Ex ES 98 ST

  • Ex zone 1 and 21
  • Metal enclosure
  • Design to EN 50041
  • Wiring compartment
  • Actuator can be repositioned in factory by 4 x 90°
  • N.B.: Please state required international approvals with your order!
  • Special version only for gas Ex zone 2 and dust Ex zone 22 available
Note
  • The actuator is not included in the delivery of the switches

Technical data

Applied standardsEN 60947-5-1; EN 60079-0,
EN 60079-1, EN 60079-7,
EN 60079-31; EN ISO 13849-1;
EN ISO 14119
EnclosureCorrosion-resistant aluminium, powder-coated, similar to RAL 7016
CoverStainless steel 1.4401, powder-coated, similar to RAL 1003
Actuatorstainless steel 1.4301
Switch typetype 2
Coding levellow coding
Switch insert1 x Ex 95
Degree of protectionIP 66 to IEC/EN 60529
Contact materialsilver
Switching systemslow action, positive break NC contacts
Switching elements1 NC/1 NO contact or 2 NC contacts, type Zb
Connectionscrew connection terminals
Cable cross-sectionmin. 0.5 mm² / AWG 24, max. 1.5 mm² / AWG 16
Cable entry1 x M20 x 1.5 (incl. 1 cable gland)
Clamping range7 … 13 mm
B10d (10 % load)2 million
TMmax. 20 years
Rated impulse withstand voltage Uimp4 kV
Rated operating isolation voltage Ui250 V
Conventional thermal current Ithe6 A
Rated operating current/voltage Ie/Ue6 A/250 VAC; 0.25 A/230 VDC
Utilisation categoryAC-15; DC-13
Max. fuse rating6 A gG/gN fuse
Ambient temperatureT6: –20 °C … +40 °C;
T5: –20 °C … +60 °C
Mechanical life> 1 million operations
Operation cyclesmax. 1800/h
Impact energymax. 7 J
Ex marking II 2G Ex de IIC T6/T5 Gb,
II 2D Ex tb IIIC
T80 °C/T95 °C Db
IECEx Ex de IIC T6/T5 Gb,
Ex tb IIIC T80 °C/T95 °C Db
ApprovalsDMT 01 ATEX E 178
IECEx BVS 07.0014

Ordering details

Slow action

1 NC/1 NO contact

Type   Material no.  
Type    Material no.   
Ex ES 98 ST-11 stock type Standard versions, in stock or available at short notice 1255734
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Slow action

2 NC contacts

Type   Material no.  
Type    Material no.   
Ex ES 98 ST-02 stock type Standard versions, in stock or available at short notice 1304203
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Actuators

Straight actuators

Type   Material no.  
Type    Material no.   
Straight actuator ST 98/99-B1 stock type Standard versions, in stock or available at short notice 1451618
Type    Material no.   
Straight actuator ST 98/99-B1 with rubber stock type Standard versions, in stock or available at short notice 1451736

Angled actuators

Type   Material no.  
Type    Material no.   
Angled actuator ST 98/99-B5 stock type Standard versions, in stock or available at short notice 1451863

Flexible actuators

Type   Material no.  
Type    Material no.   
Flexible actuator ST 98/99-B6 stock type Standard versions, in stock or available at short notice 1451865