Functional Devices RIBMNLB-6NO SKU: RIBMNLB-6NO $135.90 $271.80 Quantity -+ Add to Shopping Cart Limited Factory Stock Details Functional Devices RIBMNLB-6NO : 2.75" Track Mount AHU Fan Safety Alarm and General Purpose Logic Circuit, 24 Vac Power Input, 6 Alarm Inputs with N/O... Data Sheet DetailsData Sheet Back Functional Devices RIBMNLB-6NO : 2.75" Track Mount AHU Fan Safety Alarm and General Purpose Logic Circuit, 24 Vac Power Input, 6 Alarm Inputs with N/O Outputs , Made in USA, UL Listed Back