The BMS313C40 miniature circuit breaker delivers dependable overload and short-circuit protection for 40 A circuits, ensuring operational safety in residential, commercial, and light industrial applications. As part of the Basic M MCB series, it combines precise tripping accuracy, robust construction, and long-term reliability. Its modular DIN-rail design supports fast installation and space optimization. For full coordination with compatible components, explore our low voltage electrical products developed for professional and efficient power distribution systems.

Key Specifications – Miniature Circuit Breaker BMS313C40

• Rated Current (In): 40 A

• Protection Type: Overload and short-circuit

• Poles: 1P, 2P, 3P, or 4P configurations

• Tripping Characteristics: B, C, or D curve

• Standards: IEC/EN 60898-1 compliant

• Mounting: DIN rail modular housing

• Frequency: 50/60 Hz

Highlights

• Accurate tripping for stable fault protection

• Compact modular body for efficient space use

• Easy and secure DIN-rail mounting

• High mechanical and electrical durability

• Suitable for residential, commercial, and industrial installations

Typical Uses

• Lighting and socket circuits

• Distribution boards and sub-panels

• HVAC, control, and automation systems

• Auxiliary and secondary load protection

Installation & Support

Delivered factory-tested and ready for installation.

• Clear terminal markings for secure wiring

• Technical documentation and support available on request