Ex AZ 16-3D


  • Ex zone 22
  • Thermoplastic enclosure
  • Multiple coding
  • Slow action , 2 NC/1 NO contact with double break
  • Wiring compartment
  • The actuator is not included in the delivery of the switches

Technical data

StandardsEN 60947-5-1; EN 60079-0, -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
Actuatorstainless steel 1.4301
Switch typetype 2
Coding levellow coding
Degree of protectionIP 65 to IEC/EN 60529
Contact materialsilver
Switching systemslow action, positive break NC contacts
Switching elements2 NC/1 NO contact, type Zb
Connectionscrew connection terminals
Cable entry3 x M20 x 1.5
B10d (10 % Load)2 million
TMmax. 20 years
Uimp4 kV
Ui250 V
ItheT6: 6 A, T5: 3 A
Ie/Ue3 A/250 VAC; 0.25 A/230 VDC
Utilisation categoryAC-15; DC-13
Max. fuse rating3 A gG/gN fuse
Positive break travel9.5 mm
Positive break forceapprox. 15 N
Ambient temperatureT80 °C: –20 °C … +55 °C;
T95 °C: –20 °C … +75 °C
Mechanical life> 1 million operations
Impact energymax. 7 J
Ex marking II 3D Ex tc IIIC T80°C/T95°C Dc
Ordering details

Slow action

2 NC/1 NO contact

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