Ex AZ 16

  • Ex zone 1 and 21
  • Thermoplastic enclosure
  • Multiple coding
  • With wiring compartment or pre-wired cable
  • Special version only for dust Ex zone 22 available
  • N.B.: Please state required international approvals with your order!
Note
  • The actuator is not included in the delivery of the switches

Technical data

Applied standardsEN 60947-5-1; EN 60079-0,
EN 60079-1, EN 60079-31;
EN ISO 13849-1; EN ISO 14119
Enclosureglass-fibre reinforced, shock-proof thermoplastic, self-extinguishing UL 94 V-0
Switch typetype 2
Coding levellow coding
Actuatorstainless steel 1.4301
Degree of protectionIP 65 to IEC/EN 60529
Contact materialsilver
Switching systemslow action, positive break NC contacts
Switching elements1 NC/1 NO contact or 2 NC/1 NO, type Zb
Connectionscrew connection terminals or cable H05VV-F, 4 x 0.75 mm²
B10d (10 % load)2 million
TMmax. 20 years
Rated impulse withstand voltage Uimp4 kV
Rated operating isolation voltage Ui250 V
Conventional thermal current Ithe3 contacts: 3 A;
2 contacts: T6: 6 A, T5: 3 A
Rated operating current/voltage Ie/Ue3 contacts:
3 A/250 VAC; 0.25 A/230 VDC
2 contacts:
6 A/250 VAC; 0.25 A/230 VDC
Utilisation categoryAC-15; DC-13
Short-circuit protection3 contacts: 3 A gG/gN fuse,
2 contacts: 6 A gG/gN fuse
Positive break travel9.5 mm
Ambient temperature3 contacts:
T6: –20 °C … +55 °C;
T5: –20 °C … +70 °C
2 contacts:
T6: –20 °C … +65 °C,
T5: –20 °C … +75 °C, +90 °C with max. 3 A
Mechanical life> 1 million operations
Impact energymax. 7 J
Ex marking3 contacts:
II 2G Ex de IIC T6/T5 Gb,
II 2D Ex tb IIIC
T80 °C/T95 °C Db
IECEx Ex de IIC T6/T5 Gb,
Ex tb IIIC T80 °C/T95 °C Db

2 contacts:
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
Approvals3 contacts:
PTB 13 ATEX 1008 X
IECEx PTB 13.0014X


2 contacts:
PTB 03 ATEX 1068 X*
IECEx PTB 06.0053X*


*referring to the switch insert

Ordering details

Wiring compartment

Slow action, 2 NC/1 NO contact

Type   Material no.  
Type    Material no.   
Ex AZ 16 2Ö/1S stock type Standard versions, in stock or available at short notice 1210562
Type    Material no.   
Ex AZ 16 2Ö/1S-5N stock type Standard versions, in stock or available at short notice 1210564
Type    Material no.   
Ex AZ 16 2Ö/1S-30N stock type Standard versions, in stock or available at short notice 1210566
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Cable

Slow action, 1 NC/1 NO contact

Type   Material no.  
Type    Material no.   
Ex AZ 16 1Ö/1S - 2m 1172494
Type    Material no.   
Ex AZ 16 1Ö/1S-30N - 2m 1172472
Type    Material no.   
Ex AZ 16 1Ö/1S - 5m stock type Standard versions, in stock or available at short notice 1172484
Type    Material no.   
Ex AZ 16 1Ö/1S-30N - 5m stock type Standard versions, in stock or available at short notice 1172264
Type    Material no.   
Ex AZ 16 1Ö/1S - 10m 1175316
Type    Material no.   
Ex AZ 16 1Ö/1S-30N - 10m 1173186
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Actuators

Straight actuators

Type   Material no.  
Type    Material no.   
AZ 15/16-B1 stock type Standard versions, in stock or available at short notice 1172495
Type    Material no.   
AZ 15/16-B1-1747 with magnetic latch stock type Standard versions, in stock or available at short notice 1172954
Type    Material no.   
AZ 15/16-B1-2024 with slot lip-seal stock type Standard versions, in stock or available at short notice 1477538
Type    Material no.   
AZ 15/16-B1-2053 with ball latch stock type Standard versions, in stock or available at short notice 1172956
Type    Material no.   
AZ 15/16-B1-2177 with centering guide stock type Standard versions, in stock or available at short notice 1172957
Type    Material no.   
AZ 15/16-B1-2245 with rubber stock type Standard versions, in stock or available at short notice 1477477

Flexible actuators

Type   Material no.  
Type    Material no.   
AZ 15/16-B2 stock type Standard versions, in stock or available at short notice 1172616
Type    Material no.   
AZ 15/16-B2-1747 with magnetic latch stock type Standard versions, in stock or available at short notice 1477542
Type    Material no.   
AZ 15/16-B3 stock type Standard versions, in stock or available at short notice 1172617
Type    Material no.   
AZ 15/16-B3-1747 with magnetic latch stock type Standard versions, in stock or available at short notice 1477543
Type    Material no.   
AZ 15/16-B6 stock type Standard versions, in stock or available at short notice 1175024

Accessories