Emergency pull-wire switch

ZS 80 KST IP67 Niro Extreme

  • Pull-wire unit and screws made of stainless steel (NIRO)

  • High degree of protection IP67

  • Suitable for the food processing industry

  • Thermoplastic enclosure

  • 4 contacts

  • Position indicator

  • Integrated emergency-stop push button

  • Wire length up to 100 m

  • Spring force variant: 100 N

  • Lever for release and position indication

  • Watertight collar

  • Wire pull and breakage detection

  • 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, shockproof, self-extinguishing UL 94 V-0


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

Tightening torque

cover screws: 1.8 Nm

Degree of protection

IP67 (IEC/EN 60529)

B10d (10 % load)

200 000


max. 20 years

Contact material


Switching elements

2 NC/2 NO, 3 NC/1 NO or 4 NC contacts, type Zb

Switching system

slow action, positive break NC contacts A


2 x 4 pole terminal block

Cable cross-section

max. 2.5 mm² (incl. conductor ferrules)

Cable entry

3 x M20 x 1.5 (press-out blanks in enclosure)

Rated impulse withstand voltage Uimp

2.5 kV

Rated insulation voltage Ui

250 V

Conventional thermal current Ithe

2 A

Utilisation category

AC-15; DC-13

Rated operating current/voltage Ie/Ue

2 A/250 VAC; 0.25 A/230 VDC; 2 A/24 VDC

Short-circuit protection

2 A gG/gN fuse

Ambient temperature

–25 °C … +70 °C

Mechanical life

> 100 000 operations

Max. wire length

100 m


d on request


Mounting and wiring instructions – ZS 80 Extreme

German, English, French, Italian, Portuguese, Russian

PDF 5 MB 04.10.2023
Please go to the relevant product pages for additional downloads.

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