
The ABB OTM40F3CMA230V-I (1SYN120096R1001) is a compact, high-performance 3-pole motorized changeover switch designed for automated source switching, power transfer, and backup generator control in commercial and light industrial installations. Combining remote motorized operation with a manual operating handle for emergency overrides, this OT series changeover switch provides dependable power continuity and comes complete with terminal hardware and control circuit connectors.
Technical Features
Dual Motorized & Manual Operation: Features a reliable motorized actuator for seamless remote automated switching, alongside an included manual operating handle for physical safety overrides and maintenance.
Compact 3-Pole Configuration: Engineered for standard three-phase power distribution networks, providing efficient source switching without taking up excessive panel space.
Complete Accessory Inclusion: Supplied with a matching terminal bolt kit (complete with nuts and washers) and male connectors for straightforward control circuit wiring.
Integrated Mechanical Interlock: Built with robust interlocking mechanisms to physically prevent simultaneous connection of normal and backup sources, safeguarding against dangerous backfeeding.
Applications
Commercial Backup Power Systems: Ideal for retail stores, offices, and small commercial facilities needing automated transfer between utility mains and backup generators.
Light Industrial Switchboards: Deployed in sub-distribution panels and machinery control cabinets to maintain continuous power delivery for critical loads.
Telecommunications & Remote Sites: Used in unstaffed or remote equipment enclosures where remote automated switching and high reliability are essential.
Buyer Guidance
Verify Electrical Ratings: Ensure the 40A current rating and operating voltage align with your specific load requirements and control architecture.
Confirm Pole Count: Check whether your system requires a 3-pole (phase lines only) or 4-pole (including neutral switching) configuration before completing your purchase.
Professional Installation: Installation, terminal connections, and integration with automated controllers should be carried out by a qualified electrical technician in compliance with local safety standards.

Schneider Electric
Model: LRD3353