ABB 2CDS631031R0324 BMS311C32 1P 32A 3kA C-Curve DIN Rail Miniature Circuit Breaker

The ABB BMS311C32 miniature circuit breaker (SKU: 2CDS631031R0324) is a 1-pole, 32 A, C-curve MCB from the Basic M BMS series, designed for reliable overcurrent and short-circuit protection in residential, commercial, and light industrial control panels. Rated at 230 V AC per IEC 60898-1 and 440 V AC per IEC 60947-2, the BMS311C32 delivers a breaking capacity of 3 kA and mounts easily on standard DIN rail for quick installation.

Technical Specifications

Certifications & Standards

• IEC 60898-1: Standard for circuit breakers for overcurrent protection in household and similar installations
• IEC 60947-2: Standard for low-voltage switchgear — circuit breakers for industrial applications
• IEC/EN 60664-1: Insulation coordination for equipment within low-voltage systems
• IEC/EN 60664: Insulation coordination for equipment within low-voltage supply systems
• EN 60664: European harmonized insulation coordination standard
• IEC 60898: Circuit breakers for overcurrent protection in household and similar installations
• IEC 60947: Low-voltage switchgear and controlgear general standard
• RoHS: Restriction of Hazardous Substances — compliant with EU Directive 2011/65/EU
• REACH: Compliant with EU Regulation (EC) No 1907/2006 on chemical substances
• WEEE: Compliant with EU Waste Electrical and Electronic Equipment Directive 2012/19/EU

Applications & Use Cases

• Overcurrent and short-circuit protection in residential distribution boards
• Commercial building electrical installations and consumer units
• Light industrial control panels and automation enclosures
• Protection of branch circuits in DIN rail-mounted assemblies
• Machine control panels requiring compact 1-pole MCB protection