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Power interruptions can bring business operations, essential equipment, and critical systems to a halt in seconds. Whether you manage a commercial facility, industrial operation, agricultural property, data center, or another mission-critical location, dependable backup power starts with a high-quality automatic transfer switch. The Cummins OTEC600 Indoor Automatic Transfer Switch | 600A 480V 3-Phase | NEMA 1 is designed to detect utility power loss and automatically transfer your electrical load to a compatible generator, helping reduce downtime while protecting valuable equipment.
Built with the trusted Cummins PowerCommand 40 controller, this 600A automatic transfer switch delivers intelligent monitoring, fast open-transition switching, and simple operation through its integrated LCD display. Its heavy-duty NEMA 1 indoor enclosure is ideal for protected indoor installations where dependable automatic power management is essential.
Designed for commercial buildings, manufacturing facilities, agricultural operations, healthcare environments, educational institutions, and other demanding applications, this transfer switch provides the confidence that your backup power system will respond automatically when utility power fails. Unlike manual transfer switches that require someone to be present during an outage, the Cummins OTEC600 automatically manages the transfer process. This reduces response time, minimizes operational disruptions, and helps maintain business continuity.
The open-transition design briefly disconnects from one power source before connecting to the other. This proven transfer method helps prevent source overlap while providing dependable operation for many commercial and industrial applications.
The integrated Cummins PowerCommand 40 controller delivers intelligent source monitoring, automatic transfer operation, programmable settings, and easy navigation through the built-in LCD interface for simplified system management.
Large electrical systems require equipment built for substantial loads. With a 600-amp rating, this transfer switch supports demanding facilities that require dependable backup power performance.
The front-mounted LCD screen allows operators to quickly review system conditions, operating modes, alarms, and configuration settings without complicated procedures or additional equipment.
Routine generator exercise helps maintain backup system readiness. The programmable exerciser allows scheduled automatic generator testing without requiring manual operation every time.
The durable indoor enclosure protects internal electrical components in appropriate indoor environments while providing convenient access for qualified technicians during maintenance and inspection.
Being part of the UL 1008 listed Cummins transfer switch family provides additional confidence that the equipment has been designed and tested for automatic transfer switch applications.
Cummins provides a limited warranty policy, ensuring the absence of defects in materials, workmanship, and performance during the warranty period.
Cummins OTEC600 Indoor Automatic Transfer Switch | 600A 480V 3-Phase | NEMA 1 Specifications |
|
|---|---|
| Model | OTEC600 |
| Product Type | Automatic Transfer Switch |
| Manufacturer | Cummins |
| Manufacturer Part Number | A075F141 |
| Amperage Rating | 600A |
| Voltage | 480V |
| Phase | 3-Phase |
| Poles | 3-Pole |
| Transfer Type | Open Transition |
| Controller | Cummins PowerCommand 40 |
| Display | Integrated LCD Display |
| Enclosure | NEMA 1 Indoor |
| Service Entrance Rated | No |
| Generator Exerciser | Configurable Schedule |
| Frequency | 50/60 Hz |
| Maximum Family Voltage | Up to 600 VAC |
| Family Current Range | 40A–1200A |
| Certification | UL 1008 Listed Family |
| Installation Location | Indoor |
| Configuration | Non-Service Entrance |
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