Pull-wire switch
ZS 73
Metal enclosure
Snap action
Wire length up to 130 m
2 different spring force variants available
Wire pull and breakage detection
Watertight collar W for protection against penetration of dirt available
Technical data
General technical data
Applied standards
EN ISO 13849-1, EN 60947-5-1
Enclosure
aluminium die-cast, enamel finish
Cover
thermoplastic, glass-fibre reinforced, shockproof, self-extinguishing UL 94 V-0
Degree of protection
ZS 73 W: IP65; ZS 73: IP54 (IEC/EN 60529)
B10d (10 % load)
2 million
TM
max. 20 years
Contact material
silver
Switching elements
1 NC/1 NO contact or 2 NC contacts, type Zb
Switching system
snap action, positive break NC contacts A
Connection
screw connection terminals
Cable cross-section
max. 2.5 mm² (incl. conductor ferrules)
Cable entry
1 x M16 x 1.5
Rated impulse withstand voltage Uimp
6 kV
Rated insulation voltage Ui
400 V
Conventional thermal current Ithe
6 A
Conditional short-circuit current
1100 A
Utilisation category
AC-15
Rated operating current/voltage Ie/Ue
6 A/400 VAC
Short-circuit protection
6 A gG/gN fuse
Ambient temperature
–25 °C … +70 °C
Mechanical life
> 1 million operations
Indicator lamp
as option
Max. wire length
130 m
Approvals
d a