ABB 1SCA022718R8780 OT400E03P 3-Pole 400A Base Mounted Switch-Disconnector

The ABB OT400E03P (SKU: 1SCA022718R8780) is a heavy-duty 3-pole base-mounted switch-disconnector from ABB's OT series, engineered for reliable isolation and switching in industrial power distribution and control panel applications. Rated at 400A, this switch-disconnector meets the rigorous requirements of IEC 60947-3 and carries ATEX certification, making it suitable for use in demanding environments including potentially explosive atmospheres.

Technical Specifications

Certifications & Standards

• IEC 60947-3: Low-voltage switchgear and controlgear — switches, disconnectors, switch-disconnectors and fuse-combination units
• IEC 60947-130: Low-voltage switchgear and controlgear supplementary standard
• EN 60664: Insulation coordination for equipment within low-voltage supply systems
• ATEX: Certified for use in potentially explosive atmospheres per EU Directive 2014/34/EU
• CE: Conformité Européenne — compliant with applicable EU directives
• VDE: Verified by the German Association for Electrical, Electronic & Information Technologies
• RoHS: Restriction of Hazardous Substances — compliant with EU Directive 2011/65/EU
• REACH: Compliant with EU REACH regulation (EC) No 1907/2006 on chemical substances
• WEEE: Waste Electrical and Electronic Equipment Directive compliant (2012/19/EU)

Applications & Use Cases

• Main supply isolation in industrial control panels and motor control centres (MCCs)
• Safe disconnection of machinery and equipment during maintenance operations
• Power distribution switchboards in manufacturing facilities
• Hazardous area installations where ATEX compliance is required
• Building services, HVAC, and utility distribution boards