Note: Motor mounted on second dimension Zonefirst Power Close/Spring Open 24V
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Part #ZDB 12X18
12"H x 18"W Bottom Mount Damper
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Brand: Zonefirst
Zonefirst® Bottom Mount Zone Damper, Series: ZDB, 12 in H x 18 in W, Rectangular, 24 VAC, 30 sec Powered/8 sec Spring Return Timing, Parallel Blade, MSS Spring Return Synchronous Motor, 4 in Wire Lead, 0 to 150 deg F, Extruded Aluminum, Mill, Domestic.
2 wires, 24V power close or spring returns zone damperCan be reversed in the field to spring close or power open (model: ZDSC)Normally open spring returns with minimum positionCan be converted to normally closedZinc plated linkage arm, delrin bushings35 to 55 in-oz torque5 to 95 percent non-condensing humidityMaximum 1 in WC static pressure0 to 150 deg F operating and -20 to 175 deg F storageMitre angleThe 24 V, hysteresis, synchronous motor has been tested to over 250,000 cycles to provide long life
2 wires, 24V power close or spring returns zone damper
Can be reversed in the field to spring close or power open (model: ZDSC)
Normally open spring returns with minimum position
Can be converted to normally closed
Zinc plated linkage arm, delrin bushings
35 to 55 in-oz torque
5 to 95 percent non-condensing humidity
Maximum 1 in WC static pressure
0 to 150 deg F operating and -20 to 175 deg F storage
Mitre angle
The 24 V, hysteresis, synchronous motor has been tested to over 250,000 cycles to provide long life