EA50/60 Series Non-Spring Return Rotary Actuator

Brand: Eurotherm
Does not ship to United States

The EA50 and EA60 medium torque actuators are ideal for proportional positioning of a fuel valve, butterfly valve, damper and similar applications.

Units are available with either fixed or adjustable speed.

Timing of adjustable speed units can be increased (decreasing the speed) by turning a slotted adjustment screw on the outside of the case.

Adjust range is approximately ten times rated.

Standard features include a 100 Ohms feedback slidewire and a single SPDT switch.

All models, except those with transformers, are UL/cUL listed.

The EA50 and EA60 are compatible with the VB-7000 and VB-9000 valves in this catalog.
  • Proportional actuators w/ built-in feedback potentiometer
  • Open/Close contact closure input
  • 24 Vac, 120 Vac, and 240 Vac
  • 60, 220, and 450 in-lbs torque
  • Compatible with VB series valves



Ambient Temperature Range

  • -40° to 58° C (-40° to 136° F)

Approvals & Certifications

  • UL (C,US)

Control Functions Characteristics

  • Control Action: Floating, Requires SPDT Switch with Floating (Center Off) Position Rated at 9 A. Proportional Electric with Slidewire Feedback

Electrical Connectors

  • Coded Screw Terminals

Electrical Contacts

  • Normally Closed
  • Normally Open

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

  • Damper: Upright
  • Valve: Any Upright Position with Actutator Above Centerline of Valve Body


  • Slidewire: 100 to 1,000 ohms


  • Shaft Rotation: Reversable Proportional Can Stop at any Point in the Stroke. Adjustable 45° to 320°

Switch Type

  • Auxiliary Switch: Adjustable SPDT Snap Acting


  • 60 to 450 In/Lbs


  • Motor Volt: 24-240 Vac
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