Description

The BMS311C20 miniature circuit breaker provides reliable overload and short-circuit protection for residential, commercial, and light industrial installations. Part of the trusted Basic M MCB series, it ensures stable operation and long-term durability in low-voltage panels. Its compact modular design makes installation fast and efficient. For full coordination and compatible low-voltage components, explore our low voltage electrical products tailored for professional-grade protection systems.

Key Specifications – Miniature Circuit Breaker BMS311C20

• Rated Current (In): 20 A

• Protection Type: Overload and short-circuit

• Poles: Available in 1P, 2P, 3P, and 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

• Fast-acting tripping mechanism for circuit protection

• Space-saving modular structure for compact enclosures

• Easy DIN-rail installation and removal

• High reliability under variable operating conditions

• Designed for modern residential and commercial distribution systems

Typical Uses

• Lighting and socket circuits

• Residential and commercial distribution panels

• HVAC and control systems

• Auxiliary and secondary load protection

Installation & Support

Delivered ready for installation with clear marking and standardized terminal design.

• Quick mounting and wiring for faster setup

• Technical documentation and after-sales support available on request