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745-872-C0-002, Rev. B
3.0 Operation Using the Line Transfer Switch (LTS)
Alpha's recommended confi guration of the GEM enclosure uses a line transfer switch. The LTS
automatically switches the power supply's power source back to AC line on resumption of utility
power. In cases of intermittent power, the LTS will alternate from generator to AC line power as
available.
3.1 Installing the LTS
1. Clean the area where the Line Transfer Switch (LTS) will be installed. Remove the
adhesive backing from the LTS and install in the PWE enclosure.
2. Route the generator cord out of the PWE enclosure through the PWE's generator access
door.
