Siemens Residual Current Circuit Breaker with Overload Protection, 40A, 2-Pole, 30mA, Type A, DIN Rail, 230V 5SU1356-7KK40

The Siemens 5SU1356-7KK40 Residual Current Circuit Breaker with Overload Protection is an advanced RCBO device designed for safety and reliability in electrical distribution systems. With a 40A current rating and 2-pole configuration, it offers dual protection against overload and earth leakage faults, ensuring personnel and property safety in a wide range of applications.

This RCBO features a 30mA trip sensitivity, making it suitable for critical areas where enhanced protection is required. The specialized Type A earth leakage protection ensures that both sinusoidal AC and pulsating DC currents are detected, covering a broad spectrum of potential electrical hazards.

Designed for DIN rail mounting, the device integrates seamlessly into modular industrial, commercial, and residential electrical panels. The SENTRON range technology provides extended product life and robust performance, while the 6kA breaking capacity supports safe operation even in demanding environments.

Additional features include a toggle switch reset actuator, large and accessible wiring space for straightforward conductor insertion, and clear busbar connectivity for simplified maintenance. The screw terminal type allows secure and reliable cable connection while simplifying installation.

Conforming to IEC 60947-2 and EN 60898 standards, the Siemens RCBO delivers proven circuit protection and safety compliance. The compact design not only facilitates easy panel integration but also enables retrofitting with various miniature circuit breaker components as needed.

Offers both overload and earth leakage protection for comprehensive electrical safety. Rated for 40A, suitable for a range of installation sizes and loads. 2-pole configuration is ideal for single-phase systems in multiple environments.

30mA trip sensitivity is optimal for fire, personnel, and equipment protection. DIN rail mounting ensures quick and secure installation in panel boards. Advanced Type A earth leakage detection covers a wider range of fault currents.

Reset actuator toggle switch enables easy operation and safety restoration. Compact SENTRON range construction with 6kA breaking capacity for robust performance. Meets relevant IEC and EN standards for circuit breakers. Suitable for industrial, commercial, and residential electrical protection applications.

Browse more Siemens circuit breakers and RCBOs in EnvMart’s Electronics & Electricals catalogue.