Description:
The LT III Automatic Transfer Switch combines reliability and flexibility in a small, economical package for transferring loads between a utility and a generator set. Available in 3-pole models. The control monitors utility and emergency standby generator set power. When utility power fails or is unsatisfactory, the control starts the generator set and transfers the load from the utility to the generator set. Once utility power returns, the switch automatically transfers the load back to the utility. High pressure silver alloy contacts withstand thousands of switching cycles without burning, pitting or welding. They require no routine contact maintenance and provide 100% continuous current ratings.

Features

• Transfer Action - Independent break-before-make action positively prevents dangerous source-to-source connections.
• Positive Interlocking - Mechanical and electrical contactor interlocking prevents source-to-source connection through power or control wiring.
• Auxiliary Contacts - One Form A and one Form B contact (for each source) are provided for customer use. Rated at 10 A continuous and 600 VAC maximum.
• Electronic Control - Reliable digital electronic control system with surge voltage isolation, under-voltage monitoring on each power source, four standard normal/emergency source time delays, and diagnostic LEDs. Two control packages are available.
• Easy Service/Access - The unit is equipped for ease of service and accessibility. These features include convenient plug connections, door mounted controls, ample access space and compatible terminal markings
• Certifications - Onan LT III Transfer Switches are certified to a wide variety of industry standards.
• Warranty - Onan offers single-source responsibility at both the factory and distribution levels for warranty, service and parts support.