Ex ZS 75 SR

  • Ex zone 1 and 21
  • Metal enclosure
  • 2 or 4 contacts
  • Cable
  • With latching and release by push-button possible
  • Belt-alignment roller made of stainless steel
  • Attention: Please state required international approvals with your order!

Technical data

Applied standards EN 60947-5-1, EN 60947-5-5, EN 60079-0, EN 60079-1, EN 60079-31, EN ISO 13849-1
Enclosure aluminium die-cast, powder-coated
Cover aluminium die-cast, powder-coated
Degree of protection IP 65 to IEC/EN 60529
B10d (10 % load) Ex ZS 75 SR: 2 million
Ex ZS 75 SR VD: 200 000
TM max. 20 years
Contact material silver
Switching system slow action, positive break NC contacts
Switching elements 1 NC/1 NO contact, 2 NC/2 NO contacts or 4 NC contacts, type Zb
Connection pre-wired cable H05VV-F
Cable cross-section 4 x 0.75 mm² (incl. conductor ferrules) per switch insert
Cable length 3 m
Rated impulse withstand voltage Uimp 4 kV
Rated operating isolation voltage Ui 250 V
Conventional thermal current Ithe T6: 6 A, T5: 3 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 T6: –20 °C … +65 °C,
T5: –20 °C … +75 °C, +90 °C with max. 3 A
Mechanical life Ex ZS 75 SR: > 1 million operations;
Ex ZS 75 SR VD: > 100 000 operations
Impact energy max. 7 J
Ex marking II 2G Ex d IIC T6/T5 Gb,
II 2D Ex tb IIIC
T80 °C/T95 °C Db
IECEx Ex d IIC T6/T5 Gb,
Ex tb IIIC T80 °C/T95 °C Db
Approvals PTB 11 ATEX 1003 X
IECEx PTB 07.0034 X

Ordering details

Without latching

Type   Material no.  
Type    Material no.   
Ex ZS 75 SR 1Ö/1S - 3m 1185589
Type    Material no.   
Ex ZS 75 SR 2S/2Ö UE - 3m mid-position 1329788
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Release by push button

Type   Material no.  
Type    Material no.   
Ex ZS 75 SR 2Ö/2S VD - 3m 1166692
Type    Material no.   
Ex ZS 75 SR 4Ö VD - 3m on request Produced to order.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.