Johnson Controls

Johnson Controls Early Servo Drive Actuator Motor Controller HVAC Building

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SKU:
27401
MPN:
N/L
Condition:
Used
Availability:
Usually ships within 1-2 business days.
Weight:
10.00 LBS
Shipping:
Calculated at Checkout
  • Johnson Controls early servo drive actuator – right-side view showing output shaft and label with part markings
  • Johnson Controls early servo drive actuator – left-side view showing brand label and two dome-head fasteners
  • Johnson Controls early servo drive actuator – front-left view showing output shaft, dome fasteners, and HAMILTON marking on base
  • Johnson Controls early servo drive actuator – open view with access panel removed showing internal DC motor, gear assembly, and control PCB
  • Johnson Controls early servo drive actuator – close-up of internal control board showing potentiometer, transistor, diodes, and PCB traces
$125.00
Was: $250.00
Current Stock: 1

Sold Out

Description

Johnson Controls Early Servo Drive Actuator Motor Controller HVAC Building

Early-generation servo drive controller from Johnson Controls used for automated damper and valve actuation in building HVAC systems. Features an integrated control board with potentiometer feedback and a visible output shaft for mechanical linkage.

Specifications & What's Included

  • Brand: Johnson Controls
  • Type: Servo Drive Actuator Motor Controller
  • Application: HVAC damper and valve control
  • Die-cast aluminum enclosure with steel cover plate
  • Integrated PCB with potentiometer feedback
  • Compact surface-mount form factor
  • Includes access panel, cover plate, and mounting hardware
  • Made in United States

Applications

This servo drive type was used for proportional control of HVAC dampers and valves in commercial building automation systems. Common in legacy Johnson Controls systems for zone control and air handling unit modulation. Compatible with building management systems requiring electric actuation feedback and proportional positioning.

Condition: Used
This Johnson Controls early servo drive actuator has been inspected and is in good used condition. The aluminum housing shows light surface wear and scuffing consistent with prior installation use. Both dome-head fasteners are present, the output shaft is intact, and the internal control board and motor assembly are complete. The removable access panel and its mounting hardware are included. Please view our photo set and contact us if you have any questions.
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Warranty Information

We stand behind every item we sell with a 30-day money-back guarantee. If your item arrives not as described, you may return it within 30 days for a full refund. Please inspect your purchase upon arrival and contact us with any questions.
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Additional Information

Brand:
Johnson Controls
Model:
Early Servo Drive
Type:
Servo Drive Actuator
SKU:
27401
Condition:
Used – Inspected and Tested
Seller Notes:
Includes access panel/cover plate and mounting hardware visible in photos.
Application:
HVAC Building Automation, Damper or Valve Control
Form Factor:
Compact Box / Surface Mount
Drive Type:
Electric Servo Drive
Control Board:
Integrated PCB with potentiometer feedback
Output Shaft:
Visible output shaft on side of enclosure
Enclosure Material:
Die-cast aluminum body with steel cover
Country/Region of Manufacture:
United States
Condition Notes:
Johnson Controls early servo drive actuator. Inspected and in good used condition. Housing shows light surface wear. Internal motor, control board, and access panel all present and complete.
California Prop 65 Warning:
WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
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