ABB 2CDS213001R0065 SH203-B6 3P 6A 6kA Curve-B 230/400V AC Miniature Circuit Breaker

The ABB SH203-B6 miniature circuit breaker (MCB), catalog number SH203-B6 (SKU: 2CDS213001R0065), is a 3-pole, 6 A, Curve-B device rated at 230/400 V AC with a breaking capacity of 6 kA, designed for overcurrent protection in residential, commercial, and light industrial control panel applications. Part of ABB's trusted SH200 series, the SH203-B6 delivers reliable short-circuit and overload protection in a compact 52.5 × 85 × 69 mm DIN-rail-mount enclosure weighing just 0.306 kg.

Technical Specifications

Certifications & Standards

• IEC/EN 60898-1: International and European standard for household and similar circuit breakers for overcurrent protection
• IEC 60898-1: IEC standard governing performance requirements for circuit breakers
• EN 60898-1: European harmonised standard for miniature circuit breakers
• IEC/EN60898-1: Combined IEC/EN designation confirming dual-standard compliance
• IEC 60898: Base IEC standard for circuit breaker design and testing
• EN60898-1: European implementation of the overcurrent circuit breaker standard
• IEC 60068-2: Environmental testing standard covering temperature, humidity and mechanical stress
• EN60664: Insulation coordination standard for low-voltage equipment
• EN45555: General standard for energy-related products regarding resource efficiency
• EN45555-92: Specific annex/clause of EN45555 resource efficiency requirements
• SNI: Indonesian national standard (Standar Nasional Indonesia) compliance
• REACH: EU Regulation (EC) No 1907/2006 — restriction of hazardous chemical substances
• RoHS: EU Directive 2011/65/EU — restriction of hazardous substances in electrical equipment
• WEEE: EU Directive 2012/19/EU — waste electrical and electronic equipment compliance

Applications & Use Cases

• Overcurrent and short-circuit protection in residential distribution boards
• Commercial building electrical panel protection
• Light industrial control panels and machinery circuits
• Branch circuit protection in 3-phase 400 V AC systems
• Protection of lighting, heating, and small motor circuits where Curve-B sensitivity is required