Ex safety switch with separate actuator

Ex AZ 16-3D

  • Ex zone 22

  • Thermoplastic enclosure

  • Multiple coding

  • With wiring compartment or pre-wired cable

  • 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


thermoplastic, glass-fibre reinforced, shockproof, self-extinguishing UL 94 V-0


stainless steel 1.4301

Switch type

type 2

Coding level

low coding

Degree of protection

IP67 (IEC/EN 60529)

B10d (10 % load)

2 million


max. 20 years

Contact material


Switching system

slow action, positive break NC contacts A

Switching elements

1 NC/1 NO contact or 2 NC/1 NO, type Zb


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/gN fuse,
2 contacts: 6 A gG/gN 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


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

German [de], English [en], French [fr], Italian [it], Portuguese [pt], Russian [ru]

PDF 4 MB 18.09.2023
Mounting and wiring instructions – Ex AZ 16 1Ö/1S-3D

German [de], English [en], French [fr], Italian [it], Portuguese [pt]

PDF 3 MB 05.10.2023
Please go to the relevant product pages for additional downloads.

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