Ex emergency pull-wire switch

Ex ZS 71 2Ö WVD-A / 100 N - 3m

Article no.: 1189338Old article no.: 71542312

contact us

Product features

ExSafety
  • Ex zone 1 and 21

  • Metal enclosure

  • 2 contacts

  • Compact 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

  • Attention: Please state required international approvals with your order!

Notes

  • At 3 m distance intermediate wire supports are required. One wire thimble is provided.

Technical data

Applied standards

EN 60947-5-1, EN 60947-5-5, EN IEC 60079-0, EN 60079-1, EN 60079-31, EN ISO 13850, EN ISO 13849-1

Enclosure

aluminium die-cast, powder-coated

Cover

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

Degree of protection

IP65 (IEC/EN 60529)

B10d (10 % load)

200 000

TM

max. 20 years

Switch insert

1 x Ex 14

Contact material

silver

Switching system

slow action, positive break NC contacts A

Switching elements

2 NC contacts, type Zb

Connection

pre-wired cable H05VV-F

Cable length

3 m

Cable cross-section

4 x 0.75 mm² (incl. conductor ferrules)

Rated impulse withstand voltage Uimp

4 kV

Rated insulation voltage Ui

250 V

Conventional thermal current Ithe

T6: 6 A, T5: 3 A

Utilisation category

AC-15; DC-13

Rated operating current/voltage Ie/Ue

6 A/250 VAC; 0.25 A/230 VDC

Short-circuit protection

6 A gG/gN fuse

Ambient temperature

T6: –20 °C … +65 °C,
T5: –20 °C … +75 °C, +90 °C with max. 3 A

Mechanical life

> 100 000 operations

Max. wire length

35 m

Impact energy

max. 7 J

Ex marking

L II 2G Ex d IIC T6/T5 Gb,
L 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

Approvals

PTB 11 ATEX 1003 X
IECEx PTB 07.0034 X
fda

Weight

674 g

Downloads

Loading...
Mounting and wiring instructions – Ex ZS 71

German, English, French, Italian, Portuguese

PDF2 MB 27.09.2023

Variants / Options

The following variants / options are available on request:

  • Special version only for dust Ex zone 22

to your contact persons
Loading...

Ex emergency pull-wire switch

Ex ZS 71 2Ö WVD-A / 100 N - 3m

Article no.: 1189338Old article no.: 71542312

contact us