Honeywell MS7503A2130 Actuator

The 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