225 Amp. Cummins #OTEC225-(Spec C), Automatic Transfer Switch, NEMA1, 120/208 Volts, 3-Phase

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MODEL: OTEC225 (SPEC C) - A075F135 | 120/208V 3-Phase | NON-SERVICE RATED | NEMA1 ENCLOSURE
Cummins OTEC225 Automatic Transfer Switch - Commercial Power Protection You Can Count On
IN STOCK - Ready to Ship
Latest Spec C Model with Advanced PowerCommand 40-11 Control
When power interruption isn't an option, the Cummins OTEC225 delivers reliable automatic transfer switching for your critical commercial operations. This 225-amp, three-phase transfer switch represents the latest evolution in Cummins' proven OTEC series, now featuring the upgraded PowerCommand 40-11 control system.
Built for Critical Applications
Engineered for emergency, legally required, and optional standby circuits in commercial and light industrial environments, the OTEC225 seamlessly monitors your primary power source and generator, automatically initiating startup and load transfer when needed. Operating at 120/208V three-phase configuration with NEMA1 enclosure protection, this non-service rated unit ensures your operations stay online when grid power fails.
Intelligent Control at Your Fingertips
The PowerCommand 40-11 microprocessor-based control sets a new standard for transfer switch management. Its backlit LCD display and intuitive soft-touch interface make operation straightforward, while software-based settings eliminate guesswork during setup. Every parameter, adjustment, and feature is easily accessible and precisely configurableno manual calibration required.
Engineered for Reliability and Service
Revolutionary Transfer Mechanism - Unlike conventional designs with complex gearing, the OTEC225 employs a bi-directional linear motor actuator that delivers friction-free, constant-force operation. This straight-line action means fewer wearing parts, quieter operation, and exceptional long-term reliability.
Service-Friendly Design - Your maintenance team will appreciate the thoughtful engineering: plug-style connections eliminate hard-wiring hassles, door-mounted controls provide instant access, and clearly marked terminals speed troubleshooting. Generous interior spacing gives technicians room to work efficiently.
Fail-Safe Manual Override - Should service or testing require manual operation, integrated handles allow full mechanical control under de-energized conditions. The over-center contact mechanism ensures positive switching action even without power.
Complete Protection - Dual mechanical and electrical interlocking systems guarantee sources can never connect simultaneouslyprotecting your equipment, generator, and facility from dangerous backfeed conditions.
Technical Specifications
Voltage: 120/208V, 3-Phase
Current Rating: 125 Amps
Enclosure: NEMA1
Service Rating: Non-Service Rated
Control: PowerCommand 40-11microprocessor
Series: OTEC Spec C (Latest Generation)
Dimensions: 35.5" H × 26" W × 16" D
Weight: 225 lbs
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.
Why Choose the Cummins OTEC225?
This isn't just a transfer switchit's peace of mind engineered into steel and circuitry. Cummins' reputation for power reliability extends from massive industrial generators to precision transfer switching equipment. The OTEC225 brings commercial-grade performance to facilities that can't afford downtime: medical offices, data centers, telecommunications hubs, security systems, and critical manufacturing operations.
Ready to protect your operation? This unit is in stock and ready for immediate shipment.
Buckeye Power Systems - Your trusted source for commercial standby power solutions

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