Industrial continuous duty worm gear Jackshaft with emergency chain hoist

Designed for use on all rolling doors and grilles and large sectional doors with high or vertical lift track.



  • 24V class 2 control circuit with 40VA transformer to protect against short circuit
  • External radio control terminal strip
  • Low friction powder metal limit cam nuts with fully adjustable rotary type limit switch assembly
  • Three button open-close-stop control station Nema-1
  • Continuous duty industrial motor with external reset overload protection (1 phase) or external thermal overload relay motor protection (3-phase)
  • Motor removable without affecting limit settings
  • Heavy duty worm gear reduction in oil bath gearbox
  • 1.5 second time delay on all open functions standard on 1.5, 2, 3, and 5 HP
  • Solenoid brake standard
  • #50 roller chain and sprockets on final drives
  • Emergency chain hoist with electrical cut-out switch for manual operation
  • Chain keeper
  • Universal Left or right hand mounting
  • Baked on dark grey coat finish
  • Shipping weight: 115 lbs
Circuit options



  • Heavy duty relays reversing contactor with mechanical & electrical interlock incorporating the new UL325 (2010) Interface module.
  • C2 factory wiring standard (constant pressure close),
    B2 wiring can be field set by moving 1 jumper and installing Micanan monitored fail safe photo-eyes (supplied) or (optional) Micanan compatible monitored fail safe electric edge


  • Full function Smart 10.0 Logic control board featuring on-board receiver with antenna, enhanced program selections to include B2, C2, D1, E2, T & TS and supplied with Micanan monitored fail safe photo-cells or (optional) Micanan monitored fail safe electric edge
  • D1 factory ore-set mode of operation standard (constant pressure open & close)


  • Heavy duty reversing contactor with mechanical & electrical interlock. (Not available in US or other areas where UL325 (2010) is mandated)
  • C2 factory wiring standard, B2 wiring can be field se by moving 1 jumper. Provisions for standard reversing devices.
Contact Us

We're not around right now. But you can send us an email and we'll get back to you, asap.