Ex ZS 90 S

Features/Options

  • Ex zone 1 and 21
  • Thermoplastic enclosure
  • 4 contacts
  • Wire length up to 2 x 50 m
  • Release by lever
  • Wire pull and breakage detection
  • N.B.: Please state required approvals for Russia and Brazil with your order!

Technical data

StandardsEN 60947-5-1; EN 60079-0,
EN 60079-1, EN 60079-31;
EN ISO 13850; EN ISO 13849-1
EnclosureDuroplast, UV resistant
to EN ISO 4892
CoverDuroplast, UV resistant
to EN ISO 4892
Switch insertEx 14
Degree of protectionIP 65 to IEC/EN 60529
Contact materialsilver
Switching systemslow action, positive break NC contacts
Switching elements2 NC/2 NO contacts with double break
Connectioncable H05VV-F, length 3 m
B10d (10 % Load)200 000
TMmax. 20 years
Uimp4 kV
Ui250 V
ItheT6: 6 A, T5: 3 A
Utilisation categoryAC-15; DC-13
Ie/Ue6 A/250 VAC; 0.25 A/230 VDC
Max. fuse rating6 A gG/gN fuse
Ambient temperatureT6: –20 °C … +65 °C,
T5: –20 °C … +75 °C, +90 °C with max. 3 A
Mechanical life> 100 000 operations
Max. wire length2 x 50 m
Featureswire pull and breakage detection
Impact energymax. 7 J
Ex marking II 2G Ex db IIC T6/T5 Gb,
II 2D Ex tb IIIC
T80 °C/T95 °C Db
IECEx Ex db IIC T6/T5 Gb,
Ex tb IIIC T80 °C/T95 °C Db
ApprovalsPTB 03 ATEX 1070 X*
IECEx PTB 06.0098X*
*referring to the switch insert
Ordering details
Type code

Slow action

2 NC/2 NO contacts

Type   Material no.
Ex ZS 90 S 2Ö/2S VD - 3m 1184968