ABB 2CDS213001R0505 SH203-B50 3P 50A 6kA 400V DIN Rail Miniature Circuit Breaker

The ABB SH203-B50 (SKU: 2CDS213001R0505) is a 3-pole miniature circuit breaker (MCB) rated at 50A, 400V with a breaking capacity of 6kA, designed for reliable overcurrent and short-circuit protection in residential, commercial, and light industrial control panel applications. Part of the ABB SH200 series, it mounts on standard DIN rail per DIN 43880 and delivers consistent protection performance in compliance with IEC 60898-1.

Technical Specifications

Certifications & Standards

• IEC 60898-1: International standard for circuit breakers for overcurrent protection in household and similar installations
• EN 60898-1: European harmonised standard equivalent to IEC 60898-1
• IEC/EN 60898-1: Combined IEC and EN compliance designation
• IEC 60898: Base IEC standard series for household and similar circuit breakers
• IEC 60068-2: Environmental testing standard for robustness and reliability
• EN 45555: General methods for the assessment of the lifetime of energy-related products
• EN 60664: Insulation coordination for equipment within low-voltage systems
• RoHS: Restriction of Hazardous Substances — compliant with EU Directive 2011/65/EU
• REACH: Registration, Evaluation, Authorisation and Restriction of Chemicals — EU REACH compliant
• WEEE: Waste Electrical and Electronic Equipment Directive — compliant with EU Directive 2012/19/EU
• SNI: Indonesian National Standard (Standar Nasional Indonesia) certification

Applications & Use Cases

• Overcurrent and short-circuit protection in residential distribution boards
• Commercial building electrical panel protection up to 50A three-phase loads
• Light industrial control panel circuit protection
• Protection of three-phase motors and electrical equipment with B-characteristic tripping
• Distribution boards requiring compact DIN rail mounting per DIN 43880