ABB 1SCA022719R0250 OS400D03P 3-Pole 400A DIN Mount Switch Fuse

The ABB OS400D03P (SKU: 1SCA022719R0250) is a 3-pole, 400 A DIN-mounted switch fuse from the ABB OS400 series, engineered for reliable circuit isolation and overcurrent protection in demanding industrial power distribution applications. Compact yet robust, the OS400D03P combines switching and fuse protection in a single unit, simplifying panel design and reducing installation footprint with its DIN rail mounting configuration.

Technical Specifications

Certifications & Standards

• CE: Complies with European Union low-voltage and electromagnetic compatibility directives
• RoHS: Restriction of Hazardous Substances — free from restricted materials per EU Directive 2011/65/EU
• REACH: Compliant with EU REACH regulation on chemical substances
• WEEE: Registered under the Waste Electrical and Electronic Equipment directive for responsible end-of-life disposal
• IEC 60947-3: Switches, disconnectors, switch-disconnectors and fuse-combination units for industrial applications
• IEC 60529: Degrees of protection provided by enclosures (IP rating classification)
• UL 2799: Electrical systems for stationary fuel cell power systems

Applications & Use Cases

• Main and sub-distribution boards in industrial facilities
• Machine and control panel circuit isolation and protection
• Motor feeder and branch circuit switch-fuse combinations
• Building services electrical distribution panels
• Marine and offshore power distribution systems