Ex position switch with safety function

Ex 61 WHL 1Ö/1S - 3m

Article no.: 1160277Old article no.: 61016301

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Product features

ExSafety

  • Ex zone 1 and 21

  • Metal enclosure

  • With pre-wired cable

  • Actuator: Long roller lever with collar WHL

  • Wear-resistant plastic roller

  • Watertight collar for protection against penetration of dirt

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

Notes

  • Actuation from the left should be avoided since this reduces the mechanical life of the position switch.

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
aluminium die-cast, powder-coated
Cover
steel, powder-coated
Switch type
type 1
Coding level
no coding
Degree of protection
IP65 (IEC/EN 60529)
B10d (10 % load)
2 million
TM
max. 20 years
Switch insert
1 x Ex 14
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
3 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 fuse
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 30°
Operation cycles
max. 1800/h
Repeat accuracy of switching points
± 0.1 mm
Contact opening
max. 2 x 4.5 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 1070 X *
IECEx PTB 06.0098X *
d
* referring to the switch insert
Weight
638 g

Dimensional drawing

Further drawings

Contact diagram
Switching diagram

Downloads

Mounting and wiring instructions – Ex 61 / ExM 61 / Ex ST 61

German, English, French, Italian, Portuguese

PDF7 MB 13.11.2025

Variants / Options

The following variants / options are available on request:

  • Actuator turned by 4 x 90°

  • Metal roller

to your contact persons

Ex position switch with safety function

Ex 61 WHL 1Ö/1S - 3m

Article no.: 1160277Old article no.: 61016301

contact us