MODEL: OTEC400 (SPEC B) - A066Y096 | 120/208V 3-PHASE | NON-SERVICE RATED | NEMA1 ENCLOSURE
Cummins 400A Non-Service Rated Automatic Transfer Switch, OTEC Series, NEMA1
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Product Overview
The Cummins OTEC Series 400-amp automatic transfer switch delivers reliable emergency standby power switching for commercial and light industrial facilities. This non-service entrance rated unit features 120/208V 3-phase configuration in a NEMA1 enclosure, making it ideal for emergency, legally required, and optional standby circuits.
Equipped with the advanced PowerCommand® 40 control system, this transfer switch monitors your primary power source and backup generator, automatically starting your generator and transferring loads when needed to keep your operations running during outages.
PowerCommand® 40-01 Control System
At the heart of this transfer switch is the fully featured PowerCommand® 40-01 microprocessor-based control. The intuitive LCD digital display and tactile soft-switch buttons make operation straightforward, while software-enabled settings ensure precise configuration for your specific application.
Key Features
Simplified Maintenance & Installation
Service and installation are made easier with plug-style connections, door-mounted controls, generous interior access space, and clearly marked terminals that match across components.
Intelligent Microprocessor Control
The standard PowerCommand® 40 control provides comprehensive monitoring and management capabilities. All features, settings, and adjustments are software-configured for accurate setup and reliable operation.
Advanced Transfer Mechanism
The bi-directional linear motor actuator delivers smooth, friction-free switching action with consistent force throughout the transfer cycle. This advanced design eliminates complex gears and linkages for enhanced reliability.
Manual Override Capability
Built-in manual operating handles allow you to safely switch power sources by hand when the system is de-energized. Shielded terminations and over-center contact mechanisms ensure effective manual operation when needed.
Safety Interlocking
Dual mechanical and electrical interlocks prevent both power sources from connecting simultaneously, protecting your electrical system and equipment from damage.
Specifications
- Current Rating: 400 Amperes
- Voltage: 120/208V 3-Phase
- Type: Non-Service Entrance Rated
- Enclosure: NEMA1
- Dimensions: 54.0" H × 25.5" W × 18.0" D
- Weight: 235 lbs
Spec Sheet - OTEC Series Switches
This transfer switch is designed for applications requiring dependable automatic switching between utility and generator power, ensuring continuous operation during power outages.