This power pack is for low voltage sensors and can provide power for up to 6 MPC-50L sensors. The power input is 120/230/240/277 VAC, 50/60 Hz. The load requirements are 20 Amp @ 120/ VAC (ballast), 20 Amp @ 120 VAC (incandescent), 1 HP @ 120/240 VAC (motor), and 150 mA @ 24 VDC (power supply output, with relay connected).