ABB 2CDS273011R0104 SH203M-C10 3P 10A 10kA Miniature Circuit Breaker

The ABB SH203M-C10 (SKU: 2CDS273011R0104) is a 3-pole miniature circuit breaker (MCB) from the SH200M series, rated at 10 A with a breaking capacity of 10 kA. Designed for reliable overcurrent and short-circuit protection in residential, commercial, and light industrial distribution boards, the SH203M-C10 combines compact dimensions with robust IEC 60898-1 certified performance — making it a trusted choice for engineers and panel builders worldwide.

Technical Specifications

Certifications & Standards

• IEC 60898-1: International standard for household and similar installations — miniature circuit breakers for overcurrent protection
• EN 60898-1: European harmonised standard equivalent to IEC 60898-1 for MCB performance and safety
• IEC/EN 60898-1: Combined IEC and EN designation confirming dual compliance
• IEC 60898: Broader IEC standard family governing miniature circuit breaker requirements
• IEC 60068-2: Environmental testing standard ensuring performance under temperature, humidity, and vibration conditions
• EN 45555: European standard addressing end-of-life and repairability requirements for electronic products
• EN 60664: Insulation coordination standard for equipment within low-voltage systems
• REACH: EU regulation on chemical substances — product compliant with SVHC substance restrictions
• RoHS: EU Restriction of Hazardous Substances directive — free from restricted materials including lead, mercury, and cadmium
• WEEE: Waste Electrical and Electronic Equipment directive compliance for responsible end-of-life recycling

Applications & Use Cases

• Overcurrent and short-circuit protection in residential and commercial distribution boards
• Industrial control panels and machine building applications
• Protection of branch circuits in light industrial installations
• DIN rail mounted switchgear assemblies