Siemens Ronis key switch, lock no. 455, O-IProduct Overview RONIS KEYSWITCH, 22M, ROUND, PLASTIC, LOCK NO. 455, WITH 2 KEYS, 2 SWITCH POSITIONS O I, LATCHING, ACTUATING ANGLE 50 DEG, 12 14 O'CLOCK KEY REMOVAL O, WITH HOLDER. This high quality key operated switch provides secure and reliable control for industrial applications requiring authorized access and operation. Key Features Switch Configuration: 22mm round plastic actuator 2 switch positions (O I configuration) Latching operation for