Ex 355 S 1S/1Ö UE

Ex position switch with safety function
Material number: on request
(Material number old: 92201301)
  • Ex zone 1 and 21
  • Metal enclosure
  • Mounting and switching details to EN 50041
  • Wiring compartment
  • 3 cable entries
  • Actuator: Plunger S
  • Actuator type B to EN 50041
  • Actuating speed max. 0.5 m/s with a vertical actuating angle of 0°
  • Attention: Please state required international approvals with your order!
Contact

Technical data

Applied standards EN 60947-5-1, EN 60079-0, EN 60079-1, EN 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 IP 67 to IEC/EN 60529
B10d (10 % load) 2 million
TM max. 20 years
Switch insert 1 x Ex 95
Contact material silver
Switching system slow action, positive break NC contacts
Switching elements 1 NC/1 NO contact with contact overlapping, 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 operating isolation 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 II 2G Ex db e IIC T6/T5 Gb,
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

Contact diagram

Switching diagram