Used for HoistCom & CraneCom:

Specs: Input 100-240V / Output 24VDC 4.2 Amp

HoistCom: Floor landing Com Units. Powers about 20-floor landings. Add an additional booster 42PS for 20 plus Com Units. “For example, 2 x 42PS boosters are required for about 21-floor landings.” Add another booster for every 20-plus floors. (see diagram 120-113)

CraneCom: Powers Master Unit and Phone units. It is recommended to plug the Master Unit into a power outlet when not in use to keep the BackUp batteries fully charged.