Ex 98 SR-3G/D

Features/Options

  • Ex zone 2 and 22
  • Metal enclosure
  • 2 contacts
  • Design to EN 50041
  • Wiring compartment
  • Adjustable-length rod lever with nylon roller
  • For light- and medium-heavy applications

Technical data

StandardsEN 60947-5-1; EN 60079-0,
EN 60079-1, EN 60079-7,
EN 60079-31; EN ISO 13849-1
EnclosureCorrosion-resistant aluminium, powder-coated, similar to RAL 7016
CoverCorrosion-resistant aluminium, powder-coated, similar to RAL 1003
Degree of protectionIP 67 to IEC/EN 60529
Contact materialsilver
Switching systemslow action
Switching elements1 NC/1 NO contact, type Zb
Connectionscrew connection terminals, min. 0,75 mm² AWG 18, max. 1,5 mm² AWG 16, incl. conductor ferrules
Cable entry1 x M20 x 1.5 for
cable diameter 5 … 9 mm
B10d (10 % Load)2 million
TMmax. 20 years
Uimp4 kV
Ui250 V
Ithe6 A
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 cycles1800/h
Repeat accuracy of switching points± 0.1 mm
Impact energymax. 7 J
Ex marking II 3G Ex dc ec IIC T6/T5 Gc,
II 3D Ex tc IIIC T80 °C/T95 °C Dc
Ordering details

Slow action

1 NC/1 NO contact

Type   Material no.
Ex ES 98 SR-11-3G/D stock type Standard versions, in stock or available at short notice 1454703
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Slow action

1 NC/1 NO contact with overlapping

Type   Material no.
Ex ES 98 SR-11U-3G/D 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.