Ex 355 3V4D 1S/1Ö UE

Ex position switch
Material number: 1189523
(Material number old: 92267301)
  • Ex zone 1 and 21
  • Metal enclosure
  • Mounting and switching details to EN 50041
  • Wiring compartment
  • 3 cable entries
  • Actuator: Forked lever latching 3V4D
  • Actuating speed max. 2.5 m/s with a vertical actuating angle of 30°
  • Wear-resistant plastic roller
  • Actuator can be repositioned by 4 x 90°
  • 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
Enclosurezinc die-cast, enamel finish
Switch insert1 x Ex 95
Degree of protectionIP 67 to IEC/EN 60529
Contact materialsilver
Switching systemslow action
Switching elements1 NC/1 NO contact with contact overlapping, type Zb
Connectionscrew connection terminals
Cable cross-sectionmax. 1.5 mm² (incl. conductor ferrules)
Cable entry3 x M20 x 1.5 (incl. 1 cable gland)
Clamping range7 … 13 mm
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
Repeat accuracy of switching points± 0.1 mm
Contact openingmax. 2 x 3.5 mm
Impact energymax. 7 J
Ex marking II 2G Ex db e IIC T6/T5 Gb,
II 2D Ex tb IIIC
T80 °C/T95 °C Db
IECEx Ex db e IIC T6/T5 Gb,
Ex tb IIIC T80 °C/T95 °C Db
ApprovalsBVS 04 ATEX E 126
IECEx BVS 07.0013

Contact diagram

Switching diagram