Up for sale Cummins ONAN 800 Amp Automatic Transfer Switch is in perfect working condition! fully operational and functions as intended.
The Cummins Onan 800 Amp Automatic Transfer Switch (commonly designated under series like OTEC, OTPC, or GTEC) is a heavy-duty electrical switch. It handles up to 600 VAC, features 3-pole or 4-pole configurations with solid/full-rated neutral options, and ensures rapid power transfer between utility and standby generator sources
- Ampere Rating: 800 Amps continuous current.
- Voltage Rating: Up to 600 VAC maximum, 50 or 60 Hz.
- Pole Configuration: 3-pole or 4-pole (with solid or switched neutral).
- Transfer Time: Fast switching times (typically under 6 cycles at 60 Hz for standard open transitions)
- Transition Modes: Open, closed, or programmable transition options depending on the exact controller model.
- Controller Tech: Driven by microprocessor or PowerCommand controls for precise voltage sensing, frequency monitoring, and engine start signals.
- Interlocking: Positive electrical and mechanical interlocking to prevent cross-connection of utility and generator sources
- Manual Operation: Includes external or internal manual operator handles for safe testing and maintenance during power loss.












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