Ex AZ 16

  • Ex zone 1 and 21
  • Thermoplastic enclosure
  • Multiple coding
  • 2 or 3 contacts
  • With wiring compartment or pre-wired cable
  • Special version only for dust Ex zone 22 available
  • Attention: Please state required international approvals with your order!
Note
  • The actuator is not included in the delivery of the switches

Technical data

Applied standards EN 60947-5-1, EN 60079-0, EN 60079-1, EN 60079-31, EN ISO 13849-1, EN ISO 14119
Enclosure thermoplastic, glass-fibre reinforced, impact resistant, self-extinguishing UL 94 V-0
Actuator stainless steel 1.4301
Switch type type 2
Coding level low coding
Degree of protection IP 65 to IEC/EN 60529
B10d (10 % load) 2 million
TM max. 20 years
Contact material silver
Switching system slow action, positive break NC contacts
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 3 contacts: 3 A;
2 contacts: 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
Positive break travel 9.5 mm
Ambient temperature 3 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 energy max. 7 J
Ex marking 3 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
Approvals 3 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

Lockout tag SZ 16/335
  • To prevent inadvertent closing, e. g. during maintenance by preventing actuation of the switch
  • For complex plants
  • Up to 6 padlocks can be fitted
  • The lockout tag can be fixed on a chain near to the safety switch
Slot sealing plug AZ 15/16-1476
  • For protection against the ingress of coarse dirt
  • To cover unused actuator slots
  • Simple clip-in fitting
  • Quantity required: 3 per switch
Ball latch 2053-2
  • Additional ball latch for stable latching of light to medium-weight guards
  • For separate mounting on the guard
  • Latching force adjustable up to 100 N
Front mounting AZ 16-1762
  • Suitable for actuators B1, B2, B3 and B6
  • Equipped with square nuts for front mounting of switch
  • Ordering suffix: -1762
  • No retrofitting
M5 x 12 Tamperproof screws
  • To mount the actuator
  • Higher protection against tampering with interlock
  • Protects against unauthorised removal of actuator
  • Length: 12 mm
M5 x 16 Tamperproof screws
  • To mount the actuator
  • Higher protection against tampering with interlock
  • Protects against unauthorised removal of actuator
  • Length: 16 mm
M5 x 20 Tamperproof screws
  • To mount the actuator
  • Higher protection against tampering with interlock
  • Protects against unauthorised removal of actuator
  • Length: 20 mm