Siemens xEffect Miniature Circuit Breaker 3-Pole 50A Type B 415V AC 10 kA Breaking Capacity 278852 FAZ-B50/3

Eaton 278852 FAZ-B50/3 Miniature Circuit Breaker is a high-quality 3-pole electrical protection device designed for use in 415V AC installations with a 50A current rating and a Type B tripping characteristic. Its thermal-magnetic tripping mechanism ensures reliable and swift protection against overloads and short circuits in various commercial and industrial applications.

This miniature circuit breaker from the xEffect series features a compact form factor measuring 85mm in width and 73mm in depth, making it suitable for standard DIN rail mounting in control panels. The device’s twin-purpose terminal design simplifies wiring and enhances connection reliability while maintaining ease of maintenance.

With an IP20 rating, the MCB provides protection against fingers and solid objects larger than 12mm, making it ideal for indoor electrical installations. The maximum breaking capacity of 10 kA allows the breaker to safely interrupt high fault currents, protecting downstream electrical equipment and wiring from damage.

The instantaneous break time and toggle switch reset actuator facilitate rapid disconnection and manual resetting, making the MCB efficient in both safety and maintenance operations. This device is suited for control circuits requiring supplementary protection, lighting system protection in commercial settings, and safeguarding business equipment and domestic appliances.

Type B thermal-magnetic tripping characteristic for effective overload and short circuit protection. Maximum breaking capacity of 10 kA enhances system safety during fault conditions. Compact and standardized dimensions ensure compatibility with DIN rail mounting systems.

Twin-purpose terminals enable reliable and secure electrical connections. IP20 rated enclosure for protection against accidental contact and solid objects. Instantaneous break time for immediate fault interruption. Durable toggle switch actuator for ease of use and resilience.

Applicable in industrial, commercial, and residential electrical safety systems.

This Eaton xEffect Miniature Circuit Breaker is engineered to provide dependable circuit protection and efficient control panel integration. Its robust construction, combined with reliable electrical features, makes it a preferred choice for electrical installations seeking high safety and performance standards.

Explore more from the Eaton brand and find advanced circuit protection solutions at EnvMart to ensure secure and efficient electrical system management.