Ex-d push button for zone 1, SGT, 1 NC + 1 NO, yellow, momentary action, silver contacts, rated voltage: 500 V AC, rated current: 16 A, rated making/breaking capacity AC15 in accordance with EN 60947-5-1: Ue 250 V / Ie 6 A / Ue 500 V / Ie 4 A, marking in accordance with 94/9/EC: Ex II 2 G Ex ed IIC T6, EC type examination certificate: PTB 97 ATEX 1081 U, PTB 99 ATEX 1034 (with cover), permissible ambient temperature: -20 °C to 40 °C, dimensions (L x W x H): 57 x 38 x 112 mm, weight: 0.15 kg, protection class: I, protection type in accordance with EN 60529: IP66 (with protective cover)