


MODEL: OTEC225 (SPEC C) - A075F136 | 120/208V 3-Phase | NON-SERVICE RATED | NEMA3R ENCLOSURE
Cummins 225A Automatic Transfer Switch with PowerCommand 40-11 Control
Overview
This Cummins 225A automatic transfer switch is designed to provide reliable emergency standby power for commercial and light industrial facilities. Featuring the latest PowerCommand 40-11 control system, this non-service rated switch automatically monitors your primary power source and generator, seamlessly transferring your electrical load when needed.
Key Specifications
- Current Rating: 225 Amperes
- Voltage: 120/208V 3-Phase
- Service Type: Non-Service Rated
- Enclosure: NEMA 3R (weather-resistant outdoor rated)
- Dimensions: 42.5"H × 30.5"W × 16.0"D
- Weight: 315 lbs
- Control System: PowerCommand 40-11 (OTEC Series Spec C)
PowerCommand 40-11 Control System
The advanced PowerCommand 40-11 microprocessor-based control provides intuitive operation through its LCD digital display and easy-to-use soft-touch buttons. All features, settings, and adjustments are software-enabled, making setup straightforward and precise.
Product Features
Simplified Maintenance Access The transfer switch is engineered for easy servicing with plug-in connections, door-mounted controls, generous interior access space, and clearly marked terminals that match for simple identification.
Advanced Transfer Mechanism Equipped with a bi-directional linear motor actuator that delivers smooth, friction-free operation with consistent force and straight-line action—no complicated gears or linkages to maintain.
Manual Operation Capability In de-energized conditions, you can manually operate the switch using the built-in operating handles, which work in conjunction with the shielded terminations and over-center contact mechanisms.
Safety Interlocking Both mechanical and electrical interlocks are built in to prevent dangerous source-to-source connections through either power or control wiring, ensuring safe operation at all times.
Applications
Ideal for emergency, legally required, and optional standby power systems in:
- Commercial buildings
- Light industrial facilities
- Healthcare facilities
- Critical infrastructure
- Any application requiring reliable backup power transfer
Codes and Standards
- UL - UL 1008 Listed with UL 50E Type Cabinets and UL Listed CU-AL terminals.
- NEMA - Compliance with NEMA ICS 10.
- CSA - Certified to CSA 22.2.
- IEEE - Compliance with IEEE 446 for Emergency and Standby Power Applications.
- NFPA - Compliance with NFPA 70, 99, and 110 (Level 1).
- NEC - Suitable for use in Emergency, Legally Required Standby and Critical Power Systems per NEC 700, 701, 702, and 708.
- EMC - Meets Electromagnetic Compatibility (EMC) standards for Generic Immunity and Emissions Standards for Industrial environment.
- IBC - Certified to IBC Seismic 2021.