The 601.6269.106 from Altech is metal bodied safety interlock switch with 2 N.C. (Zb), separate actuator (St / PA) and 4 screw connections (M3,5). The 601.6269.106 has 3A current rating and 240V voltage rating. 1000000 cycles lifetime. Ambient air temperature range is from -30 °C to +80 °C.