ABB SMISSLINE TP S400M Miniature Circuit Breaker 1-Pole 6A Type B 400V AC/250V DC 10kA DIN Rail 2CCS571001R0065 - S401MB63

The ABB SMISSLINE TP S400M Miniature Circuit Breaker with model 2CCS571001R0065 - S401MB63 is a reliable, compact solution for protecting electrical distribution systems in residential, commercial, and industrial settings. Featuring a single-pole configuration and a current rating of 6A, this circuit breaker ensures precise overload and short circuit protection for sensitive circuits.

Its Type B tripping characteristic delivers balanced safety, allowing timely response to electrical faults by disconnecting faulty circuits. The breaker is engineered to handle both 400V AC and 250V DC applications, making it suitable for lighting systems, appliance protection, and mixed voltage requirements commonly found in modern electrical installations.

Installation is streamlined with DIN rail mounting, enabling quick integration into panel systems and switchboards. The thermal tripping mechanism ensures efficient operation and minimizes equipment damage, providing reliable system performance over repeated cycles. Secure screw terminal connections further enhance the stability of wiring, reducing maintenance requirements.

The device’s sturdy, space-saving build includes a compact 18mm width and a depth of 75mm, facilitating placement in confined panels without sacrificing output or safety. With a breaking capacity of 10kA, this miniature circuit breaker offers robust protection in environments with substantial fault-current risks, supporting uninterrupted operation and personnel safety.

Compliance with international standards EN 60898-1 and IEC/EN 60947-2 confirms the breaker’s suitability for global use and adherence to high safety expectations. The toggle switch actuator allows for easy reset and manual operation when needed. Designed as part of the SMISSLINE TP S400M Series, it benefits from ABB’s reputation for quality and reliability.

Applications for this ABB MCB include protecting household wiring circuits, lighting systems, appliances, and small industrial equipment against overload and short circuit. It especially serves environments requiring a single-pole, 6A protection level, with the flexibility to handle both AC and DC supply voltages.

Browse ABB’s full range of Miniature Circuit Breakers on EnvMart to compare advanced safety solutions and select the right device for panel installations across industrial, laboratory, and commercial spaces.