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Overview

25 lb-in. spring return damper actuators provide two-position, three-position, floating, or modulating control of economizer systems, ventilation dampers and combustion air dampers used in residential or commercial HVAC equipment.

Features

  • Synchronous Motor.
  • Quiet, high efficiency drive motor.
  • Spring returns motor shaft to normal position in the event of power failure.
  • High impact, glass-fiber reinforced plastic case is rugged, lightweight and corrosion resistant.
  • Uses Q298B Linkage.

Product Specifications

Dimensions (in.)
4 1/2 in. high x 5 in. wide x 5 3/16 in. deep
Dimensions (mm)
114 mm high x 127 mm wide x 132 mm deep
Used With
W7459C
Weight (lb)
3 lb
Materials
UL94-5V plastic housing
Comments
Vibration-- V2 level
Item Type
Product
Mounting
Foot-mounted
Frequency
50 Hz; 60 Hz
Approvals, Underwriters Laboratories Inc.
Listed File: E4436, Guide: XAPX
Electrical Connections
Quick-connect terminals
Operating Humidity Range (% RH)
5 to 95% RH, non-condensing
Power Consumption
Driving-- 8 VA, Holding-- 3 VA
Operating Temperature Range (F)
-25 F to +125 F
Operating Temperature Range (C)
-32 C to +52 C
Shipping and Storage Temperature Range (F)
-30 F to +150 F
Shipping and Storage Temperature Range (C)
-34 C to +66 C
Timing
Minimum-- 90 sec, Run Time Maximum-- 90 sec
Stroke
Fixed Stroke; Angle of Rotation-- 90 degrees maximum
Control Signal
Three position
Fail Safe Mode
Spring Return
Torque Rating (lb-in.)
25 lb-in.
Torque Rating (Nm)
2.8 Nm
Additional Torque Ratings (lb-in.)
Breakaway-- 40 lb-in.
Additional Torque Ratings (Nm)
Breakaway-- 4.5 Nm
External Auxiliary Switches Available
Yes
Rotation to Open
CCW
Timing, Nominal
Opening-- 90 sec
Spring Return Timing
Nominal-- 18 sec
Feedback
No
Motor shafts
1
Deadweight Load on Shaft
Power End-- 15 lbs max
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