MODEL: OTEC225 (SPEC C) - A075F138 | 277/480V 3-Phase | NON-SERVICE RATED | NEMA3R ENCLOSURE
Cummins 225A Non-Service Rated Automatic Transfer Switch, NEMA3R
Latest Generation OTEC Technology with PowerCommand 40-11 Control
This Cummins 225A Spec C transfer switch represents the newest evolution in reliable backup power protection for commercial and light industrial facilities. Designed for 277/480V 3-phase applications, this non-service rated unit in a weather-resistant NEMA3R enclosure automatically monitors your primary power source and seamlessly transfers electrical loads to your generator during outages.
Ideal Applications
Perfect for emergency, legally required, and optional standby power systems in offices, warehouses, retail spaces, and light manufacturing facilities where reliable backup power is essential.
PowerCommand 40-11 Digital Control System
At the heart of this transfer switch is Cummins' advanced PowerCommand 40-11 microprocessor control. The intuitive LCD digital display and easy-to-use touch controls let you monitor system status, adjust settings, and navigate menus with confidence—no complicated programming required.
Why Choose This Transfer Switch?
Simplified Maintenance & Installation Service calls are faster and easier thanks to plug-style connections, door-mounted controls, clearly marked terminals, and generous interior workspace. Your electrician will appreciate the thoughtful design.
Precision Engineering The innovative bi-directional linear motor actuator delivers smooth, reliable switching action without the wear and complexity of traditional gear-based mechanisms. This means fewer moving parts and more dependable long-term performance.
Safety First Built-in mechanical and electrical interlocking systems prevent dangerous cross-connections between your utility power and generator—protecting your equipment and personnel.
Manual Override Capability Should you ever need to operate the switch manually during maintenance or de-energized conditions, the accessible manual handles and over-center contact mechanism make it straightforward and safe.
Compact Yet Robust
- Dimensions: 42.5" H × 30.5" W × 16.0" D
- Weight: 315 lbs
- Enclosure: NEMA3R rated for indoor or outdoor installation with weather protection
Spec Sheet - OTEC Series Switches- Spec C
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.
Complete Peace of Mind
Every feature and setting is software-enabled through the PowerCommand control, ensuring precise configuration and easy adjustments as your needs evolve. This is backup power protection built for the real world—reliable, serviceable, and engineered to last.