... Universal fit 3) Safety EGIS cover 4) Zero current tur Solid State relay:Features:1) Small volume and dimensions2) Universal fit3) Safety ... )Light isolation between input loop an output loop9)input full wave rectification voltage regulating,wide input voltage range(90- ... -heat radiating base isolation strenth 4000V.11)Small bulk,high reliable,shakes proof,moisture proof,explosion-proof,spark free12) ...