Residual current circuit breaker 5SM3 16A 1P+N 30mA 230V

**Residual Current Circuit Breaker (RCCB) – Siemens Model 5SM3311-6**

 

The Siemens 5SM3311-6 RCCB is a residual current-operated circuit breaker with a two-pole configuration, providing efficient and reliable protection against electrical faults caused by leakage currents. This Type A RCCB is specifically engineered to detect sinusoidal AC currents as well as pulsating DC leakage currents, ensuring comprehensive safety in various industrial and commercial electrical installations. It operates at a nominal current rating (In) of 16 A with a residual current sensitivity threshold of 30 mA. Its voltage compatibility extends to an operating range of 230 V AC.

 

The compact physical dimensions of the device (95 x 21 x 83 mm) facilitate easy integration into space-constrained panels or distribution boards, while its net weight of approximately 0.249 kg makes it lightweight yet robust for handling during installation or maintenance. Manufactured according to stringent industry standards, this product delivers dependable fault detection capabilities critical for personnel and equipment protection in environments such as manufacturing facilities, data centers, and residential power systems.

 

Designed under product class D—customized solutions requiring specific engineering services—the unit is tailored for specialized applications which demand precision performance aligned with custom specifications provided by customers or projects requiring unique system configurations. With lifecycle consulting available through successor models like the Siemens 5SV3311-6, users benefit from ongoing compatibility within evolving technological frameworks.