Rotary Camme Limit Switch


Rotary limit switch used to control and measure the movement of industrial machines or the position of the nacelle or pitch angle of wind turbines.

  • It consists of a gear motor that transfers movement to the cams and the other movement detection devices through a primary input reduction stage (worm gear and helical toothed gear) and one or more secondary output stages.
  • Accurate adjustment of cams by means of screws.
  • Positive opening NC contacts for safety functions.
  • Mechanical life of switches: up to 1 million operations.
  • IP protection degree: GF4C is classified IP65.
  • Extreme temperature resistance: -25°C to +70°C.
  • It features transmission and gear driving shafts made of stainless steel, self-lubricating technopolymer gears and driving bushes and sintered bronze bushes moulded into the base of the limit switch to prevent rubbing against plastic material.
  • All materials and components used are wear resistant and guarantee protection of the unit against water and dust.

  • Technical Features
  • Standards
  • Microswitches
  • Options
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Main Features

  • Storage ambient temperature: -40°C/+70°C
  • Operational ambient temperature: -40°C/+70°C
  • Protection degree: IP 65
  • Insulation category: Class II
  • Cable entry: cable clamp M20
  • Shafts: Stainless steel AISI 303
  • Markings and homologations:CE cULus*


  • 2014/35/UE
  • 2006/42/CE

  • EN 60204-1
  • EN 60947-1
  • EN 60947-5-1
  • EN 60529
  • CAN/CSA-C22.2 No 14-13
  • UL 508

  • IP65

  • Marcature e omologazioni CE cULus*


  • Utilisation category: AC 15 / 250 Vac / 3 A
  • Rated thermal current: 10 A
  • Rated insulation voltage: 300 Vac
  • Mechanical life: 10x106 operations max
  • Connections: screw-type terminals
  • Markings and homologations: CE EAC cULus


  • Revolution ratios from 1:1 to 1:969, achieved by combining different secondary output stages.
  • Each of the two outputs can be set to a different revolution ratio to enable diversified control of the machine when special requirements need to be met.
  • Snap actions switches with 1NO+1NC contacts or slow action switches with 1NC contact.
  • It can be equipped with 2 cam sets (with up to 7 switches), potentiometers and encoders (alone or on top of cam sets with up to 2 switches) and Yankee absolute encoders (on top of cam sets with up to 3 switches).
  • Available with flanges, pinion gears and couplings.
  • Available with direct control switches to enable direct action on the motor.
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