EA50/60 Series Non-Spring Return Rotary Actuator
Brand: EurothermThe 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.
Features- 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
Specifications
Brand
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
Frequency
- 50 Hz
- 60 Hz
Humidity
- 5 to 95 % Relative Humidity, Non-Condensing
Input
- 2-20 mA DC
Mounting Position
- Damper: Upright
- Valve: Any Upright Position with Actutator Above Centerline of Valve Body
Resistance
- Slidewire: 100 to 1,000 ohms
Rotation
- Shaft Rotation: Reversable Proportional Can Stop at any Point in the Stroke. Adjustable 45° to 320°
Switch Type
- Auxiliary Switch: Adjustable SPDT Snap Acting
Torque
- 60 to 450 In/Lbs
Voltage
- Motor Volt: 24-240 Vac