Ex ZS 71

  • Ex zone 1 and 21
  • Metal enclosure
  • 2 contacts
  • Wire length up to 35 m
  • Small design
  • Release by push-button (VD)
  • Available without unlocking mechanism (per EN 60947-5-1)
  • Wire pull and breakage detection
  • Watertight collar W for protection against penetration of dirt available
  • Position indicator A available
  • Special version only for dust Ex zone 22 available
  • N.B.: Please state required international approvals with your order!

Technical data

Applied standardsEN 60947-5-1, -5; EN 60079-0,
EN 60079-1, EN 60079-31;
EN ISO 13850; EN ISO 13849-1
Enclosurealuminium die-cast, powder-coated
Coverglass-fibre reinforced, shock-proof thermoplastic, self-extinguishing UL 94-V0
Switch insert1 x Ex 14
Degree of protectionIP 65 to IEC/EN 60529
Contact materialsilver
Switching systemslow action, positive break NC contacts
Switching elements1 NC/1 NO contact or 2 NC contacts, type Zb
Connectionpre-wired cable H05VV-F
Cable length3 m
Cable cross-section4 x 0.75 mm² (incl. conductor ferrules)
B10d (10 % load)200 000
TMmax. 20 years
Rated impulse withstand voltage Uimp4 kV
Rated operating isolation voltage Ui250 V
ItheT6: 6 A, T5: 3 A
Utilisation categoryAC-15; DC-13
Rated operating current/voltage 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> 100 000 operations
Max. wire length35 m
Featureswire pull and breakage detection
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

Release by push button

Type   Material no.  
Type    Material no.   
Ex ZS 71 1Ö/1S VD / 100 N - 3m 1189317
Type    Material no.   
Ex ZS 71 2Ö VD / 100 N - 3m 1189325
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Release by push button + position indicator

Type   Material no.  
Type    Material no.   
Ex ZS 71 1Ö/1S VD-A / 100 N - 3m 1189318
Type    Material no.   
Ex ZS 71 2Ö VD-A / 100 N - 3m 1189335
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Release by push button + watertight collar

Type   Material no.  
Type    Material no.   
Ex ZS 71 1Ö/1S WVD / 100 N - 3m stock type Standard versions, in stock or available at short notice 1189321
Type    Material no.   
Ex ZS 71 2Ö WVD / 100 N - 3m 1189336
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Release by push button + watertight collar + position indicator

Type   Material no.  
Type    Material no.   
Ex ZS 71 1Ö/1S WVD-A / 100 N - 3m 1189324
Type    Material no.   
Ex ZS 71 2Ö WVD-A / 100 N - 3m 1189338
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Accessories

Cable Tensioner System TS 65
  • Time-saving
  • Non-slip
  • Easy to adjust
  • Ergonomically designed
  • Injury-free
  • Only one tool
Tensioner M6
  • Adjustable from 145 mm to 225 mm
  • According to DIN 1480
  • For precise adjustment of pull-wire pre-stress
Tensioner M8 stainless steel
  • Adjustable from 160 mm to 255 mm
  • Made of stainless steel
  • According to DIN 1480
  • For precise adjustment of pull-wire pre-stress
Pull-wire Ø 5 mm per metre
  • Steel core Ø 3 mm with red PVC sheath
  • Ordering unit: per metre
  • Total diameter 5 mm
Pull-wire stainless steel Ø 5 mm per metre
  • Ordering unit: per metre
  • Total diameter 5 mm
  • Stainless steel core Ø 3 mm with red PVC sheath
Complete pull-wire set, 5 m
  • Complete pull-wire set consisting of:
    5 m pull-wire Ø 3 mm with 2 mm PVC sheath,
    2 wire clamps DIN 741,
    1 wire thimble DIN 65457,
    1 eye bolt DIN 444 and
    1 Duplex wire clamp
Complete pull-wire set, 10 m
  • Complete pull-wire set consisting of:
    10 m pull-wire Ø 3 mm with 2 mm PVC sheath,
    2 wire clamps DIN 741,
    1 wire thimble DIN 65457,
    1 eye bolt DIN 444 and
    1 Duplex wire clamp
Complete pull-wire set, 15 m
  • Complete pull-wire set consisting of:
    15 m pull-wire Ø 3 mm with 2 mm PVC sheath,
    2 wire clamps DIN 741,
    1 wire thimble DIN 65457,
    1 eye bolt DIN 444 and
    1 Duplex wire clamp
Complete pull-wire set, 20 m
  • Complete pull-wire set consisting of:
    20 m pull-wire Ø 3 mm with 2 mm PVC sheath,
    2 wire clamps DIN 741,
    1 wire thimble DIN 65457,
    1 eye bolt DIN 444 and
    1 Duplex wire clamp
Complete pull-wire set, 25 m
  • Complete pull-wire set consisting of:
    25 m pull-wire Ø 3 mm with 2 mm PVC sheath,
    2 wire clamps DIN 741,
    1 wire thimble DIN 65457,
    1 eye bolt DIN 444 and
    1 Duplex wire clamp
Complete pull-wire set, 30 m
  • Complete pull-wire set consisting of:
    30 m pull-wire Ø 3 mm with 2 mm PVC sheath,
    2 wire clamps DIN 741,
    1 wire thimble DIN 65457,
    1 eye bolt DIN 444 and
    1 Duplex wire clamp
Complete pull-wire set, 40 m
  • Complete pull-wire set consisting of:
    40 m pull-wire Ø 3 mm with 2 mm PVC sheath,
    2 wire clamps DIN 741,
    1 wire thimble DIN 65457,
    1 eye bolt DIN 444 and
    1 Duplex wire clamp
Complete pull-wire set, 50 m
  • Complete pull-wire set consisting of:
    50 m pull-wire Ø 3 mm with 2 mm PVC sheath,
    2 wire clamps DIN 741,
    1 wire thimble DIN 65457,
    1 eye bolt DIN 444 and
    1 Duplex wire clamp
Pulley
  • For pull-wire with red PVC sheath Ø 5 mm (steel core Ø 3 mm)
  • To guide the pull-wire where the path is not a straight line
Wire clamp 3 mm
  • For pull-wire with steel core Ø 3 mm
Wire clamp 3 mm stainless steel
  • Stainless steel
  • For pull-wire with steel core Ø 3 mm
Duplex wire clamp
  • For pull-wire with steel core Ø 3 mm
Egg-shaped wire clamp
  • For pull-wire with steel core Ø 3 mm
Wire thimble 3 mm
  • According to DIN 65457
  • For pull-wire with steel core Ø 3 mm
Wire thimble 3 mm stainless steel
  • Stainless steel
  • According to DIN 65457
  • For pull-wire with steel core Ø 3 mm
Eye bolt M8 x 70 with nut
  • 70 mm length referring to eye centre, 25 mm thread length,
    M8 x 1.25 thread
  • According to DIN 444
Eye bolt BM8 x 70 with nut, stainless steel
  • Stainless steel
  • 70 mm length referring to eye centre, 25 mm thread length,
    M8 x 1.25 thread
  • According to DIN 444
Eye bolt BM10 x 40 with nut
  • 40 mm length referring to eye centre, 25 mm thread length,
    M10 x 1.5 thread
  • According to DIN 444
Eye bolt open M10 x 55 with 2 nuts
  • Galvanized steel
  • 120 mm length, 55 mm thread length
  • M10 thread
  • 2 hexagon nuts are provided
Compensation spring ZS 71-100N
  • With travel limitation
  • Stainless steel 1.4310
  • Adaption of length expansions caused by changes in temperature
Compensation spring ZS 71 Niro-100N
  • Version consisting of: stainless steel chain A4, 2 carabiner A4 (1.4401) and tension spring (1.4310)
  • With travel limitation
  • Adaption of length expansions caused by changes in temperature