Interface relay: 4P - four changeover contacts. Width 27mm. Circuit separation - input / output. Green LED indicator. Varistor V suppressing surges. screw terminals. Output: 4P contacts - terminals: 11(9)-12(1)-14(5); 21(10)-22(2)-24(6); 31(11)-32(3)-34(7); 41(12)-42(4)-44(8); AC1 - 6A / 250V; DC1 - 6 A / 24 V. Input - terminals: (+)A1(13) - (-)A2(14), supply voltage Un - 48 V AC. Dimensions: 75x27x82mm. Mounting on a 35 mm rail or on a mounting plate with two M3 screws. The set includes a GZM4 - IP 20 socket.