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 section 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 1454703