Bacharach USA MGS-402 dual-channel gas detection controllerThe MGS-402 gas detection controller from Bacharach USA is for refrigerant, toxic and combustible gas detection applications. The system is designed for safety compliance in mechanical rooms, cold-storage facilities, walk-in freezers and cold-room applications to 40 degrees below zero. The unit is part of a series of gas detectors that connect through Modbus to up to two remote MGS-410 gas detectors located within 1,000 feet. The MGS-402 is powered by 110-240 volt AC, and it provides three 10A output relays (fault, low alarm and high alarm) to initiate auxiliary ventilation or restrict refrigerant flow
