Functional Devices RIBMNLB-4 RIB® Fan Safety Alarm Circuit RIBMNLB-4, 2.75", 24VAC, 4 Inputs
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MODELS RIBMNLB-6, RIBMNLB-4, AND RIBMNLB-2; AND RIBLB-6, RIBLB-4, AND RIBLB-2 ARE SIMPLY DEVICES THAT COMBINE A COMMON RELAY-LOGIC FUNCTION INTO A SMALL, EASY-TO-INSTALL, AND LESS EXPENSIVE FORM.A MASTER RELAY WILL OPEN IF ANY ONE OF THE NORMALLY-CLOSED (N/C) INPUTS OPEN. THERE ARE SIX, FOUR, OR TWO INPUTS DEPENDING ON THE MODEL CHOSEN. LED STATUS OF ALL INPUTS, THE MASTER RELAY, AND POWER INPUT IS PROVIDED. BYPASS OF UN-USED INPUTS IS ALSO PROVIDED. THE RIBMNLB SERIES IS PROVIDED WITH MOUNTING TRACK FOR MOUNTING IN USER-PROVIDED ELECTRICAL ENCLOSURES. THE RIBLB SERIES IS ENCLOSED IN A NEMA-1, 4" X 7" ENCLOSURE WITH A CLEAR LID TO ALLOW VIEWING OF THE STATUS LEDS. THE MASTER RELAY HAS THREE GENERAL-PURPOSE OUTPUTS TWO 24 VAC OUTPUT TERMINALS AND ONE DRY-CONTACT OUTPUT RATED UP TO 10 AMP 277 VAC (TERMINALS ON RIBMNLB SERIES, WIRES ON RIBLB SERIES.) THE MOST COMMON APPLICATION IS AN AIR HANDLING UNIT (AHU) FAN-SAFETY-SHUTDOWN WHERE THE MASTER RELAY IS USED TO SHUTDOWN THE FAN. CONTACT CLOSURE OUTPUTS ARE PROVIDED SO THAT A DDC CONTROLLER CAN DETERMINE THE CAUSE OF A SHUTDOWN. MADE IN THE USA.
Priced unit of measure: Each not Pack
Minimum/Multiple for Order: 1
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