Ex position switch with safety function
Ex 61 WHL 1Ö/1S - 3m
Article no.: 1160277 Old article no.: 61016301
contact usProduct features
Ex zone 1 and 21
Metal enclosure
With pre-wired cable
Actuator: Long roller lever with collar WHL
Actuating speed max. 0.5 m/s with a vertical actuating angle of 30°
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.
Actuator can be repositioned by 4 x 90° on request
With metal roller available on request
Technical data
General 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
pre-wired 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/gN fuse
Ambient temperature
T6: –20 °C … +65 °C,
T5: –20 °C … +75 °C, +90 °C with max. 3 A
Mechanical life
> 1 million operations
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
Downloads
Ex position switch with safety function
Ex 61 WHL 1Ö/1S - 3mArticle no.: 1160277 Old article no.: 61016301
contact us