Ex emergency pull-wire switch

Ex ZS 71 2Ö WVD / 100 N - 3m

Article no.: 1189336Old article no.: 71542311

Product features

Ex zone 1 and 21
Metal enclosure
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!

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)

B_10d (10 % load): 200 000

T_M: 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: cable H05VV-F

Cable length: 3 m

Cable cross-section: 4 x 0.75 mm² (incl. conductor ferrules)

Cable entry: 2 x M20 x 1.5 (for cable glands only)

Rated impulse withstand voltage U_imp: 4 kV

Rated insulation voltage U_i: 250 V

Conventional thermal current I_the: T6: 6 A, T5: 3 A

Utilisation category: AC-15; DC-13

Rated operating current/voltage I_e/U_e: 6 A/250 VAC; 0.25 A/230 VDC

Short-circuit protection: 6 A gG 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

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

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

Dimensional drawing

Further drawings

Switching diagram

U Latching point
V Wire breakage detection
W Wire pull detection

Downloads

Mounting instructions

Declarations of Conformity

Certificates

Data sheets

STEP-Files

Mounting and wiring instructions – Ex ZS 71

German, English, French, Italian, Portuguese

PDF3 MB 10.02.2026

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