Functional Devices Announces Improvements to their Air Handling Unit Fan Safety Alarm Circuits
Our AHU Fan Safety Alarm Circuits feature a 24 Vac/dc power input, one master relay, and a choice of either six (RIBMNLB-6NO), four (RIBMNLB-4NO), or
Our AHU Fan Safety Alarm Circuits feature a 24 Vac/dc power input, one master relay, and a choice of either six (RIBMNLB-6NO), four (RIBMNLB-4NO), or