PRO-LHA

COMMERCIAL LIMITED DUTY BELT DRIVE JACKSHAFT WITH EMERGENCY CHAIN HOIST FOR SHEET DOORS

Designed for use on small commercial rolling doors & grilles that require no more than 15 cycles per hour

Specifications

variable door speed

2 year warranty

70 lb shipping weight

  • 2 year Warranty
  • 24V class 2 control circuit with 40VA transformer to protect against short circuit
  • On board receiver with antenna
  • 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
  • Heavy duty 4L V-belt
  • #41 roller chain & sprockets on all internal drives
  • Adjustable friction clutch
  • 3/4" permanently lubricated & sealed ball bearings on pulley shaft
  • 1" permanently lubricated & sealed ball bearings on final drive shaft
  • Mechanical brake system
  • Solenoid brake (optional PRO-LHAB)
  • Emergency chain hoist with electrical cut-out switch for manual operation
  • Chain keeper
  • Left or right hand mounting (must specify at time of order)
  • #41 roller chain and sprockets on final drive
  • Baked on dark grey coat finish
  • Shipping weight 70 lbs
  • N-1 Micanan photocells included for doors up to 24