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EA40 Standard Series Low Torque Spring Return Rotary Actuator

The EA40 spring return actuator, will proportionally position a fuel valve, butterfly valve, damper and other similar devices. The output shaft is power operated in both directions. An internal electrical holding circuit maintains the proper damper position at setpoint. The enclosed spring drives the output shaft and gear train to return the damper to a normal position on power interruption.

Standard features include 100 ohm internal feedback slidewire and single internal SPDT switch.

All models are UL/cUL listed.

The EA40 is compatible with the VB-7000 and VB-9000 valves in this catalog.

 

FEATURES:

  • Proportional actuators with built-in feedback potentiometer
  • Open/Close contact closure input
  • 24Vac, 120Vac and 240Vac models available
  • 50 in-lbs torque
  • Compatible with VB series valves

TECHNICAL SPECIFICATIONS

Control Action: Control Action: Floating. Requires SPDT switch with floating (center off) position rated at 0.9 amps.
  Proportional electric with slidewire feedback.
Connections: Coded screw terminals.
Shaft Rotation: Reversible proportional can stop at any point in the stroke. Adjustable 45-320º
Spring Return: To normal position on power interruption.
Auxiliary Switch: Adjustable SPDT snap acting. Factory set to close one contact and open other at end of clockwise rotation.
Ambient Temp: -40 to 136°F (-40 to 58°C).
Humidity: 5 to 95% rh, non-condensing.
Case: Die cast aluminum with two 1/2" conduit knockouts each side.
Motor and Gear Train: Oil immersed
Mounting: Damper-upright, Valve-upright with actuator above centerline of valve body.
Dimensions: 7" H x 5-3/8" W x 8-1/8" D
Power Consumption: 40W
Weight: 8 lbs.

 

 

Downloads

Brochure & Specification Sheet

User Documentation (download requires registration)

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