Ex AZ 16-3D

  • Ex zone 22
  • Thermoplastic enclosure
  • Multiple coding
  • With wiring compartment or pre-wired cable
Note
  • The actuator is not included in the delivery of the switches

Technical data

Applied standards EN 60947-5-1, EN 60079-0, EN 60079-31, 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 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 II 3D Ex tc IIIC T80°C/T95°C Dc

Ordering details

Wiring compartment, Slow action, 2 NC/1 NO contact

Type   Material no.  
Type    Material no.   
Ex AZ 16 2Ö/1S-3D 1210553
Type    Material no.   
Ex AZ 16 2Ö/1S-5N-3D 1210556
Type    Material no.   
Ex AZ 16 2Ö/1S-30N-3D 1210560

Cable, Slow action, 1 NC/1 NO contact

Type   Material no.  
Type    Material no.   
Ex AZ 16 1Ö/1S-3D - 5m 1178137
Type    Material no.   
Ex AZ 16 1Ö/1S-3D - 10m 1180935
Type    Material no.   
Ex AZ 16 1Ö/1S-30N-3D - 2m 1178217
Type    Material no.   
Ex AZ 16 1Ö/1S-30N-3D - 5m 1177832

Actuators

Straight actuators

Type   Material no.  
Type    Material no.   
AZ 15/16-B1 1172495
Type    Material no.   
AZ 15/16-B1-1747 with magnetic latch 1172954
Type    Material no.   
AZ 15/16-B1-2024 with slot lip-seal 1477538
Type    Material no.   
AZ 15/16-B1-2053 with ball latch 1172956
Type    Material no.   
AZ 15/16-B1-2177 with centering guide 1172957
Type    Material no.   
AZ 15/16-B1-2245 with rubber 1477477

Flexible actuators

Type   Material no.  
Type    Material no.   
AZ 15/16-B2 1172616
Type    Material no.   
AZ 15/16-B2-1747 with magnetic latch 1477542
Type    Material no.   
AZ 15/16-B3 1172617
Type    Material no.   
AZ 15/16-B3-1747 with magnetic latch 1477543
Type    Material no.   
AZ 15/16-B6 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