Eurotherm EA70 High Torque Actuators Barber Colman EA71, EA72, EA73, EA74, EA75, EA76



In stock

EA71: Click Dropdown for Models







Eurotherm EA70 High Torque Actuators:

EA71, EA72, EA73, EA74, EA75, EA76

Eurotherm EA70 Datasheet (PDF)


The Eurotherm EA70 high torque actuator will position a heavy damper, globe valve, blast gate, air or gas valve. It can be used for vortex control and hydraulic coupling, and will drive a speed changing screw or slide gate requiring a torque proportional actuator.



  • Proportional actuators with built-in feedback potentiometer
  • Open/Close contact closure input
  • 120Vac and 240Vac models available
  • SPDT auxiliary switch standard
  • 550, 1100, 1300 in-lbs torque
  • Compatible with VB series valves


Standard features include 100 ž feedback slidewire and a single SPDT switch. Weather resistant models are NEMA 4. All models, except those with tranformers, are UL/cUL listed. The EA70 is compatible with the VB-7000 and VB-9000 valves in this catalog.


Control Action: Floating. Requires SPDT switch with floating (center off) position rated at 3 amps.
Proportional electric with slidewire feedback.
Connections: Coded screw terminals.
Shaft Rotation: Reversible proportional can stop at any point in the stroke.
Auxiliary Switch: Adjustable SPDT snap acting. Factory set to close one contact and open the other at end of clockwise rotation.
Ambient Temperature: 40 to 130ÞF (-40 to 54ÞC).
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 recommended
Valve – upright with actuator above centerline of valve body.
Dimensions: 9-9/16″ H x 9-1/2″ W x 10-1/2″ D
Weight: 30 lbs.
Power Consumption: 190W

Additional information

Weight 25 lbs
Dimensions 15 × 15 × 11 in

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