MODEL: OTEC125 (SPEC C) - A075F125 | 277/480V 3-Phase | NON-SERVICE RATED | NEMA1 ENCLOSURE
Expected Availability: Call
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.
Other Cummins OTEC Switches @ 277/480V 3-Phase:
Cummins OTEC125 277/480V 3-Phase, NEMA3R
Cummins OTEC225 277/480V 3-Phase, NEMA1
Cummins OTEC225 277/480V 3-Phase, NEMA3R
Cummins OTEC400 277/480V 3-Phase, NEMA1
Cummins OTEC400 277/480V 3-Phase, NEMA3R
Cummins OTEC600 277/480V 3-Phase, NEMA1
Cummins OTEC600 277/480V 3-Phase, NEMA3R