This static relay has a built-in heatsink for limited derating while limiting occupied space in panel It also has a visual indicator showing the status of its input Its rated current is 3 A, is controlled with a 4 to 28 V DC circuit, has a rated load voltage of 5 to 60 V DC output. It mounts on symetrical DIN rails and comes with a secure mounting latch SSLM1D23BD SSR OUTPUT MOD DC CNTRL DC LOAD ?3A