The BMS314C40 miniature circuit breaker delivers reliable protection for 40 A circuits in residential, commercial, and light industrial applications. Designed as part of the robust Basic M MCB series, it ensures accurate tripping, operational stability, and easy installation. Its 4-pole configuration with C-curve characteristics offers dependable protection for multi-phase systems. For comprehensive low-voltage solutions and coordinated safety components, explore our low voltage electrical products engineered for efficient and professional electrical installations.

Key Specifications – Miniature Circuit Breaker BMS314C40

• Rated Current (In): 40 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

• Precise tripping ensures reliable circuit protection

• 4-pole configuration supports three-phase and neutral protection

• Compact modular design for optimized space usage

• Easy DIN-rail installation with labeled terminals

• Long mechanical and electrical endurance for extended reliability

Typical Uses

• Multi-phase power and lighting distribution

• Residential and commercial switchboards

• HVAC and control systems

• Industrial auxiliary circuits and automation panels

Installation & Support

Factory-tested for quality and ready for quick installation.

• Clear marking for safe wiring and configuration

• Technical documentation and post-installation support available upon request