- calibration gas: hydrogen
- detection range 0...100% LEL
- alarm 1: 10% LEL
- alarm 2: 25% LEL
- visual and sound alarm
- two SPDT relays 250 VAC / 30 VDC, 5 A max
- automatic release
- UART digital interface
- enclosure, 90×145×55 mm, IP65
- magnetic key switching
- wall mount, attached sensor
- 24 VAC/DC
