ABB 1SCA104902R1001 OT40F3 3-Pole 40A Base/DIN-Rail Mount Switch Disconnector Low Voltage

The ABB OT40F3 (SKU: 1SCA104902R1001) is a 3-pole low voltage switch disconnector from ABB's OT series, designed for safe isolation and switching of electrical circuits in industrial control panels and distribution boards. Compact at 35 mm × 68 mm × 56 mm and weighing just 0.09 kg, the OT40F3 supports both base mounting and DIN-rail mounting, offering installation flexibility across a wide range of applications. Certified to IEC 60947-3, UL508, and ATEX standards, it is a trusted solution for engineers and procurement professionals worldwide.

Technical Specifications

Certifications & Standards

• CE: Conformité Européenne — meets EU safety, health, and environmental requirements
• RoHS: EU Directive 2011/65/EU — restriction of hazardous substances in electrical equipment
• REACH: EU regulation on registration, evaluation, authorisation and restriction of chemicals
• Amendment 2015/863: RoHS 2 amendment updating restricted substance thresholds
• IEC 60947-3: International standard for switches, disconnectors and fuse-combination units
• IEC 60947-10: International standard for control circuit devices and switching elements
• IEC/EN 60664: Insulation coordination for equipment within low-voltage systems
• UL 508: UL standard for industrial control equipment (North America)
• CSA C22.2 No.14: Canadian standard for industrial control equipment
• CSA: Canadian Standards Association approval
• cULus: Combined UL and CSA certification for US and Canadian markets
• ATEX: Certified for use in potentially explosive atmospheres (EU directive 2014/34/EU)
• VDE: Verband der Elektrotechnik — German electrical engineering standards compliance
• WEEE: Waste Electrical and Electronic Equipment Directive compliance

Applications & Use Cases

• Safe electrical isolation in industrial control panels and machine switchboards
• Circuit disconnection in distribution boards and motor control centers
• Use in hazardous areas requiring ATEX-rated switching components
• North American installations requiring UL508 and CSA C22.2 No.14 compliance
• OEM machinery and automation equipment requiring compact, DIN-rail-compatible disconnectors