Ex ZS 71 Z

  • Ex zone 1 and 21
  • Metal enclosure
  • Wall mounting
  • Slow action: 2 contacts
  • Pull-wire function
  • Watertight collar W for protection against penetration of dirt available
  • Special version only for dust Ex zone 22 available
  • N.B.: Please state required international approvals with your order!

Technical data

StandardsEN 60947-5-1; EN 60079-0,
EN 60079-1, EN 60079-31;
EN ISO 13849-1
Enclosurealuminium die-cast, powder-coated
Coverglass-fibre reinforced, shock-proof thermoplastic (PA 66), self-extinguishing UL 94-V0
Switch insertEx 14
Degree of protectionIP 65 to IEC/EN 60529
Contact materialsilver
Switching systemslow action, positive break NC contacts
Switching elements1 NC/1 NO contact, type Zb
Connectionpre-wired cable H05VV-F
Cable cross-section4 x 0.75 mm² (incl. conductor ferrules)
Cable length3 m
B10d (10 % Load)2 million
TMmax. 20 years
Uimp4 kV
Ui250 V
ItheT6: 6 A, T5: 3 A
Utilisation categoryAC-15; DC-13
Ie/Ue6 A/250 VAC; 0.25 A/230 VDC
Max. fuse rating6 A gG/gN fuse
Ambient temperatureT6: –20 °C … +65 °C,
T5: –20 °C … +75 °C, +90 °C with max. 3 A
Mechanical life> 1 million operations
Operation cycles1800/h
Featurespull-wire function
Impact energymax. 7 J
Ex marking II 2G Ex d IIC T6/T5 Gb,
II 2D Ex tb IIIC
T80 °C/T95 °C Db
IECEx Ex d IIC T6/T5 Gb,
Ex tb IIIC T80 °C/T95 °C Db
ApprovalsPTB 11 ATEX 1003 X
IECEx PTB 07.0034 X

Ordering details

Type   Material no.  
Type    Material no.   
Ex ZS 71 Z 1Ö/1S / 55N - 3m 1184717
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Watertight collar

Type   Material no.  
Type    Material no.   
Ex ZS 71 WZ 1Ö/1S / 55N - 3m 1186662
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Accessories

Yellow pull-wire with ball and Duplex wire clamp - 1 m
  • With rubber ball and Duplex wire clamp
  • Length 1 m
  • Pull-wire yellow (polypropylene)
Yellow pull-wire with ball and Duplex wire clamp - 2 m
  • With rubber ball and Duplex wire clamp
  • Length 2 m
  • Pull-wire yellow (polypropylene)
Yellow pull-wire with ball and Duplex wire clamp - 3 m
  • With rubber ball and Duplex wire clamp
  • Length 3 m
  • Pull-wire yellow (polypropylene)
Yellow pull-wire with ball and Duplex wire clamp - 4 m
  • With rubber ball and Duplex wire clamp
  • Length 4 m
  • Pull-wire yellow (polypropylene)
Yellow pull-wire with ball and mounting clamp - 1 m
  • With rubber ball and mounting clamp
  • Length 1 m
  • Pull-wire yellow (polypropylene)
Yellow pull-wire with ball and mounting clamp - 2 m
  • Length 2 m
  • With rubber ball and mounting clamp
  • Pull-wire yellow (polypropylene)
Yellow pull-wire with ball and mounting clamp - 3 m
  • Length 3 m
  • With rubber ball and mounting clamp
  • Pull-wire yellow (polypropylene)
Yellow pull-wire with ball and mounting clamp - 4 m
  • Length 4 m
  • With rubber ball and mounting clamp
  • Pull-wire yellow (polypropylene)