Waeco genuine replacement power rectifier to suit CF35, CF40, CF50, CF60, AC, VERA. This unit is built in to the base unit of the fridge and converts 240v to 12/24v but is removeable and replaces EPS and MPS rectifiers which were used on the earlier CF series. AC power supply,  inverter, converter, voltage reduction. SP21100W25N-CF50, 100-240V, 50/60Hz, 25V, 4A, 100W, PC21100A, FR4, T21100W25UT-CV