ABB 2CDS213103R0404 SH203-C40NA 3P+N 40A 6kA C-Curve 230/400V AC Miniature Circuit Breaker

The ABB SH203-C40NA miniature circuit breaker (SKU: 2CDS213103R0404) is a 3P+N, 40 A, C-curve MCB rated at 230/400 V AC with a 6 kA breaking capacity, designed for reliable overcurrent and short-circuit protection in residential, commercial, and light industrial distribution boards. Part of the ABB SH200 series, the SH203-C40NA delivers compact, dependable protection in a 70 mm × 85 mm × 69 mm footprint weighing just 0.43 kg.

Technical Specifications

Certifications & Standards

• IEC/EN 60898-1: International and European standard for household and similar installations — miniature circuit breakers
• IEC 60898-1: IEC standard for circuit breakers for overcurrent protection in household and similar installations
• EN 60898-1: European harmonised standard equivalent to IEC 60898-1
• IEC 60898: General IEC framework standard for circuit breakers
• IEC 60068-2: Environmental testing standard for robustness and reliability
• EN 45555: General methods for the assessment of the lifetime and recyclability of energy-related products
• EN45555-92: Specific clause of EN 45555 covering product lifetime and recyclability criteria
• EN60664: Insulation coordination for equipment within low-voltage supply systems
• REACH: Compliant with EU REACH regulation (EC No 1907/2006) — no restricted substances above threshold
• RoHS: Compliant with EU Restriction of Hazardous Substances Directive 2011/65/EU
• 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 panels and sub-distribution boards
• Light industrial control panels requiring 3P+N protection
• Protection of motor loads and general electrical circuits with C-curve characteristics
• DIN rail mounting in modular enclosures and metering cabinets