ABB 1SCA105365R1001 OT63F4N2 4-Pole 63A DIN-Rail Base Mount Switch Disconnector Low Voltage

The ABB OT63F4N2 (SKU: 1SCA105365R1001) is a 4-pole low voltage switch disconnector designed for safe isolation of electrical circuits in industrial control panels and distribution systems. Rated at 63A and compliant with IEC 60947-3, UL 508, and CSA C22.2 No.14, the OT63F4N2 supports both base mounting and DIN-rail installation, offering installation flexibility for a wide range of panel configurations. Compact at 70 × 91.5 × 72.5 mm and weighing just 0.31 kg, it is an ideal choice for space-constrained enclosures.

Technical Specifications

Certifications & Standards

• CE: Conformité Européenne — meets EU safety, health, and environmental protection requirements
• RoHS: Restriction of Hazardous Substances — compliant with EU Directive 2011/65/EU and Amendment 2015/863
• REACH: Registration, Evaluation, Authorisation and Restriction of Chemicals — EU chemical safety compliance
• IEC 60947-3: International standard for switches, disconnectors, switch-disconnectors and fuse-combination units
• IEC 60947: General rules for low-voltage switchgear and controlgear
• IEC/EN 60664: Insulation coordination for equipment within low-voltage systems
• EN 60664: European adoption of IEC 60664 insulation coordination standard
• UL 508: UL standard for industrial control equipment (USA)
• CSA C22.2 No.14: Canadian Standards Association standard for industrial control equipment
• CSA: Canadian Standards Association certification
• cULus: Combined UL certification covering both US (UL) and Canadian (cUL) markets
• ATEX: Compliance with EU directive for equipment used in explosive atmospheres
• VDE: Verband der Elektrotechnik — German electrical engineering certification
• WEEE: Waste Electrical and Electronic Equipment Directive — EU end-of-life product compliance

Applications & Use Cases

• Main or branch circuit isolation in industrial control panels and motor control centers
• Safe maintenance isolation for machinery, HVAC systems, and process equipment
• Distribution boards and sub-distribution panels in commercial and industrial buildings
• Applications requiring ATEX-rated isolation in potentially explosive environments
• DIN-rail mounted panels with space constraints requiring compact 4-pole disconnection