"The Rotacam is heavy-duty, hinge-actuated safety-interlock switch. It can be used as, or connected to, the existing hinge pin for direct operation of the switch. Machine power is isolated when the guard has been opened just 5°. For applications requiring a larger degree of operation, the internal cam can be adjusted from 5…11°.Can be used as a hinge pin on light and medium weight guard doors. Isolates power within 5° of door movement (2° to operate 2N\/C safety contacts, 3° to operate 1N\/O auxiliary - which can be used to indicate which guard has been opened, or can operate an alarm). Degree of operation can be customized with adjustable cam. Robust die-cast case, ideal for heavy-duty applications. Contacts 2 NC & 1 NO. Forced guided contacts - complies with EN 1088, IEC 947-5-1Range = RotacamSeries = 440HLock Style = HingeNormal State Configuration = NO\/2NCSize of Cable Entries = M16Conduit Entry = M16Shaft Length = 30mm"