Ex safety switch with separate actuator

Ex AZ 16-3D


  • Ex zone 22

  • Thermoplastic enclosure

  • With wiring compartment or pre-wired cable

  • 2 or 3 contacts

  • Multiple coding

Notes

  • The actuator is not included in the delivery of the switches.

Technical data

Applied standards
EN 60947-5-1, EN IEC 60079-0, EN 60079-31, EN ISO 13849-1, EN ISO 14119
Enclosure
thermoplastic, glass-fibre reinforced, shockproof, self-extinguishing UL 94 V-0
Actuator
stainless steel 1.4301
Switch type
type 2
Coding level
low 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 or 2 NC/1 NO, type Zb
Connection
screw connection terminals or cable H05VV-F, 4 x 0.75 mm²
Rated impulse withstand voltage Uimp
4 kV
Rated insulation voltage Ui
250 V
Conventional thermal current Ithe
T6: 6 A, T5: 3 A
Rated operating current/voltage Ie/Ue
3 contacts: 3 A/250 VAC; 0.25 A/230 VDC
2 contacts: 6 A/250 VAC; 0.25 A/230 VDC
Utilisation category
AC-15; DC-13
Short-circuit protection
3 contacts: 3 A gG fuse,
2 contacts: 6 A gG fuse
Mechanical life
> 1 million operations
Impact energy
max. 7 J
Ex marking
L II 3D Ex tc IIIC T80°C/T95°C Dc X

Downloads

Mounting and wiring instructions – Ex AZ 16 2Ö/1S-3D

German, English, French, Italian, Portuguese

PDF 2 MB 16.12.2025
Mounting and wiring instructions – Ex AZ 16 1Ö/1S-3D

German, English, French, Italian, Portuguese

PDF 3 MB 13.11.2025
Please go to the relevant product pages for additional downloads.

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