ABB 2CDS213001R0504 SH203-C50 3P 50A 6kA C-Curve DIN Rail Miniature Circuit Breaker

The ABB SH203-C50 miniature circuit breaker (MCB), catalog number SH203-C50 (SKU: 2CDS213001R0504), is a 3-pole, 50A, 6kA breaking capacity C-curve MCB from the SH200 series, designed for reliable overload and short-circuit protection in residential, commercial, and light industrial distribution boards. DIN rail mounted per DIN 43880, the SH203-C50 delivers consistent performance in compact control panel installations.

Technical Specifications

Certifications & Standards

• IEC 60898-1 / EN 60898-1: Primary MCB design and performance standard for household and similar installations
• IEC 60898: International standard for electrical accessories — circuit breakers for overcurrent protection
• IEC 60068-2: Environmental testing standard for durability and reliability
• EN 60664: Insulation coordination for equipment within low-voltage systems
• EN 45555: General methods for the assessment of the ability of energy-related products to be repaired, reused, or recycled
• RoHS: Compliant with EU Restriction of Hazardous Substances Directive
• REACH: Compliant with EU REACH chemical safety regulation
• WEEE: Registered under Waste Electrical and Electronic Equipment Directive
• SNI: Certified to Indonesian National Standard (Standar Nasional Indonesia)

Applications & Use Cases

• Overload and short-circuit protection in residential and commercial distribution boards
• Motor branch circuit protection (C-curve suitable for moderate inrush currents)
• Light industrial control panels and automation enclosures
• Three-phase electrical sub-distribution systems
• DIN rail assemblies in compact switchgear panels