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Rotary Actuators

M8405 Spring Return 3-Position Motor

M8405 25 lb-in. spring return damper actuators provide 3-position control of economizer systems, ventilation dampers and combustion air dampers used in residential or commercial HVAC equipment.

M8405 25 lb-in. spring return damper actuators provide 3-position control of economizer systems, ventilation dampers and combustion air dampers used in residential or commercial HVAC equipment.

Features & Benefits:
  • 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
Certifications:
  • UL Listed File: E4436, Guide: XAPX

Others

  • Maximum Operating Ambient Temperature
    • 52
    • 125
  • Runtime
    • 90 second time unit
  • Minimum Operating Humidity
    • 5
  • Maximum Operating Humidity
    • 95
  • Minimum Operating Ambient Temperature
    • -32
    • -25
  • Power Loss Action
    • Spring return
  • Maximum Return Timing
    • 18 second time unit
  • Number of End Switches
    • 0
  • Mounting Type
    • Foot-mounted
  • Angle of Rotation
    • 90
  • Brand
    • Honeywell BMS NA
  • Application
    • HVAC

Others

  • Maximum Operating Ambient Temperature
    • 52
    • 125
  • Runtime
    • 90 second time unit
  • Minimum Operating Humidity
    • 5
  • Maximum Operating Humidity
    • 95
  • Minimum Operating Ambient Temperature
    • -32
    • -25
  • Power Loss Action
    • Spring return
  • Maximum Return Timing
    • 18 second time unit
  • Number of End Switches
    • 0
  • Mounting Type
    • Foot-mounted
  • Angle of Rotation
    • 90
  • Brand
    • Honeywell BMS NA
  • Application
    • HVAC
  • Power Loss Action : Spring return
  • Maximum Return Timing : 18 second time unit
  • Number of End Switches : 0
  • Mounting Type : Foot-mounted
  • Angle of Rotation : 90
  • Brand : Honeywell BMS NA
  • Application : HVAC
  • Maximum Operating Ambient Temperature : 52|125
  • Runtime : 90 second time unit
  • Minimum Operating Humidity : 5
  • Minimum Operating Ambient Temperature : -32|-25
  • Maximum Operating Humidity : 95
Reference Guides
Name
Description
File Size
Date
Size
Motor-Actuator Selection Guide
application/pdf 724.82 KB
4/7/2022
724.82 KB
Modutrol IV Motor Cross Reference
application/vnd.ms-excel 637 KB
2/17/2022
637 KB
Economizers- Quick Selection Guide
application/pdf 339.48 KB
2/17/2022
339.48 KB
System Engineering Guide
application/pdf 1.66 MB
2/17/2022
1.66 MB
Data Sheet
Name
Description
File Size
Date
Size
Product Data
application/pdf 550.54 KB
2/17/2022
550.54 KB
Engineering Specifications
Name
Description
File Size
Date
Size
Specification Data Sheet
application/pdf 620.52 KB
2/17/2022
620.52 KB
Name
Description
File Size
Date
Size
Motor-Actuator Selection Guide
724.82 KB
4/7/2022
724.82 KB
Modutrol IV Motor Cross Reference
637 KB
2/17/2022
637 KB
Economizers- Quick Selection Guide
339.48 KB
2/17/2022
339.48 KB
Product Data
550.54 KB
2/17/2022
550.54 KB
System Engineering Guide
1.66 MB
2/17/2022
1.66 MB
Specification Data Sheet
620.52 KB
2/17/2022
620.52 KB
Image
SKU
Description
alt
M8405A1006/U
Foot Mount Damper Actuator, Spring Return, 25 lb-in, 24 Vac, 3-Position, CCW Operation
alt
M8405A1006/B
Foot Mount Damper Actuator, Spring Return, 25 lb-in, 24 Vac, 3-Position, CCW Operation, Bulk Pack