Central control unit SE194K/SE293K

The central panels are equipped with three led bars that indicate the reached gas concentration, The green led indicates fresh air, the first and second red leds indicate pollution and the third and fourth red leds indicate the switching on of the alarm relay. The yellow led indicate an anomaly of the system and it operate on the fault relay. Standard Specification: Power supply: 230Vac 50-60Hz 12Vcc - Installation: Wall Absorption: 10 VA Alarm level: 10% LIE - 20% LEL - Measuring range: 0÷20% LEL N° 3 safety positive relay with alarm memory for all sensors A led bar indicate the reached gas concentration;1 for each sensor IP54