Push-button Switch, vandal-proof Temperature range: -20 ... +85 °C Contact material: Ag-Alloy (CD Free) Contacts: 1 Make Contact (NO) Housing Material: Brass (CuZn) / Nickel-Plated Illumination: No Protection rating: IP65 Series: AV Switching type: Momentary Function Termination type: Blade Terminal Connection Flush-mounted ?: 16 mm Rated voltage: 36 VDC