PB23 contactless door exit button.

Dimensions: 115 (P) x 70 (L) x 29 (K) mm Power supply: DC 12V Maximum contact load: 12–28 V, 3 A. Output contacts: NO/NC/COM (Normally Open/Normally Closed). Mechanical lifespan: 500,000 cycles. Operating temperature: -20°C kuni 55°C Detection range: 0,1–10 cm Compatible mounting base: BOXPB23.