Ex ZS 71 1Ö/1S WVD / 100 N – 3m
Ex emergency pull-wire switch
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Description
- 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