Emergency pull-wire switch
ZS 71 IP67 -40°C Extreme
Cold-resistant down to -40 °C
High degree of protection IP67
Metal enclosure or thermoplastic enclosure (-KST)
3 contacts
Compact design
Wire length up to 35 m
Release by push button (VD)
Watertight collar W for protection against penetration of dirt
Wire pull and breakage detection
ZS 71 Niro: Pull-wire unit and screws made of stainless steel 1.4305
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 ISO 13850, EN ISO 13849-1
Enclosure
aluminium die-cast, powder-coated or glass-fibre reinforced, shockproof thermoplastic
Cover
thermoplastic, glass-fibre reinforced, shockproof, self-extinguishing UL 94 V-0
Degree of protection
IP67 (IEC/EN 60529)
B10d (10 % load)
100 000
TM
max. 20 years
Contact material
silver
Switching system
snap action, positive break NC contacts A
Switching elements
2 NC/1 NO contact, type Zb
Connection
screw connection terminals
Cable cross-section
min. 0.5 mm², max. 2.5 mm² (incl. conductor ferrules)
Stripping length
6 mm
Cable entry
2 x M20 x 1.5, KST: 3 x M20 x 1.5
Rated impulse withstand voltage Uimp
6 kV
Rated insulation voltage Ui
400 V
Conventional thermal current Ithe
2 A
Utilisation category
AC-15
Rated operating current/voltage Ie/Ue
2 A/250 VAC
Short-circuit protection
2 A gG/gN fuse
Ambient temperature
–40 °C … +70 °C
Mechanical life
> 100 000 operations
Max. wire length
35 m
Approvals
a
ß *
* depending on the variant
Downloads
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Version with pull-wire unit made of stainless steel and higher degree of protection
