ABB 2CSR255080R1404 DS201 C40 AC30 1P+N 40A 30mA 10kA Type AC Earth Leakage Circuit Breaker RCBO

The ABB DS201 C40 AC30 (SKU: 2CSR255080R1404) is a 1P+N earth leakage circuit breaker with overcurrent protection (RCBO) rated at 40A with a 30mA residual current sensitivity and Type AC detection, designed for reliable protection of residential and commercial electrical installations. Delivering a 10kA breaking capacity on a compact DIN-rail mount profile of 35mm × 85mm × 69mm, this DS201 C40 AC30 combines overcurrent and earth fault protection in a single 1P+N device, simplifying panel design and reducing wiring complexity for engineers and installers alike.

Technical Specifications

Certifications & Standards

• IEC 61009-1: Residual current operated circuit-breakers with integral overcurrent protection for household use
• EN 61009-1: European adoption of IEC 61009-1
• IEC 61009-2: Supplementary requirements for RCBOs
• EN 61009-2: European adoption of IEC 61009-2
• IEC/EN 60664: Insulation coordination for equipment within low-voltage systems
• IEC/EN 61009-1: Combined IEC/EN designation for RCBO performance requirements
• IEC/EN 61009-2: Combined IEC/EN designation for supplementary RCBO requirements
• IEC 60898: Circuit-breakers for overcurrent protection in household installations
• IEC 60068-2: Environmental testing procedures
• EN 45555: General methods for the assessment of the ability of energy-related products to be reused, repaired, and recycled
• EN 61009: European standard for RCBOs
• EN 60664: European insulation coordination standard
• RoHS: Restriction of Hazardous Substances compliant
• REACH: Compliant with EU regulation on chemicals
• WEEE: Waste Electrical and Electronic Equipment directive compliant
• CCC: China Compulsory Certification
• CE: European Conformity marking
• EAC: Eurasian Conformity marking for Russia/CIS markets

Applications & Use Cases

• Residential distribution boards and consumer units requiring combined overcurrent and earth fault protection
• Commercial and light industrial control panels with space-optimised 1P+N layouts
• Protection of socket outlet circuits, lighting circuits, and sensitive loads against earth faults
• Retrofit or upgrade of existing MCB installations to include residual current protection
• Applications requiring Type AC sensitivity (sinusoidal residual currents) per IEC 61009-1