ABB 2CDS634031R0164 BMS314C16 4P 16A 3kA C-Curve 400V AC Miniature Circuit Breaker

The ABB BMS314C16 miniature circuit breaker (SKU: 2CDS634031R0164) is a 4-pole, 16 A, C-curve MCB from the Basic M BMS series, rated at 400 V AC per IEC 60898-1 and 440 V AC per IEC 60947-2, with a breaking capacity of 3 kA at 400 V AC. Designed for reliable overcurrent and short-circuit protection in residential, commercial, and light industrial control panels, the BMS314C16 delivers dependable performance in a compact 70 × 88 × 69 mm DIN-rail-mount package.

Technical Specifications

Certifications & Standards

• IEC 60898-1: Standard for circuit breakers for overcurrent protection for household and similar installations
• IEC 60947-2: Standard for low-voltage switchgear and controlgear — circuit breakers
• IEC/EN 60664-1: Insulation coordination for equipment within low-voltage supply systems
• CB Certificate (IEC 60898 / IEC 60947): International CB Scheme certification confirming global safety compliance
• IEC/EN 60664: Insulation coordination standard compliance
• EN 60664: European harmonised insulation coordination standard
• CE: Conformité Européenne marking — meets EU safety, health, and environmental requirements
• RoHS: Restriction of Hazardous Substances — compliant with EU Directive 2011/65/EU
• REACH: Compliant with EU Regulation (EC) No 1907/2006 on chemical substance safety
• WEEE: Waste Electrical and Electronic Equipment Directive compliant — supports responsible end-of-life recycling

Applications & Use Cases

• Overcurrent and short-circuit protection in residential distribution boards
• Commercial building electrical panel protection up to 16 A loads
• Light industrial control panels and machinery protection
• Motor branch circuit protection where C-curve inrush tolerance is required
• 4-pole applications requiring simultaneous disconnection of all live conductors including neutral