The LR-5 is a mechanical latching relay with one set of four pole double throw contacts and one set of single pole normally open contacts. The LR-5 may be used to switch all types of audio, AES and AC/DC circuits. Additional features include; a five-volt DC 100ma power supply to power external equipment; removable euroblock screw terminals and LED indicators to display power and relay ON. The LR-5 assembly is housed in a plastic snap track that can be screwed, cable tied or velcroâ€™d to most surfaces. Optional DIN rail and clips may be purchased from other manufacturers to mount the snap track to the DIN rail.