Overview
The Kohler RDT Series Automatic Transfer Switch (ATS) is designed to seamlessly transfer electrical loads between a primary power source and a backup generator. Available in models ranging from 100 to 400 Amps, these switches ensure continuous power availability for critical applications.
MPAC® 500 Controller Features
Equipped with the intuitive MPAC® 500 controller, the RDT series offers:
- User-friendly interface with international symbols.
- Clear indicators for power source availability and contactor position.
- LED fault indication for system issues like failure to transfer or auxiliary switch faults.
- Advanced control features including engine start contacts, load control delay, and programmable exercise functions.
- Precise voltage and frequency sensing for reliable operation.
Key Standard Features
- UL 1008 listed for safety and reliability.
- Available in NEMA Type 1 (indoor) and NEMA Type 3R (indoor/outdoor) enclosures.
- Selectable 220/240 VAC, 50/60 Hz operation.
- Electrically and mechanically interlocked contactors for robust switching.
- Silver alloy main contacts for durability.
- Models available with or without integrated load centers (Square D type QO).
- Five-year limited warranty.
Service Entrance Model Capabilities
For applications requiring a service entrance rating, the RDT series includes models with a service disconnect circuit breaker on the normal utility source, ensuring compliance and safety.
Compliance and Support
The RDT series meets or exceeds numerous industry standards, including UL, CSA, NFPA, and IEEE. Comprehensive specifications, dimensions, and accessory information are detailed within this document to aid in selection and installation.