NEXTEK "ESR" Series Actuator is a Spring Return electric actuator providing protection in an event of system failure or power loss. A mechanical spring set is utilized to position the controlled device to either a sully open or fully closed position without any external power source. 

  • Heavy duty, fully enclosed high performance motor rated for On/Off & modulating service
  • Mechanical buffer utilized at the end of the spring stroke to reduce dynamic effects of spring system
  • NEMA 4X or NEMA 7 (Hazardous) certified enclosure with ISO 5211 design for universal mounting
  • Corrosion protection with thermally bonded polyester coating
  • All motors feature integral thermal overload protection
  • Designed for operation in temperatures from -22°F to 150°F
  • All models feature a manual override, ISO mounting pad and are wired for light indication
  • Optional clutchless manual override

 

SVF "ESR-Series" Electric Actuators

 


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