ABB 2CDS631031R0164 BMS311C16 1P 16A 3kA Curve-C Basic M BMS Miniature Circuit Breaker

The ABB BMS311C16 miniature circuit breaker (MCB), SKU 2CDS631031R0164, is a 1-pole, 16A, Curve-C device from the Basic M BMS series, delivering 3 kA breaking capacity at 230V AC per IEC 60898-1. Compact at just 17.5 mm wide, it is engineered for overcurrent and short-circuit protection in residential, commercial, and light industrial distribution boards. The BMS311C16 combines reliable trip performance with low power dissipation of 2.5 W, making it an efficient choice for space-constrained control panels.

Technical Specifications

Certifications & Standards

• IEC 60898-1: Miniature circuit breakers for household and similar installations
• IEC 60947-2: Low-voltage switchgear and controlgear — circuit breakers
• IEC/EN 60664-1: Insulation coordination for equipment within low-voltage systems
• IEC/EN 60664: Insulation coordination for low-voltage equipment
• EN 60664: European standard for insulation coordination
• RoHS: Restriction of Hazardous Substances — compliant
• REACH: EU chemical safety regulation — compliant
• TSCA: Toxic Substances Control Act — compliant
• WEEE: Waste Electrical and Electronic Equipment directive — compliant