MODEL: OTEC125 NSE - A066Y090 | 120/208V 3-Phase | NON-SERVICE RATED | NEMA1 ENCLOSURE
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Cummins OTEC125 Non-Service Rated Transfer Switch
Professional Power Transfer for Critical Applications
Ensure seamless emergency standby power with the Cummins OTEC125 Transfer Switch. Engineered for commercial and light industrial environments, this 125-amp, three-phase unit delivers reliable automatic switching between your primary power source and backup generator when it matters most.
Smart Control, Simple Operation
The integrated PowerCommand® 40-01 control puts sophisticated power management at your fingertips. Its intuitive LCD display and soft-touch controls make monitoring, configuration, and operation straightforward—no complicated programming required.
Built for Reliability
Advanced Transfer Mechanism – The bi-directional linear motor actuator eliminates friction and complex mechanical linkages, delivering smooth, consistent switching action that extends service life.
Safety-First Design – Dual mechanical and electrical interlocking prevents dangerous source-to-source connections, protecting your equipment and personnel.
Manual Override Capability – Shielded terminations and over-center contact mechanisms enable safe manual operation during de-energized conditions.
Service-Friendly Engineering
Technician-friendly features minimize downtime and maintenance costs:
- Plug-style connections for quick servicing
- Door-mounted controls for easy access
- Generous interior spacing for efficient wire management
- Clearly marked, compatible terminals
Technical Specifications
- Voltage: 120/208V, 3-Phase
- Current Rating: 125 Amps
- Enclosure: NEMA1, Non-Service Rated
- Dimensions: 27" H × 20.5" W × 12" D
- Weight: 95 lbs
- Applications: Emergency, legally required, and optional standby circuits
Spec Sheet - OTEC Series Switches
PowerCommand® 40-01 Control Features
Microprocessor-based precision with software-enabled settings ensures accurate, repeatable performance across all operating parameters—from voltage monitoring to transfer timing.
Ideal For: Commercial buildings, light industrial facilities, data centers, healthcare facilities, and any application requiring code-compliant emergency standby power transfer.