MODEL: OTEC400 (SPEC B) - A066Y098 | 277/480V 3-PHASE | NON-SERVICE RATED | NEMA1 ENCLOSURE
Cummins 400A OTEC Series Transfer Switch, Non-Service Rated
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Product Overview
The Cummins 400A OTEC Series Transfer Switch (Spec B) is a reliable automatic transfer solution designed for emergency standby power applications in commercial and light industrial settings. This non-service entrance rated switch operates at 277/480V 3-phase and comes in a NEMA1 enclosure for indoor installation.
Built to handle emergency, legally required, and optional standby circuits, the OTEC series delivers essential monitoring and load transfer functions to keep your facility powered during outages. It features the advanced PowerCommand® 40 control system, offering comprehensive management capabilities in an intuitive package.
PowerCommand® 40-01 Control System
At the heart of this transfer switch is the fully-featured PowerCommand® 40-01 microprocessor-based control. The easy-to-read LCD digital display and tactile soft-switch buttons make operation and navigation straightforward, even for first-time users. All settings and adjustments are software-enabled, ensuring precise configuration and simplified setup.
Key Benefits
Simple Maintenance & Service
Plug-in connections, door-mounted controls, and clearly marked terminals provide excellent accessibility for installation and routine maintenance. Generous internal space makes servicing quick and hassle-free.
Advanced Transfer Mechanism
The innovative bi-directional linear motor actuator eliminates complex gears and linkages, delivering smooth, friction-free operation with consistent force throughout the transfer cycle. This design enhances reliability and extends service life.
Safe Manual Operation
Manual operating handles allow you to transfer loads by hand when needed under de-energized conditions. The shielded termination and over-center contact mechanisms ensure safe, effective manual control.
Positive Safety Interlocking
Both mechanical and electrical interlocks prevent dangerous source-to-source connections, protecting your equipment and personnel whether the switch operates automatically or manually.
Specifications
- Current Rating: 400 Amperes
- Voltage: 277/480V, 3-Phase
- Type: Non-Service Entrance Rated
- Enclosure: NEMA 1 (Indoor)
- Dimensions: 54.0" H × 25.5" W × 18.0" D
- Weight: 235 lbs
- Series: OTEC Spec B
- Control: PowerCommand® 40-01
Spec Sheet - OTEC Series Switches
Ideal Applications
This transfer switch is perfectly suited for commercial buildings, light industrial facilities, healthcare facilities, data centers, and any application requiring reliable emergency or standby power switching with professional-grade monitoring and control capabilities.