ABB 2CDS634031R0404 BMS314C40 4P 40A 3kA 400V AC DIN Rail Miniature Circuit Breaker

The ABB BMS314C40 (SKU: 2CDS634031R0404) is a 4-pole miniature circuit breaker (MCB) from the Basic M BMS series, rated at 40 A and 400 V AC with a breaking capacity of 3 kA at 400 V AC. Designed for DIN rail installation in control panels and distribution boards, this compact MCB provides reliable overcurrent and short-circuit protection in industrial and commercial electrical systems. With a Type C trip characteristic and compliance with IEC 60898-1 and IEC 60947-2, the BMS314C40 is an ideal choice for protecting motor branch circuits and general wiring applications.

Technical Specifications

Certifications & Standards

• IEC 60898-1: Household and similar installations — miniature circuit breakers for AC operation
• IEC 60947-2: Low-voltage switchgear and controlgear — circuit breakers for industrial use
• IEC/EN 60664-1: Insulation coordination for equipment within low-voltage systems
• IEC/EN 60664: Insulation coordination for low-voltage equipment
• CE: Conformité Européenne — meets EU safety, health, and environmental requirements
• RoHS: Restriction of Hazardous Substances — compliant with EU Directive 2011/65/EU
• REACH: Registration, Evaluation, Authorisation and Restriction of Chemicals compliance
• WEEE: Waste Electrical and Electronic Equipment Directive compliant