Emergency pull-wire switch

ZS 80 4Ö WVD KST Niro w/o NA Extreme

Article no.: 1189701Old article no.: 72942923

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Product features

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

  • High degree of protection IP67

  • Thermoplastic enclosure

  • Position indicator

  • 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!

Notes

  • 1 blanking plug M20x1.5 is included in delivery.

Technical data

Applied standards
EN 60947-5-1, EN 60947-5-5, EN ISO 13850, EN ISO 13849-1
Enclosure
thermoplastic, glass-fibre reinforced, shockproof, self-extinguishing UL 94 V-0
Cover
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
TM
max. 20 years
Contact material
silver
Switching elements
4 NC contacts, type Zb
Switching system
slow action, positive break NC contacts A
Connection
2 x 4 pole terminal block
Cable cross-section
max. 2.5 mm² (incl. conductor ferrules)
Cable entry
3 x M20 x 1.5 (for cable glands only) (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
Note
At 5 m distance intermediate wire supports are required. One wire thimble is provided.
Approvals
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Weight
540 g

Dimensional drawing

Further drawings

Switching diagram

U Latching point
V Wire breakage detection
W Wire pull detection

Contact diagram

Downloads

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Mounting and wiring instructions – ZS 80 Extreme

German, English, French, Italian, Portuguese

PDF2 MB 13.11.2025
SIL application notes – ZS 80

English

PDF2 MB 25.11.2025
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Emergency pull-wire switch

ZS 80 4Ö WVD KST Niro w/o NA Extreme

Article no.: 1189701Old article no.: 72942923

contact us