Circuit Breaker

YYSM3L RCBO Residual Current Circuit Breaker With Overcurrent Protection

The YYSM3L RCBO circuit breaker is a residual current breaker combining overcurrent and earth leakage protection. As a versatile RCBO circuit breaker, it acts as a smart circuit breaker with intelligent tripping technology, swiftly detecting residual currents and interrupting faults with 5kA breaking capacity. Suited for 220V/230V residential and 380V/400V industrial/commercial systems, this residual current device meets IEC standards, offering compact design, real-time fault indication, and reliable protection for three-phase networks

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Standard Capacity

Rated Voltage	230V/400V
Number of Poles	2P, 3P, 3P+N
Rated Current	12A~100A
Rated Frequency	50/60Hz
Breaking Capacity	3KA, 5KA

Product Features

Integrated Overcurrent, Surge & Earth Leakage Protection:

As a RCBO, it combines thermal-magnetic overcurrent protection with residual current detection, tripping within 0.1s for earth leakage. Its 5kA breaking capacity swiftly interrupts short circuits, while surge protection safeguards against voltage spikes in industrial systems.
Universal Adaptability & Easy Operation:

This residual current breaker fits standard DIN rails for quick installation. Visual fault indicators and modular design simplify maintenance, while its compact size adapts to tight switchboard spaces.
Smart Circuit Breaker Intelligence:

Functioning as a smart circuit breaker, it features adaptive tripping technology to minimize false alarms. Optional communication modules enable remote monitoring of fault status, integrating with building management systems for predictive maintenance and energy efficiency.