Piezo speaker | Sound pressure: 82 dB | Diameter: 22 mm | Sound frequency: 3.7 kHz
10 - 24V DC | 250 mA (12 V DC) | fail-secure | 200.000 opening cycle | interax: 72 mm | dorn: 55 mm
10 - 24V DC | 250 mA (12 V DC) | fail-safe | 200.000 opening cycle | interax: 72 mm | dorn: 55 mm