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Rotary Actuators

Series 41 and 81 Modutrol IV™ Motor

Series 41 and 81 Modutrol IV™ motors are 2-position (line and low-voltage control, respectively) spring return motors.

Series 41 and 81 Modutrol IV� Motor

Series 41 and 81 Modutrol IV™ motors are 2-position (line and low-voltage control, respectively) spring return motors. They are used to operate normally open (NO) or normally closed (NC) dampers or valves in applications where it is necessary or desirable to have the controlled element return to the starting position in the event of power failure or interruption.

Features & Benefits:
  • Fixed torque throughout the entire voltage range
  • Integral junction box provides NEMA 3 weather protection
  • Motor and circuitry operate from 24V AC; models available with factory installed transformer, or a field added internal transformer
  • Quick-connect terminals are standard (screw terminal adapter is available)
  • Adapter bracket for matching shaft height of older motors is available
  • Die-cast aluminum housing
  • Motors have auxiliary switch cams
  • Integral auxiliary switches are available factory mounted, or can be field added
  • Motors have dual shafts (slotted and tapped on both ends)
  • Nominal timing standard of 30 seconds (90° stroke), and 60 seconds (160° stroke); other timings available
Certifications:
  • UL Listed: File No. E4436, Guide No. XAPX for USA and Canada
  • U.S. Patents Pending

Others

  • Angle of Rotation
    • 160
  • Runtime
    • 30 second (time unit)
    • 30 to 60 second (time unit)
  • Power Loss Action
    • Spring return
  • Minimum Operating Ambient Temperature
    • -40
  • Number of End Switches
    • 0
  • Mounting Type
    • Foot-mounted
  • Application
    • HVAC
  • Maximum Operating Ambient Temperature
    • 60
    • 150

Others

  • Angle of Rotation
    • 160
  • Runtime
    • 30 second (time unit)
    • 30 to 60 second (time unit)
  • Power Loss Action
    • Spring return
  • Minimum Operating Ambient Temperature
    • -40
  • Number of End Switches
    • 0
  • Mounting Type
    • Foot-mounted
  • Application
    • HVAC
  • Maximum Operating Ambient Temperature
    • 60
    • 150
  • Angle of Rotation : 160
  • Runtime : 30 second (time unit)|30 to 60 second (time unit)
  • Power Loss Action : Spring return
  • Minimum Operating Ambient Temperature : -40
  • Number of End Switches : 0
  • Mounting Type : Foot-mounted
  • Application : HVAC
  • Maximum Operating Ambient Temperature : 60|150
Image
SKU
Description
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M4185A1001/U
Modutrol IV Motor, 2-Position, NC Spring Return, Dual-Ended
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M4185E4014/U
Modutrol IV Motor, 2-Position, NC Spring Return, Dual-Ended, 1 Auxiliary Switch, 120V, 160 Degree Stroke
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M4185C1007/U
Modutrol IV Motor, 2-Position, NC Spring Return, 2 Auxiliary Switch, 120V
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M8185D1006/U
Spring Return Foot Mounted Actuator, 60lb-in, On/Off SPST
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M4185E4006/U
Modutrol IV Motor, 2-Position, NC Spring Return, Dual-Ended, 1 Auxiliary Switch, 24/120/230V, 160 Degree Stroke
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M4185B1058/U
Modutrol IV Motor, 2-Position, NC Spring Return, Dual-Ended, 1 Auxiliary Switch, 24/120/230V, 90 Degree Stroke
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M4185B1009/U
Modutrol IV Motor, 2-Position, NC Spring Return, Dual-Ended, 1 Auxiliary Switch, 120V