Ex position switch with safety function

Ex 13 WKU 1Ö/1S - 5m

Article no.: 1189145Old article no.: 13004303

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Product features

ExSafety

  • Ex zone 1 and 21

  • Thermoplastic enclosure with cable

  • Suitable for in-line mounting

  • Actuator: Ball plunger with collar WKU

  • Vertical actuation or actuation from side possible

  • Actuator with captive stainless steel ball

  • Watertight collar for protection against penetration of dirt

  • 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 60079-31, EN ISO 13849-1, EN ISO 14119
Enclosure
thermoplastic, glass-fibre reinforced, shockproof, self-extinguishing UL 94 V-0
Switch type
type 1
Coding level
no coding
Degree of protection
IP65 (EN IEC 60079-0 + IEC/EN 60529), 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
1 NC/1 NO contact, type Zb
Connection
cable H05VV-F
Cable cross-section
4 x 0.75 mm² (incl. conductor ferrules)
Cable length
5 m
Rated impulse withstand voltage Uimp
4 kV
Rated insulation voltage Ui
250 V
Conventional thermal current Ithe
T6: 6 A, T5: 3 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
Safety class
II
Ambient temperature
T6: –20 °C … +65 °C,
T5: –20 °C … +75 °C, +90 °C with max. 3 A
Mechanical life
> 1 million operations
Actuating speed
max. 0.5 m/s with a vertical actuating angle of 15°
Operation cycles
max. 1800/h
Repeat accuracy of switching points
± 0.1 mm
Contact opening
max. 2 x 4 mm
Impact energy
max. 7 J
Ex marking
L II 2G Ex db IIC T6/T5 Gb,
L II 2D Ex tb IIIC T80 °C/T95 °C Db
IECEx Ex db IIC T6/T5 Gb,
Ex tb IIIC T80 °C/T95 °C Db
Approvals
PTB 03 ATEX 1068 X
IECEx PTB 06.0053X
fad
Weight
424 g

Dimensional drawing

Further drawings

Switching diagram

T Positive break travel/angle

Contact diagram

Downloads

Mounting and wiring instructions – Ex 13

German, English, French, Italian, Portuguese

PDF2 MB 13.11.2025

Variants / Options

The following variants / options are available on request:

  • Gold-plated contacts

  • Cable entry on side

  • Mechanical latching

  • Other cable types

  • Special version only for dust Ex zone 22

to your contact persons

Ex position switch with safety function

Ex 13 WKU 1Ö/1S - 5m

Article no.: 1189145Old article no.: 13004303

contact us