Ex position switch with safety function

Ex 355 4V3H 2Ö

Article no.: 1179966 Old article no.: 92523301

contact us

Product features

Ex Safety
  • Ex zone 1 and 21

  • Metal enclosure

  • Mounting and switching details to EN 50041

  • Wiring compartment

  • 3 cable entries

  • Actuator: Long rocking lever 4V3H

  • Actuating speed max. 2.5 m/s with a vertical actuating angle of 30°

  • Wear-resistant plastic roller

  • Lever angle adjustable in 10° steps

  • Actuator can be repositioned by 4 x 90°

  • Attention: Please state required international approvals with your order!

Technical data

Applied standards

EN 60947-5-1, EN IEC 60079-0, EN 60079-1, EN IEC 60079-7, EN 60079-31, EN ISO 13849-1, EN ISO 14119

Enclosure

zinc die-cast, enamel finish

Switch type

type 1

Coding level

no coding

Degree of protection

IP67 (IEC/EN 60529)

B10d (10 % load)

2 million

TM

max. 20 years

Contact material

silver

Switching system

slow action, positive break NC contacts A

Switching elements

2 NC contacts, type Zb

Connection

screw connection terminals

Cable cross-section

max. 1.5 mm² (incl. conductor ferrules)

Cable entry

3 x M20 x 1.5

Clamping range

7 … 12 mm

Rated impulse withstand voltage Uimp

4 kV

Rated insulation 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

Contact opening

max. 2 x 3.5 mm

Impact energy

max. 7 J

Ex marking

L II 2G Ex db e IIC T6/T5 Gb,
L 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

Approvals

BVS 04 ATEX E 126
IECEx BVS 07.0013

Weight

608 g

Downloads

Loading...
Mounting and wiring instructions – Ex 355

German, English, French, Italian, Portuguese, Russian

PDF 2 MB 14.09.2023

Variants / Options

The following variants / options are available on request:

  • Gold-plated contacts
to your contact persons

Ex position switch with safety function

Ex 355 4V3H 2Ö

Article no.: 1179966 Old article no.: 92523301

contact us