Piezo switch Dimensions ? x H: 20 x 14.2 mm Temperature range: -20 ... +60 °C Colour: Green Contacts: 1 Make Contact (NO) Housing Material: Anodized / Aluminium (Al) Illumination: No Protection rating: IP67 Switching type: Impulse Function, Piezo Principle Termination type: Blade Terminal 6.3 x 0.8 mm Flush-mounted ?: 16 mm Rated voltage: 32 VAC / 48 VDC