Pull-wire switch Extreme

ZS 71 WZ IP69 Niro Extreme

  • Version with higher degree of protection IP69: suitable for cleaning with 80 °C hot water at 100 bar pressure at a distance of 100 mm from different directions
  • Pull-wire unit and screws made of stainless steel 1.4305 (NIRO)
  • Suitable for the food processing industry
  • Thermoplastic enclosure
  • Compact design
  • Spring force variant: 55 N
  • Snap action
  • 2 contacts
  • Watertight collar W for protection against penetration of dirt
  • Pull-wire function
  • Attention: Please state required international approvals with your order!

Technical data

Applied standards

EN 60947-5-1, EN 60947-5-5, EN ISO 13850, EN ISO 13849-1


thermoplastic, glass-fibre reinforced, impact resistant, self-extinguishing UL 94 V-0


thermoplastic, glass-fibre reinforced, impact resistant, self-extinguishing UL 94 V-0

Degree of protection

IP66, IP67, IP69 (IEC/EN 60529) / IP69K (ISO 20653)

B10d (10 % load)

200 000


max. 20 years

Contact material


Switching system

snap action, positive break NC contacts A

Switching elements

1 NC/1 NO contact, type Zb


screw connection terminals

Cable cross-section

max. 2.5 mm² (incl. conductor ferrules)

Cable entry

3 x M20 x 1.5

Rated impulse withstand voltage Uimp

6 kV

Rated insulation voltage Ui

400 V

Conventional thermal current Ithe

6 A

Rated operating current/voltage Ie/Ue

6 A/400 VAC

Utilisation category


Short-circuit protection

6 A gG/gN fuse

Ambient temperature

–25 °C … +70 °C

Mechanical life

> 100 000 operations


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Mounting and wiring instructions

german [de], english [en], french [fr], italian [it], portuguese [pt], russian [ru]

PDF 5 MB 10.11.2022
Please go to the relevant product pages for additional downloads.

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