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SR rope pull switch

  • Rope length capabilities between 1-75 metres
  • 2 NC+2 NO default
  • Wire quick fix (QF versions)
  • Wire tension indicator
  • Robust design

Product description

Bernstein rope pull switch systems are ideally suited for emergency stop applications. The SR / SRM rope pull switch range offers a rugged plastic (SR) or metal (SRM) rope pull switch featuring an emergency stop impact button and integrated inspection window. The integrated window on both SR & SRM rope pull switches allows for easy checking of cable tension during installation.




  • Enclosure/Cover SR - PA 6 GV (UL94-V0)
  • Enclosure/Cover SRM - Die-cast aluminium
  • Actuator - Die-cast Zinc / Steel
  • Conforms to IEC 947-5-5, DIN EN 60947-5-5 and ISO 13850
  • Quick fix quick-connect system makes eye stiffeners, cable grips and turnbuckles redundant
  • Integrated inspection window enables checking of cable tension during installation
  • 3 x M20 x 1.5 cable entries
  • Protection class IP 67 according to IEC/EN 6052
  • Mechanical service life = up to 1Mio



Rope pull switch SR-U2Z-0-QF-175-L0-0-0, ≤37,5 m, QF



Technical data

Contact type 2 x N/O, 2 x N/C
Lin length max 37,5 m
IP class IP67
Temperature operational min -25 °C
Temperature operational max 70 °C
Height 294 mm
Width 42,5 mm
Depth 76,8 mm
Cable entry 3x M20x1,5
Mounting 4xM5
Voltage max 250 V
Mechanical life expectancy 100 000 cycles
Material of body PA6
B10d 100 000
Approvals CCC, cCSAus, DGUV
Standards ISO 13850, DIN EN ISO 13849-1

Measurements and connections


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