Pushbutton Switch, Vandal Proof Dimensions ? x H: 22 x 25 mm Temperature range: -30 ... +70 °C LED: 2 VDC (3 V max) 10 mA Contact material: Au Plated Contacts: 1 Make Contact (NO) Housing Material: Stainless Steel Illumination: Yes Light colour: Red Protection rating: IP67 Switching type: Momentary Function Termination type: Screw Connection Flush-mounted ?: 19.2 mm Illumination Supply Voltage: 2 VDC Rated voltage: 24 VDC