Commercial limited duty belt drive Jackshaft operator

Designed for use on commercial sectional doors with high or vertical lift track and small rolling grilles that require no more than 15 cycles per hour.



  • 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 limit switches
  • Three button open-close-stop control station Nema-1
  • 1/2HP high starting torque, instant reversible motor protected by internal automatic thermal overload device
  • Heavy duty 4LV-belt
  • #41 roller chain and sprockets on all internal drives
  • Adjustable friction clutch
  • 3/4″ permanently lubricated and sealed ball bearings on pulley shaft
  • 1″ permanently lubricated and sealed bearings on final drive shaft
  • Solenoid brake standard
  • Emergency disconnect with electrical cut-out switch for manual operation
  • Chain keeper
  • Left or right hand mounting
  • #41 roller chain and sprockets on final drive
  • Baked on dark grey coat finish
  • Shipping wight 65 lbs
Circuit options

Circuit options


  • Heavy duty relays 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 compatible 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.
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