Ex 12 DS - 5m

Ex position switch
Material number: 1044681
(Material number old: 12729306)
  • Ex zone 1 and 21
  • Metal enclosure
  • Snap action, change-over contact with single break
  • Suitable for in-line mounting
  • With pre-wired cable, cable length 5 m
  • Actuator: Adjustable rocking lever DS
  • Actuating speed max. 0.5 m/s with a vertical actuating angle of 45°
  • Wear-resistant plastic roller
  • Lever can be repositioned in 10° steps clockwise or counter-clockwise
  • Attention: Please state required international approvals with your order!
  • Actuator can be repositioned by 180° on request
  • With metal roller available on request

Technical data

Applied standards EN 60079-0, EN 60079-1, EN 60079-31, EN 60947-5-1
Enclosure aluminium die-cast, hard-coated
Degree of protection IP 65 to IEC/EN 60529
Contact material silver
Switching system snap action
Switching elements 1 change-over contact with single break, type C
Connection pre-wired 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 operating isolation voltage Ui 250 V
Conventional thermal current Ithe 5 A
Utilisation category AC-15; DC-13
Rated operating current/voltage Ie/Ue 5 A/250 VAC; 0.16 A/230 VDC
Short-circuit protection 5 A gG/gN fuse
Ambient temperature –20 °C … +60 °C
Mechanical life > 1 million operations
Operation cycles max. 1800/h
Repeat accuracy of switching points ± 0.1 mm
Impact energy max. 7 J
Ex marking II 2G Ex db IIC T6 Gb
II 2D Ex tb IIIC T80 °C Db
IECEx Ex db IIC T6 Gb
Ex tb IIIC T80 °C Db
Approvals PTB 03 ATEX 1067 X
IECEx PTB 11.0089X
Weight 530 g

Switching diagram

Contact diagram