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HMPB Series 500 lbs (2,224 N)


  • TUBE RESTRAINING TORQUE: 60 in-lbf (6.7 Nm)
  • DESIGN: Acme Screw
  • TEMPERATURE RANGE: 25ºF to 120ºF (-29ºC to 50ºC) (Special low temperature grease available)
  • ENVIRONMENT: IP50 protection standard (IP52 optional)

Download product overview

Specifications, dimensions and part numbers

Features & Benefits

  • Heavy duty design for long life in tough applications
  • Patented spring brake
  • Aluminum housing and outer tube
  • Steel translating tube - zinc chromate plated
  • Double clevis mounting
  • Internal adjustable limit switches
  • Automatic reset thermal overload motor protection


  • Potentiometer
  • Capacitor
  • Weather resistant sealant – IP52
  • Bellows boot
  • Threaded end

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