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EA50 & EA60 Standard Series, Medium Torque Non-Spring Return Rotary Actuator

The EA50 and EA60, medium torque actuator is 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 100ž 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.

 

FEATURES:

  • Proportional actuators with built-in feedback potentiometer
  • Open/Close contact closure input
  • 24Vac, 120Vac and 240Vac models
  • 60, 220 and 450 in-lbs torque
  • Compatible with VB series valves

 

TECHNICAL SPECIFICATIONS

 

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
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 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 recommended.
  Valve – upright with actuator above centerline of valve body.
Dimensions: 7" H x 5-3/8" W x 6-5/16" D
Weight: 8 lbs.
Power Consumption: 45W

 

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