The REV-302 multi-functional relay is a microprocessor-based programmable device designed to energize/de-energize one or two loads within user-set time intervals based on the circuit voltage and the external photo sensor luminance. Specification:AC voltage (terminals 7-8), V 90 ÷ 420DC voltage (terminals 7-8): V 100 ÷ 300Rated DC voltage (terminals 9-10): V 8 ÷ 30Supply curcuit frequency range: Hz 50/60Internal fuse: availableMax number of events..