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

Technical data

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 (PA 66), self-extinguishing UL 94-V0
Tightening torquecover screws 0.5 … 0.6 Nm; switch inserts M3 screw connection terminals min. 0.6 Nm
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
Uimp4 kV
Ui250 V
Ithe3 contacts: 3 A;
2 contacts: T6: 6 A, T5: 3 A
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
Max. fuse rating3 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.
Ex AZ 16 2Ö/1S 1210562
Ex AZ 16 2Ö/1S-5N 1210564
Ex AZ 16 2Ö/1S-30N 1210566
Type   Material no.
Lockout tag SZ 16/335 1170535
Type   Material no.
Slot sealing plug AZ 15/16-1476 1172961
Type   Material no.
Ball latch 2053-2 on request Produced to order.
Type   Material no.
Front mounting AZ 16-1762 on request Produced to order.