25 lb-in, SR , Thermistor Modulating Black Motor, 24V

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

W7459 Economizers; W7460 Economizers

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-- 5 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

Thermistor, Modulating

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

CW

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

This item has no supplemental files.