Limited duty geared jackshaft for small rolling doors, shutters and grilles.


  • 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
  • 1/2 HP high starting torque, instant reversible motor protected by internal automatic thermal overload device
  • Motor removable without affecting limit settings
  • Heavy duty worm gear reduction in oil bath gearbox
  • #41 roller chain and sprockets on all internal drives
  • Emergency floor level disconnect for manual operation
  • Manual override drive device for jammed doors
  • Chain keeper
  • Left or right hand mounting(must specify at time of order)
  • #41 roller chain and sprockets on final drive
  • Patented Mechanical load sensing feature(optional)will detect a locked or jammed door and stop unit from operation
  • Baked on dark grey coat finish
  • Shipping weight: 55 lbs

Circuit options

1 (M)

  • Heavy duty relays(1-phase)or heavy duty reversing contactor with mechanical and electrical interlock(3-phase)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


  • Heavy duty relays(Not available in US or other areas where UL325 (2010) is mandated)
  • C2 factory wiring standard(constant pressure close), B2 wiring can be field set by moving 1 jumper. Provisions for standard reversing devices.