Ex 98 SB

  • Ex zone 1 and 21
  • Metal enclosure
  • Wiring compartment
  • Design to EN 50041
  • Actuator can be repositioned by 4 x 90°
  • Shaft bore ø 10 mm
  • Actuating shaft can be turned 360°
  • N.B.: Please state required international approvals with your order!

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
Switch typetype 1
Coding levelno 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. 0,75 mm² / AWG 18, max. 1,5 mm² / AWG 16, incl. conductor ferrules
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
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 SB-11-10mm stock type Standard versions, in stock or available at short notice 1304292
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 SB-02-10mm 1336010
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.