"A compact hinge operated safety interlock switch with the option of 2 safety contacts. Full IP67 ingress protection on all models. Rotateable head facilities 4 possible shaft positions. Only 3° of guard movement required to operate. 2N\/C, 1N\/O or 3N\/C controls hollow shaft. Forced guided contacts - complies with EN 1088, IEC 947-5-1Range = Ensign 3Series = 440HLock Style = HingeNormal State Configuration = NO\/2NCSize of Cable Entries = M16Conduit Entry = M16Shaft Length = 80mm"