Ex ZS 71 2Ö WVD-A / 100 N - 3m

Ex emergency grab-wire switch
Material number: 1189338
(Material number old: 71542312)
  • Ex zone 1 and 21
  • Metal enclosure
  • 2 contacts
  • Small design
  • Wire length up to 35 m
  • Spring force variant: 100 N
  • Release by push-button (VD)
  • Wire pull and breakage detection
  • Watertight collar W for protection against penetration of dirt
  • Position indicator A
  • N.B.: Please state required international approvals with your order!
  • At 3 m distance intermediate wire supports are required. One wire thimble is provided.

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 V-0
Switch insert1 x Ex 14
Degree of protectionIP 65 to IEC/EN 60529
Contact materialsilver
Switching systemslow action, positive break NC contacts
Switching elements2 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
Conventional thermal current 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
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
Weight674 g