Barber Colman EA-51 Valve Actuator EA51
90 Degree Travel Limit, 12 Sec Travel Time (adjustable), 60 in-lbs Torque
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.
EA51-00000-000-0-00: Contact Controlled, 120Vac/60Hz, 100 Ohm Slidewire Feedback
EA51-00001-000-0-00: Contact Controlled, 120Vac/50Hz, 100 Ohm Slidewire Feedback
EA51-00003-000-0-00: Contact Controlled, 240Vac/60Hz, 100 Ohm Slidewire Feedback
EA51-00004-000-0-00: Contact Controlled, 240Vac/50Hz, 100 Ohm Slidewire Feedback
EA51-21370-000-0-00: 4-20mA Input, Rain Tight Housing, NEMA 4 Cover, 120Vac/60Hz, 100 Ohm Slidewire Feedback
EA51-00370-000-0-00: 4-20mA Input, NEMA 4 Cover, 120Vac/60Hz, 100 Ohm Slidewire Feedback
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