Ex T 356 4V7H 1Ö/1S-5m

Ex position switch
Material number: 1173695
(Material number old: 96029305)
  • Ex zone 1 and 21
  • Thermoplastic enclosure with metal cover
  • Mounting and switching details to EN 50041
  • Actuator: Adjustable rocking lever 4V7H
  • Actuating speed max. 2.5 m/s with a vertical actuating angle of 30°
  • Wear-resistant plastic roller
  • Actuator can be repositioned by 4 x 90°
  • Lever angle adjustable in 10° steps
  • Attention: Please state required international approvals with your order!

Technical data

Applied standards EN 60947-5-1, EN 60079-0, EN 60079-1, EN 60079-31
Enclosure thermoplastic, glass-fibre reinforced, impact resistant, self-extinguishing UL 94 V-0
Cover steel, enamel finish
Degree of protection IP 65 to IEC/EN 60529
Switch insert 1 x Ex 13
Contact material silver
Switching system slow action
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 5 m
Rated impulse withstand voltage Uimp 4 kV
Rated operating isolation 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; 3 A/24 VDC; 3 A/24 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 II 2G Ex db IIC T6/T5 Gb,
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 1068 X *
IECEx PTB 06.0053X *
*referring to the switch insert

Contact diagram

Switching diagram