Power switch 3-pole 50A BG1 NZMB1-A50 259076

Power circuit breaker – reliable circuit protection

This three-pole power circuit breaker with a rated current of 50A is a key element of any electrical installation, providing effective protection against overloads and short circuits. Designed for use in industry, commercial and residential construction, it offers robustness and operational safety. Equipped with a thermomagnetic trip unit with adjustment in the range of 40-50A, it allows for precise adaptation to the specifics of the protected circuit.

Functionality and application

This circuit breaker is widely used in protecting electrical circuits powering various loads, such as motors, lighting, sockets and other devices. Its construction allows for both stationary mounting and optional mounting on a TH DIN rail, providing flexibility during installation. Frame terminals facilitate connection of wires, and the lever provides convenient operation. The rated short-circuit breaking capacity at 25kA at 400V guarantees a quick response in the event of a failure.

Key features and benefits

• High short-circuit breaking capacity: 25kA at 400V ensures effective protection of the installation against the effects of short circuits.
• Adjustable overload trip unit: Adjustment range of 40-50A allows adaptation to the load characteristics and optimization of the circuit breaker operation.
• Three-pole design: Provides comprehensive protection for the entire three-phase circuit.
• Possibility of mounting on TH DIN rail: Enables easy integration with existing switchboards.
• Solid construction: Permanently mounted device guarantees durability and reliable operation for a long time.
• Frame terminals: Facilitate and speed up the process of connecting wires.
• Power loss at 13.2W: Means relatively low energy losses during operation of the circuit breaker.
• Protection degree IP20: Provides protection against accidental contact and access to live parts.
• Compliance with IEC/EN 60947-2 standards: Confirms the safety and quality of the product.

The NZMB1-A50 power circuit breaker is a reliable solution for professionals and end-users looking for effective protection of their electrical installations. Its solid construction, precise settings and ease of installation make it an ideal choice for a variety of applications.