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  • Engagement of the safety gear in down direction
  • Overspeed contact operated in up and down direction
  • Outline dimensions do not change over whole speed range
  • Tripping possible at any point along perimeter of governor pulley
  • Guaranteed minimum rope pull through force 500N
  • Pull through force created by inbuilt friction brake exerting brake torque to governor pulley
  • Suitable for conventional elevators with machine room but also for MRL-elevators
  • Wide range of options available as remote control, base plates, tension weights, providing maximum flexibility
  • Meets code requirements of ASME A17.1

Technical features

Type (900540) OL35NA
travel height (recommendation) max. TH 75m
Max. distance between overspeed governor and tension weight: 80 m
Rated speed NS 100 ft/min … 500 ft/min
Brake force of the governor 168 lbf ± 56 lbf
Permissible tripping speed max. v1 676,5 ft/min
Tension force of the tension weight min.
600 N
800 N
Rope pulley diameter DB 12”
Weight of OL max. 25 kg
Rope diameter d 3/8 “
Tension force of the rope min.
250 N
800 N
Operating temperature -5°C … +55°C
Storage temperature -40°C … +70°C
Air humidity <98% / 40°C
Protection classification IP2x


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