30mm Anti-Vandal Key Lock Switches Anti-vandal key lock switches with ring illumination for indication. Three LED voltage types are available; 12V, 24V and 220V The illumination shows red when the switch is in the off position and green in the on position. The switches have an impact resistance rating of IK03, and a front panel protection rating of IP40. They are supplied with an LED resistor to protect from forward voltage fluctuations.The switch body and button are constructed from stainless steel with a varnish finish. Electrical life: 50000 make and break operations at full loadPanel cut-out diameter: 30.2 mmKeys can be removed in all positions