For sale is a DuraKool (IN, USA) Catalog no.BFC3-708 Mercury Relay. Built for use in 3-phase applications. 6 to 480 VAC. 60 Amps maximum current rating. 60Hz, 120 VAC Coil. Normally open operation. Several available. NOTE: Some of the DuraKool BFC3-708's I am offering for sale have three screw-on wire connectors attached to the upper terminals; some may have fewer, or no screw-on connectors with them.