System for power connection and reconnection
System for providing an uninterrupted supply voltage and method
System for providing assured power to a critical load
System for providing assured power to a critical load
System for transferring a load between two power sources without
Systems and circuits with multirange and localized detection...
Systems for and methods of controlling operation of a UPS
Telecommunications megasite with backup power system
Telecommunications megasite with backup power system
Terminal adapted to be powered locally and to receive a...
Testing battery power source of uninterruptible power supply
Time limit circuit for a hold-up battery
Time switch
Timer controlled space thermostat with battery operated timer
Transfer logic control circuitry
Transfer mechanism for transferring power between a utility...
Transfer relay for computer based equipment
Transfer switch
Transfer switch
Transfer switch controller employing active inductive load...