Ex position switch with safety function
Ex 355 1K 1Ö/1S
Article no.: 1178444Old article no.: 92013301
contact usProduct features
Ex zone 1 and 21
Metal enclosure
Mounting and switching details to EN 50041
Wiring compartment
3 cable entries
Actuator: Roller lever 1K
Actuating speed max. 0.5 m/s with a vertical actuating angle of 30°
Actuation parallel to switch from right
Wear-resistant plastic roller
Actuator can be repositioned by 4 x 90°
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
General 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
1 NC/1 NO contact, type Zb
Connection
screw connection terminals
Cable cross-section
max. 1.5 mm² (incl. conductor ferrules)
Cable entry
3 x M20 x 1.5 (incl. 1 cable gland)
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
450 g
Downloads
Variants / Options
The following variants / options are available on request:
Gold-plated contacts
Ex position switch with safety function
Ex 355 1K 1Ö/1SArticle no.: 1178444Old article no.: 92013301
contact us