Ex emergency pull-wire switch
Ex ZS 75 S-3D
Ex zone 22
Metal enclosure
4 contacts
Wire length up to 2 x 100 m
Release by push button (VD)
Wire pull and breakage detection
1 cable gland M20x1.5 (clamping range 7 … 13 mm) and 1 locking screw M20x1.5 included in delivery
Technical data
General technical data
Applied standards
EN 60947-5-1, EN 60947-5-5, EN IEC 60079-0, EN 60079-31, EN ISO 13850, EN ISO 13849-1
Enclosure
aluminium die-cast, powder-coated
Cover
aluminium die-cast, powder-coated
Degree of protection
IP67 (IEC/EN 60529)
B10d (10 % load)
200 000
TM
max. 20 years
Contact material
silver
Switching system
slow action, positive break NC contacts A
Switching elements
2 NC/2 NO contacts, type Zb
Connection
2 x 4 pole terminal block
Cable cross-section
max. 1.5 mm²
Rated impulse withstand voltage Uimp
4 kV
Rated insulation voltage Ui
250 V
Conventional thermal current Ithe
6 A
Rated operating current/voltage Ie/Ue
6 A/250 VAC; 0.25 A/230 VDC
Utilisation category
AC-15; DC-13
Short-circuit protection
6 A gG/gN fuse
Ambient temperature
–20 °C … +65 °C
Mechanical life
> 100 000 operations
Max. wire length
2 x 100 m
Impact energy
max. 7 J
Ex marking
L II 3D Ex tc IIIC T80°C Dc