Finder modular solid state relay 30a spst no 77 series finder 773182308071 the finder 773182308071 is a 30a solid state modular relay from the 77 series this relay has a silent high switching speed that is both spark and bounce free the module is 225mm in width and 35mm din rail mountable rated at 230v ac 30a this relay is supplied with a heat sink and plastic coverapplications include lamp inrush current reduction cfl compact fluorescent energy saving lamps and similar h