ABB 2CDS652061R0404 BMS612C40 2P 40A 6kA 400V AC C-Curve DIN Rail Miniature Circuit Breaker

The ABB BMS612C40 miniature circuit breaker (SKU: 2CDS652061R0404) is a 2-pole, 40 A, C-curve MCB from the ABB Basic M BMS series, rated at 400 V AC with a breaking capacity of 6 kA per IEC 60898-1. Designed for DIN rail installation, the BMS612C40 provides reliable overcurrent and short-circuit protection in residential, commercial, and light-industrial distribution boards.

Technical Specifications

Certifications & Standards

• IEC 60898-1: Household and similar installations — circuit breakers for overcurrent protection
• IEC 60898: General series standard for miniature circuit breakers
• IEC 60947-2: Low-voltage switchgear — circuit breakers (industrial grade)
• IEC/EN 60664-1: Insulation coordination for equipment within low-voltage systems
• IEC/EN 60664: General insulation coordination standard for low-voltage systems
• EN 60664: European harmonised insulation coordination standard
• RoHS: Restriction of Hazardous Substances — compliant with EU Directive 2011/65/EU
• REACH: Registration, Evaluation, Authorisation and Restriction of Chemicals — EU compliant
• TSCA: Toxic Substances Control Act — US chemical compliance
• WEEE: Waste Electrical and Electronic Equipment Directive — EU compliant for end-of-life recycling

Applications & Use Cases

• Final circuit protection in residential and commercial distribution boards
• Branch circuit protection in light-industrial control panels
• DIN rail-mounted switchgear assemblies requiring IEC 60898-1 compliance
• Machine-building and OEM panel wiring where 2-pole 40 A C-curve protection is specified
• Building automation and HVAC control panel circuits