HONEY WELL

Direct Coupled Actuator 3 Nm Spring Return

Condition: New

Size: 24 VAC

Color: Grey

MPN/Model: MS7503A2030

Description:  MS7503 is a 27 lb-in (3Nm), spring return direct-coupled, line voltage actuator that accepts on/off (SPDT) or modulating (0/2-10 Vdc) control for: air dampers, air handlers, ventilation flaps, louvers, and ball valves.

Features:

• Brushless DC submotor with electronic stall protection on all models

• Self-centering shaft adaptor (shaft coupling) for wide range of shaft sizes

• Models available for use with two-position, SPST, line- (Series 40) or low- (Series 80) voltage controls

• Models available for use with floating or switched SPDT (Series 60) controls

• Models available for use with proportional current or voltage (Series 70) controls

• Models available with combined floating and modulating control in a single device

• Models available with an internal end switch

• Models available with three-foot, 18 AWG color-coded cable

• Access cover to facilitate connectivity

• Durable plastic housing with built-in mechanical end limits

• Spring return direction field selectable

• Shaft position indicator and scale

• UL (cUL) listed and CE compliant

• All models are plenum rated per UL873

Specifications:

• Torque/Force (lb-in., lbf): 27 lb-in.

• Torque/Force (Nm, N): 3 Nm

• Fail Safe Mode: Spring Return

• Control Signal: Floating

• Control Signal: SPDT

• Control Signal: On/Off

• Control Signal: (0)2-10 Vdc (4-20 mA w/500 ohm resistor)

• Supply Voltage: 24 Vac/dc

• Number of Internal Auxiliary Switch: 0

• External Auxiliary Switches Available: No

• Shaft Adapter Type: Self-centering clamping

• Feedback: (0)2-10 Vdc

• Manual operation: N/A

• Spring Return Torque/Force (lb-in., lbf): 27 lb-in

• Spring Return Torque/Force (Nm, N): 3 Nm

• Maximum Stall Torque/Force (lb-in., lbf): 70 lb-in.

• Maximum Stall Torque/Force (Nm, N): 8 Nm

• Mounting: Direct Coupled

• Rotational Stroke: 95 ±3 Degrees

• Rotational Stroke Adjustment: Mechanically limited 5 ° increments

• Rotation to Open: By switch

• Spring Return Direction: By orientation

• Timing, Maximum Spring Return (sec): 25 sec

• Timing, Nominal Driving @ 60 Hz (sec): 90 sec

• Dimensions (in.): 6-81/54 high x 3-55/84 wide x 3-5/32 deep

• Compatible Damper Shafts (in.): 3/8" to 5/8" round or 1/4" to 1/2" square

• Materials: Plenum rated plastic housing

• Power Consumption (Driving): 6/3 VA

• Input Impedance: Min. 95 k Ohm

• Electrical Connections: Enclosed screw terminal strip (22 to 14 AWG)

• Maximum Noise Rating, Driving (dB(A) @ 1m): 40

• Maximum Noise Rating, Holding (dB(A) @ 1m): 20 (no audible noise)

• Environmental Rating: NEMA2

• Ingress Protection Rating: IP54

• Includes: Mounting bracket, self-centering shaft adapter