Wittur Tools
Overspeed Governor

OL35-NA, OL35E-NA

OL 35-NA: A17.1 compliant safety component for bi-directional electrical disconnect and down direction mechanical release to engage a safety gear when overspeed is detected.

Description

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OfficeHigh rise
OL 35-NA: A17.1 compliant safety component for bi-directional electrical disconnect and down direction mechanical release to engage a safety gear when overspeed is detected.


USP's:
  • Short response time due to tripping at any point over 360°
  • Friction coupler to limit force in the rope and prevent rope damage
  • Safety contact for both up and down overspeed
  • Safety covers
  • Reduced wear due to hardened pulley
  • Optional:
    • Remote trip/reset device
    • Friction encoder

Technical sheet

  OL35NA
Direction Unidirectional
Min. Rated Speed ft/m 100
Max. Rated Speed ft/m 500
Max. Travel Height (m) 165
Min. Governor Brake Force (ibf) 168 ± 56 
Rope Diameter (d) 3 / 8 "
Pulley Diameter (DB) 12"
UCM Solution -
EN 81-20/50:2014 Standard
GOST R 53780-2010 Standard
China Standard
ASME A17.1 Standard
bnr-wittur-ol-35-speed-load-graphic