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Ex ZS 71 1Ö/1S WVD / 100 N – 3m

Ex emergency pull-wire switch

Product features

  • 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
  • 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

General 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

1 NC/1 NO contact, 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
f d a

Weight

685 g

Downloads

Data sheet – Ex ZS 71 1Ö/1S WVD / 100 N – 3m

English | PDF 191 KB | 29.02.2024