MODEL: OTEC125 (SPEC B) - A066Y091 | 120/208V 3-Phase | NON-SERVICE RATED | NEMA3R ENCLOSURE
✅ IN STOCK - Ready to Ship
Ensure uninterrupted power for your commercial or light industrial facility with the Cummins OTEC125 automatic transfer switch. Engineered for reliability and ease of use, this 125-amp transfer switch seamlessly manages emergency standby power when you need it most.
Cummins OTEC125 (Spec B) Built for Critical Applications
PowerCommand® 40-01 Control System
At the heart of the OTEC125 is the advanced PowerCommand® 40-01 microprocessor control—a fully featured digital control platform that puts complete system management at your fingertips.
Intuitive Operation
- Crystal-clear LCD digital display shows real-time system status
- Tactile soft-switches provide responsive navigation
- Software-enabled settings eliminate manual adjustments
- Comprehensive configuration options for diverse applications
Engineering That Makes Maintenance Easier
Designed with Service in Mind
- Quick-Connect Plug Connections – Reduce installation and service time
- Door-Mounted Controls – Access settings without opening the main cabinet
- Generous Interior Space – Ample room for wire routing and service work
- Clear Terminal Markings – Matching labels prevent wiring errors
Advanced Transfer Mechanism
The OTEC125 features Cummins' innovative bi-directional linear motor actuator technology—a breakthrough in transfer switch design that eliminates the complexity and wear associated with traditional gear-driven systems.
Performance Benefits:
- Virtually friction-free operation extends service life
- Constant-force action ensures consistent transfer speed
- Straight-line motion eliminates mechanical linkage failures
- Proven reliability across thousands of installations
Safety & Redundancy Features
Manual Operation Capability When maintenance or testing requires manual control, the OTEC125 provides safe manual operation through shielded handles and over-center contact mechanisms—even under de-energized conditions.
Positive Source Interlocking Dual mechanical and electrical interlocks provide absolute protection against dangerous source-to-source connections, meeting all code requirements for safe operation.
Technical Specifications (Spec B)
- Voltage: 120/208V, 3-Phase
- Current Rating: 125 Amperes
- Enclosure: NEMA3R (Weather Resistant), Non-Service Rated
- Control: PowerCommand® 40-01
- Series: OTEC (Spec B)
- Dimensions: 34" H × 26.5" W × 12.5" D
- Weight: 135 lbs
Why Choose the Cummins OTEC125?
✓ Proven Reliability – Backed by Cummins' decades of power systems engineering
✓ Code Compliant – Meets NEC requirements for emergency and standby circuits
✓ Easy Installation – Plug connections and clear markings speed up setup
✓ Simplified Maintenance – Accessible design reduces service time and costs
✓ Weather Protection – NEMA3R enclosure withstands outdoor environments
✓ Future-Ready – Software-based control allows easy updates and customization
Perfect For These Applications
- Commercial office buildings
- Retail and hospitality facilities
- Light manufacturing plants
- Healthcare clinics and urgent care centers
- Data centers and telecom facilities
- Municipal and institutional buildings
- Any facility requiring reliable emergency power
Order Your OTEC125 Today
Protect your operations with the transfer switch trusted by power professionals nationwide. Contact Buckeye Power Systems for pricing, availability, and expert guidance on integrating the OTEC125 into your standby power system.
Need help selecting the right transfer switch? Our power systems specialists are ready to assist with technical questions, application support, and custom configurations.