Ex ZS 92 S 22 VD F
Ex emergency pull-wire switch
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Description
- Ex zone 1 and 21
- Corrosion-resistant aluminium enclosure
- Screws made of stainless steel
- Wire length up to 2 x 100 m
- Release by lever
- F = Reset lever at the front side
- Back and base mounting possible
- Wire pull and breakage detection
Notes
- At 3 m distance intermediate wire supports are required. Two compensation springs type ZS 90/91/92 S must be installed, see accessories.
Technical data
Applied standards
EN 60947-5-1, EN 60947-5-5, EN ISO 13850, EN ISO 13849-1, EN IEC 60079-0, EN 60079-1, EN IEC 60079-7, EN 60079-31, EN 620-5.7.2.9, AS 1755-2000-2.7.9.1, AS/NZS 4024.3610:2015-2.10.6.2
Enclosure
aluminium die-cast, corrosion-resistant, powder-coated, passivated, shockproof, anthracite grey, similar to RAL 7016
Cover
aluminium die-cast, corrosion-resistant, powder-coated, passivated, shockproof, signal yellow, similar to RAL 1003
Actuating lever
aluminium die-cast, corrosion-resistant, powder-coated, passivated, shockproof, signal red, similar to RAL 3001
Reset lever
aluminium die-cast, corrosion-resistant, powder-coated, passivated, shockproof, sky blue, similar to RAL 5015
Screws
stainless steel
Tightening torque
cover screws: max. 2.5 Nm
actuator screws: max. 6 Nm
Degree of protection
IP65 (EN 60079-0 + 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/2 NO contacts, type Zb
Connection
screw connection terminals
Cable cross-section
min. 0.75 mm² (AWG 18), max. 2.5 mm² (AWG 14), incl. conductor ferrules
Cable entry
2 x M25 x 1.5
Rated impulse withstand voltage Uimp
6 kV
Rated insulation voltage Ui
250 V
Conventional thermal current Ithe
2 A / 4 A / 6 A
Utilisation category
AC-15
Rated operating current/voltage Ie/Ue
max. 2 A/4 A/6 A / 250 VAC
Short-circuit protection
2 A / 4 A / 6 A gG/gN fuse
Mechanical life
> 50 000 operations
Max. wire length
2 x 100 m
Ambient temperature
–10 °C … +55 °C max. 2 A,
–10 °C … +50 °C max. 4 A,
–10 °C … +45 °C max. 6 A
Degree of pollution
3
Actuating force
actuating lever approx. 30 N; reset lever approx. 40 N
Ex marking
L II 2G Ex db eb IIC T6 Gb,
L II 2D Ex tb IIIC T80 °C Db
IECEx Ex db eb IIC T6 Gb,
Ex tb IIIC T80 °C Db
Approvals
BVS 19 ATEX E 076
IECEx BVS 19.0074
f d a
Weight
1900 g