EA20 Series Non-Spring Return Rotary Actuator

Brand: Eurotherm
Does not ship to United States

In conjunction with primary loop controllers, these low torque non-spring return actuators proportionally position fuel valves, butterfly valves, dampers or other similar devices. 

The output shaft moves in both directions and can stop at any point in the stroke.

Four models are available featuring a standard 100 Ohms internal feedback slidewire and a selection of travel times and rotation limits. 

Not available with end limit switches, some models have auxiliary switches and a variety of optional features. 

The EA20 Series is UL and cUL or CSA listed, except for models with built-in transformers.
  • Proportional actuators w/ built-in feedback potentiometer
  • Open/Close contact closure input
  • 240/120/24 Vac models available
  • 50 in-lbs torque, optional NEMA 4
  • Compatible with VB series valve


Approvals & Certifications

  • CSA
  • UL (C,US)


  • Power Consumption: 28 W

Control Functions Characteristics

  • Control Action: Floating
  • Control Action: Proportional Eletric

Enclosure, Body Material

  • Die Cast Aluminum

Environmental Protection

  • IP66
  • NEMA 4


  • 50 Hz
  • 60 Hz


  • 5 to 95 % Relative Humidity, Non-Condensing


  • 2-20 mA DC

Mounting Position

  • Upright


  • Slidewire: 100 to 1,000 ohms


  • Shaft Rotation: 180° Travel Limit
  • Shaft Rotation: Reversable Proportional 90°

Switch Type

  • Auxiliary Switch: Adjustable SPDT Snap Acting

Temperature Range

  • -40° to 58° C (-40° to 136° F)


  • 50 In/Lbs


  • 24-240 Vac
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