MODEL: OTEC125 (SPEC C) - A075F125 | 277/480V 3-Phase | NON-SERVICE RATED | NEMA1 ENCLOSURE
Cummins OTEC125A - Reliable Emergency Power Transfer for Commercial Applications
Latest Spec C Update Now Available
The Cummins OTEC 125 Spec C transfer switch delivers dependable automatic power switching for emergency standby systems in commercial and light industrial facilities. Equipped with the advanced PowerCommand® 40-11 microprocessor control, this non-service rated transfer switch provides intelligent monitoring, seamless generator starting, and automatic load transfer when you need it most.
Ideal for: Emergency circuits, legally required standby systems, and optional standby applications
PowerCommand® 40-11 Control System
Experience intuitive operation with the fully-featured PowerCommand® 40-11 microprocessor control. The bright LCD digital display and responsive soft-touch switches make system monitoring and navigation effortless, while comprehensive software-based settings ensure precision configuration for your specific application requirements.
Key Advantages
Simplified Maintenance & Service Quick-access plug connections, door-mounted controls, generous interior spacing, and clearly labeled terminals reduce service time and complexity.
Precision Microprocessor Control The PowerCommand® 40 control platform provides software-enabled features, settings, and adjustments for accurate, hassle-free setup and reliable long-term operation.
Advanced Linear Motor Actuator Bi-directional linear motor technology eliminates friction and mechanical complexity. No gears, no linkage—just smooth, constant-force, straight-line switching action for superior reliability.
Manual Operation Capability Equipped with shielded manual operating handles and over-center contact mechanisms, allowing safe manual transfer during de-energized maintenance conditions.
Dual Interlocking Protection Both mechanical and electrical interlocking systems prevent dangerous source-to-source connections through power or control circuits.
Technical Specifications
- Voltage: 277/480V, 3-Phase
- Current Rating: 125 Amperes
- Enclosure: NEMA1
- Service Rating: Non-Service Rated
- Control: PowerCommand® 40-11
- Series: OTEC (Spec C)
- Dimensions: 27" H × 20.5" W × 12" D
- Weight: 158 lbs
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.
Why Choose Cummins OTEC?
Cummins OTEC transfer switches are engineered for applications that demand reliable emergency power without unnecessary complexity. The Spec C update brings the latest PowerCommand technology to a proven platform, ensuring your critical loads stay powered when the grid goes down.
Ready to protect your facility? Contact Buckeye Power Systems today for shipping and expert application support.