Functional Devices RIBMNLB-2NO SKU: RIBMNLB-2NO $83.10 $166.20 Quantity -+ Add to Shopping Cart Limited Factory Stock Details Functional Devices RIBMNLB-2NO : 2.75" Track Mount AHU Fan Safety Alarm and General Purpose Logic Circuit, 24 Vac Power Input, 2 Alarm Inputs with N/O... Data Sheet DetailsData Sheet Back Functional Devices RIBMNLB-2NO : 2.75" Track Mount AHU Fan Safety Alarm and General Purpose Logic Circuit, 24 Vac Power Input, 2 Alarm Inputs with N/O Outputs , Made in USA, UL Listed Back