ABB 1SCA104811R1001 OT16F3 3-Pole 16A Base/DIN-Rail Mount Switch Disconnector Low Voltage

The ABB OT16F3 switch disconnector (SKU 1SCA104811R1001) is a 3-pole, low-voltage switch disconnector from ABB's OT series, designed for safe isolation and switching in industrial control panels and distribution boards. Compliant with IEC 60947-3, UL 508, and CSA C22.2 No.14, the OT16F3 offers versatile mounting options — both base-mounted and DIN-rail mountable — in a compact 35 × 68 × 56 mm footprint weighing just 0.09 kg.

Technical Specifications

Certifications & Standards

• CE: European conformity marking for electrical safety and EMC compliance
• cULus: Listed by UL for both US (UL 508) and Canadian (CSA C22.2 No.14) markets
• VDE: German Association for Electrical, Electronic & Information Technologies certification
• IEC 60947-3: International standard for switches, disconnectors, switch-disconnectors and fuse-combination units
• IEC 60947-1: General rules for low-voltage switchgear and controlgear
• IEC/EN 60664-1: Insulation coordination for equipment within low-voltage systems
• UL 508: Standard for industrial control equipment (North American market)
• CSA C22.2 No.14: Canadian standard for industrial control equipment
• CSA: Canadian Standards Association certification
• ATEX: Certification for use in explosive atmospheres
• RoHS: Restriction of Hazardous Substances — compliant with EU Directive 2011/65/EU
• REACH: Compliant with EU REACH regulation on chemical substances
• WEEE: Compliant with EU Waste Electrical and Electronic Equipment Directive

Applications & Use Cases

• Safe isolation of electrical circuits in industrial control panels
• Main or branch switch in distribution boards and motor control centres
• On/off switching and load isolation in automation systems
• Applications requiring ATEX-rated safe disconnection in hazardous areas
• Compact installations requiring DIN-rail or base mounting flexibility