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TER CESKA s.r.o.

Products and solutions TER, radio remote controls Magnetek for lifting handling and safety.

Position limit switch 7551, 7552

Position limit switch 7551, 7552
  • limit switch with up to 4 switches 1NC+1NO for slow-down and/or stop functions in two directions
  • up to 3 cable clamps
  • 2 rods 200 mm
  • 7551 - rotation range: ±180°, 4 maintained positions
  • 7552 - rotation range: ±90°, 3 maintained positions
  • die-cast aluminum alloy enclosure

7551 and 7552 position limit switches are designed for the control of complex operating equipment. As they are control auxiliaries, they act on a power interface.
The choice of materials, technical solutions and ample size make these limit switches ideal for use in strongly aggressive environments where they are exposed to the most severe operating conditions, guaranteeing impeccable function at all times and for their entire life.
The enclosure is made of die-cast aluminum alloy and is resistant to any violent impact, chemical aggression and rust, while the bushings in sinterized material eliminate the need for any operations of routine maintenance of the header, since they are also made of impact-resistant zama.
7551 and 7552 limit switches are equipped with 4 fastening holes and 3 outputs for wire clamps to reduce installation time and facilitate wiring operations.

  • Conformity to Community Directives: 2006/95/CE, 2006/42/CE
  • Conformity to Standards: EN 60204-1, EN 60947-1, EN 60947-5-1, EN 60529
  • Storage temperature: -40°C/+70°C
  • Operating temperature: -40°C/+70°C
  • Degree of protection: IP65
  • Insulation category: Class I
  • Cable entry: cable clamp M20
  • Operation frequency: 3600 operations/hour max.
  • Speed of impact: 1,35 m/s max.
  • Working position: any
  • Certification: CE

Contact elements

  • Type: PRSL0036XX, 1NO + 1NC, snap action
  • Utilisation category: AC 15
  • Rated operational current: 3 A
  • Rated operational voltage: 250 V AC
  • Rated thermal current: 10 A
  • Rated insulation voltage: 300 V AC
  • Mechanical life: 1 000 000 operations
  • Connections: terminal board, EN 50013
  • Wires: 1 × 2,5 mm², 2 × 1,5 mm²
  • Tightening torque: 0,8 Nm
  • Certification: CE
Position limit switch 7551
Detail
Position limit switch 7551
Description
Position limit switch 7551
Dimensions

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Position limit switches

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