EA40-A Series Spring Return Rotary Actuator

Brand: Eurotherm
Does not ship to United States

EA40-A series actuators can proportionally position fuel valves, butterfly valves, dampers and other similar devices. An electrical holding circuit maintains position when at setpoint.

The enclosed spring drives the actuator to the closed position on power interruption.

The direction of the spring return is fixed and cannot be field changed.

The direction of travel with increasing signal is field selectable as with the other Analog input models.
  • Analog input proportional control signal
  • Spring return to normal position on power interrupt
  • 24 Vac, 120 Vac and 240 Vac models available
  • Switch selectable 90° or 180° stroke
  • 50 in-lbs torque
  • Compatible with VB series valves



Ambient Temperature Range

  • -40° to 58° C (-40° to 136° F)

Approvals & Certifications

  • UL (C,US)


  • Power Consumption: 40 W

Enclosure, Body Material

  • Die Cast Aluminum

Environmental Protection

  • IP66
  • NEMA 4


  • 50 Hz
  • 60 Hz


  • 5 to 95 % Relative Humidity, Non-Condensing

Mounting Position

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


  • Slidewire: 1,000 ohms


  • 50 In/Lbs


  • 24-240 Vac
show more