Ex 98 SR-3G/D

  • Ex zone 2 and 22
  • Metal enclosure
  • 2 contacts
  • Design to EN 50041
  • Wiring compartment
  • Adjustable-length rod lever with nylon roller
  • Belt alignment lever can be adjusted in 13° steps using a self-locking mechanism
  • For light- and medium-heavy applications

Technical data

Applied standards EN 60947-5-1, EN 60079-0, EN 60079-1, EN 60079-7, EN 60079-31, EN ISO 13849-1
Enclosure aluminium die-cast, corrosion-resistant, powder-coated, anthracite grey, similar to RAL 7016
Cover aluminium die-cast, powder-coated, signal yellow, similar to RAL 1003
Sealing silicone
Degree of protection IP 67 to IEC/EN 60529
B10d (10 % load) 2 million
TM max. 20 years
Contact material silver
Switching system slow action
Switching elements 1 NC/1 NO contact, type Zb
Connection screw connection terminals
Cable cross-section min. 0,75 mm² / AWG 18, max. 1,5 mm² / AWG 16, incl. conductor ferrules
Cable entry 1 x M20 x 1.5 (incl. 1 cable gland)
Clamping range 7 … 13 mm
Rated impulse withstand voltage Uimp 4 kV
Rated operating isolation voltage Ui 250 V
Conventional thermal current Ithe 6 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 … +40 °C;
T5: –20 °C … +60 °C
Mechanical life > 1 million operations
Operation cycles max. 1800/h
Repeat accuracy of switching points ± 0.1 mm
Impact energy max. 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.  
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.  
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.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.