Featuring DC relay drive control technology for long life this Honeywell transformer relay can provide intermediate switching of line-and low-voltage devices from a line- or low-voltage controller. Model has 2 LEDs to ease troubleshooting, plus replaceable socketed relays and transformer fuse to ease maintenance. The relays low-voltage contact rating is suitable for PowerPile applications and for use in hydronic heating systems. This listing is for each. Product Details Switches Two SPST, plus PowerPile rated low voltage SPST relay. (If normally closed conta Description Universal Switching Relay With Internal Transformer Temperature Range -20-120 °f Coil Voltage 24 v Amperage 0.4 A