Actuators > ER Series



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The ER Series electric actuator provides economical, compact electrical automation for quarter-turn valves. The ER Series are high quality, economically priced, reversing quarter-turn actuators ideal for automating ball and butterfly valves. They offer compactness and a rugged design to develop high torque in minimum space. They are available in thirteen listed sizes from 100 in-lb to 14040 in-lb torque. The ER Series has many standard features, as well as a full range of optional features. Terminal strips in all sizes allow easy and efficient wiring. A wiring diagram is always furnished inside the actuator housing. |
Features & Benefits



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Heavy duty gears can withstand stall conditions |
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Permanent lubrication means little or no maintenance |
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Cam-adjusted SPDT limit switches permit independent setting of open and closed positions |
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Actuators can be mounted and operated in any position |
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Reversing motors enable actuators to be used on diverse valve types and in a wide range of applications |
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Rugged die cast aluminum housing, thermally bonded polyester coating, and stainless steel fasteners provide a high degree of corrosion protection |
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Factory wired for light indication of valve position *using open and closed limit switches and motor current; current different than motor requires auxiliary limit switches) |
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Thermal overload protects motor should the actuator become stalled |
Download More Information


ER Series Cutsheet
ER Series I & M
Wiring Diagrams (Common Options include heater, thermostat, brake, and - for some wiring diagrams - auxiliary limit switches
115 VAC ER Actuator w/Common Options (26-01275)
115 VAC ER Actuator w/2 Aux. L.S. & Common Options (26-01276)
115 VAC ER 3-position Actuator (used for Multiport Valves & Dribble Controls) (26-01277)
115 VAC ER Actuator with Timer Option (26-01278)
115 VAC ER Actuator with Speed Control & Common Options (26-01279)
115 VAC ER Acuator with 4-20 mA Position & Common Options (26-01280)
12/24 VDC ER1-ER3 Actuator (26-01281)
12/24 VDC ER1-ER3 Actuator w/Reversing Relay Option (26-01282)
12/24 VDC ER Actuator w/4-20 mA Positioner Option (26-01283)
115 VAC ER Spring Return Acuator, Fail Close
(26-01284)
115/220 VAC ER50-ER140 Actuator w/Common Options (26-01285)
Condensed Catalog
For More Information



Find Your Local Representative
Request Literature
Search by Series
Marwin Spec Sheet
Actuator Sizing Program
Valve Sizing Program
ER Series I & M
Wiring Diagrams (Common Options include heater, thermostat, brake, and - for some wiring diagrams - auxiliary limit switches
115 VAC ER Actuator w/Common Options (26-01275)
115 VAC ER Actuator w/2 Aux. L.S. & Common Options (26-01276)
115 VAC ER 3-position Actuator (used for Multiport Valves & Dribble Controls) (26-01277)
115 VAC ER Actuator with Timer Option (26-01278)
115 VAC ER Actuator with Speed Control & Common Options (26-01279)
115 VAC ER Acuator with 4-20 mA Position & Common Options (26-01280)
12/24 VDC ER1-ER3 Actuator (26-01281)
12/24 VDC ER1-ER3 Actuator w/Reversing Relay Option (26-01282)
12/24 VDC ER Actuator w/4-20 mA Positioner Option (26-01283)
115 VAC ER Spring Return Acuator, Fail Close
(26-01284)
115/220 VAC ER50-ER140 Actuator w/Common Options (26-01285)
Condensed Catalog
For More Information
Find Your Local Representative
Request Literature
Search by Series
Marwin Spec Sheet
Actuator Sizing Program
Valve Sizing Program




