breaking capacity).
High Breaking Capacity & Safe Operation:

Boasts 20KA breaking capacity for rapid fault clearance, minimizing arc hazards. Features a finger-safe design with protection and a transparent cover for visual status checks. Manual operation includes clear ON/OFF indicators and trip-free mechanism.
Smart Circuit Breaker Capabilities:

Functions as a smart circuit breaker with real-time fault indication and remote monitoring compatibility (optional modules). Adaptive tripping technology reduces false alarms, while its modular design simplifies integration into IoT-enabled electrical systems for predictive maintenance.