... are applicable to various lighting devices (metal halogen light) three phase Intellectualized Emergency Power Supply EPSApplication Scope:This series of power ... are applicable to provide emergency power supply for various three-phase,single-phase and mixed equipment thatconsume electricity,such as elevator,fan ... and air conditioner,etc.output power range:2.2,3,3.7,5.5,6,7.5,11,15,18.5,20,22,25,30,37,40, ...