Barber Colman EA-52 Valve Actuator EA52
BRAND NEW OR REBUILD
The EA50 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? feedback slidewire and a single SPDT switch. All models, except those with transformers, are UL/cUL listed. The EA50 are compatible with the VB-7000 and VB-9000 valves.
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
toclose one contact and open 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.
EA52-00000-000-0-00: Contact Controlled, 120Vac/60Hz, 100 Ohm Slidewire Feedback
EA52-21370-000-0-00: 4-20mA Input, Rain Tight Housing, NEMA 4 Cover, 120Vac/60Hz, 100 Ohm Slidewire Feedback
EA52-00370-000-0-00: Contact Controlled, NEMA 4 Cover, 120Vac/60Hz, 100 Ohm Slidewire Feedback
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