ABB 2CDS632031R0064 BMS312C06 2P 6A 3kA C-Curve 400V AC Miniature Circuit Breaker

The ABB BMS312C06 miniature circuit breaker (MCB), catalog number BMS312C06 (SKU: 2CDS632031R0064), is a compact 2-pole, 6 A, C-curve device from the Basic M BMS series, rated at 400 V AC per IEC 60898-1 and 440 V AC per IEC 60947-2. Delivering a breaking capacity of 3 kA at 400 V AC, it provides reliable overcurrent and short-circuit protection for residential, commercial, and light industrial distribution boards and control panels.

Technical Specifications

Certifications & Standards

• IEC 60898-1: Miniature circuit breakers for household and similar installations
• IEC 60947-2: Low-voltage switchgear — circuit breakers for industrial applications
• IEC/EN 60664-1: Insulation coordination for equipment within low-voltage systems
• CE: Compliant with EU machinery and low-voltage directives
• RoHS: Compliant with EU Directive 2011/65/EU and Amendment 2015/863 — restriction of hazardous substances
• REACH: Compliant with EU REACH regulation on chemical substances
• WEEE: Compliant with EU Waste Electrical and Electronic Equipment Directive

Applications & Use Cases

• Overcurrent and short-circuit protection in residential and commercial distribution boards
• Industrial control panels and machine automation cabinets
• Light commercial HVAC and building services circuits
• Protection of branch circuits in low-voltage switchgear assemblies
• DIN rail mounting in compact enclosures where 35 mm width per 2 poles is required