Ex position switch

Ex T 356


  • Ex zone 1 and 21

  • Thermoplastic enclosure with metal cover

  • Slow action

  • Mounting and switching details to EN 50041

  • With pre-wired cable

  • Actuator can be repositioned by 4 x 90°

  • Rocking lever can be repositioned by 10° steps

  • Attention: Please state required international approvals with your order!

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
thermoplastic, glass-fibre reinforced, shockproof, self-extinguishing UL 94 V-0
Cover
steel, enamel finish
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 13
Contact material
silver
Switching system
slow action, positive break NC contacts A; positive break depends on the actuator used
Switching elements
1 NC/1 NO contact, type Zb
Connection
cable H05VV-F
Cable cross-section
4 x 0.75 mm² (incl. conductor ferrules)
Cable length
2 or 5 m
Rated impulse withstand voltage Uimp
4 kV
Rated insulation voltage Ui
250 V
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 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
Approvals
PTB 03 ATEX 1068 X *
IECEx PTB 06.0053X *
f d
* referring to the switch insert

Downloads

Mounting and wiring instructions – Ex T 356

German, English, French, Italian, Portuguese

PDF 4 MB 30.03.2026
Please go to the relevant product pages for additional downloads.

Variants / Options

The following variants / options are available on request:

  • Special version only for dust Ex zone 22

to your contact persons