Plug-in socket, for R4 relay - width 27 mm. No circuit separation. Input / coil - terminals: (+)A1(13) - (-)A2(14). Output / 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). Track load capacity: 6 A / 300 V AC. Mounting on a 35 mm rail or on a mounting plate with two M3 screws. Dimensions of the GZT4 + R4 + GZT4-0040 set: 76.3 x 27 x 80 mm; set GZT4 + R4N + G4 1052: 76.3 x 27 x 66.6 mm. Note: a clamp type GZT4-0040, the so-called ejector, made of plastic, or a G4 1052 spring clamp. M... type signaling / surge protection modules can be installed in the socket; Set - IP 20.