Sunpower 60w enclosed power supply sps 5060 xx series sunpower sps 060 15 the sunpower sps 060 55 is a 60w single output enclosed power supply from the sps 5060 xx range the psu has a standard mounting fixture identical in construction to products of other power supply manufacturers making it an ideal replacementthe power supply also has a green mode function this function reduces the output power down to lt0075w when in no loadthe power supply operates between 25degc to 70de