The BMS314C50 miniature circuit breaker provides dependable overload and short-circuit protection for 50 A circuits in residential, commercial, and light industrial systems. As part of the ABB Basic M MCB series, it delivers precise tripping, long service life, and a compact, modular design ideal for modern electrical panels. Its 4-pole C-curve configuration ensures optimal fault protection for multi-phase systems. For complete circuit coordination and compatible protective devices, explore our low voltage electrical products designed for safe and efficient installations.

Key Specifications – Miniature Circuit Breaker BMS314C50

• Rated Current (In): 50 A

• Number of Poles: 4P

• Tripping Characteristic: C-curve

• Protection Type: Overload and short-circuit

• Standards: IEC/EN 60898-1 compliant

• Mounting: DIN rail modular housing

• Frequency: 50/60 Hz

• Breaking Capacity: 3 kA

Highlights

• High accuracy tripping for reliable fault protection

• 4-pole configuration for balanced three-phase protection

• Compact modular housing saves panel space

• Easy DIN-rail installation with clear terminal markings

• Long electrical and mechanical endurance

Typical Uses

• Three-phase lighting and power circuits

• Residential and commercial switchboards

• HVAC systems and automation panels

• Control and auxiliary load protection

Installation & Support

Delivered factory-tested and ready for fast integration.

• Safe wiring with labeled terminals and quick DIN-rail mounting

• Technical documentation and after-sales support available on request