Ex 97 AZ

  • Ex zone 1 and 21
  • Thermoplastic enclosure, double insulated
  • Cold-resistant down to -60 °C
  • High degree of protection IP 66 / IP 67 / IP 69
  • Wiring compartment
  • Mounting details to EN 50047
  • With 3 contacts available on request
  • N.B.: Please state required international approvals with your order!
Notes
  • 1 Ex"e" cable gland M20x1.5 included in delivery
  • 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 60079-7,
EN 60079-31; EN ISO 13849-1;
EN ISO 14119
Enclosureglass-fibre reinforced, shock-proof thermoplastic, self-extinguishing UL 94 V-0
Coverglass-fibre reinforced, shock-proof thermoset material, self-extinguishing UL 94 V-0
Sealingsilicone
Switch typetype 2
Coding levellow coding
Tightening torquecover screws: 0.4 … 0.45 Nm
connecting thread of cable gland: max. 2 Nm
cap nut of cable gland: max. 5 Nm
Switch insertType 8080/1 ...
Degree of protectionIP 66 to EN 60079-0 + IEC/EN 60529 (... -60 °C)
IP 67 to EN 60079-0 + IEC/EN 60529 (... -20 °C)
IP 67 / IP 69 to IEC/EN 60529
IP 69K to ISO 20653
Contact materialSilver, nickel-plated
Switching systemslow action, positive break NC contacts
Switching elements1 NC/1 NO contact or 2 NC contacts, type Zb
Connectionscrew connection terminals
Cable cross-sectionmin. 0,75 mm² / AWG 18, max. 1,5 mm² / AWG 16, incl. conductor ferrules
Cable entryM20 x 1,5; screwing depth max. 9 mm; use only Ex approved and certified cable glands with min. degree of protection IP 66 and suitable for the specified ambient temperature range
B10d (10 % load)2 million
TMmax. 20 years
Utilisation categoryAC-15
Rated operating current Iemax. 2 A or 4 A
Rated operating voltage Uemax. 500 VAC, 2Ö: max. 400 VAC
max. 250 VAC for unequal potential
Mechanical life> 1 million operations
Impact energymax. 7 J
Temperature classT6
Ambient temperature–60 °C … +55 °C max. 4 A, +60 °C max. 2 A
Short-circuit protection2 A / 4 A gG/gN fuse
Ex marking II 2G Ex db eb IIC T6 Gb,
II 2D Ex tb IIIC T80 °C Db
IECEx Ex db eb IIC T6 Gb,
Ex tb IIIC T80 °C Db
ApprovalsBVS 16 ATEX E 052
IECEx BVS 16.0052

Ordering details

Slow action

1 NC/1 NO contact

Type   Material no.  
Type    Material no.   
Ex ES 97 AZ-11 -60°C 1360289
Type    Material no.   
Ex ES 97 AZ/90°-11 -60°C 1228646
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Slow action

2 NC contacts

Type   Material no.  
Type    Material no.   
Ex ES 97 AZ-02 -60°C 1440509
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Actuators

Type   Material no.  
Type    Material no.   
Straight actuator AZ 95/97-B1 stock type Standard versions, in stock or available at short notice 1178645
Type   Material no.  
Type    Material no.   
Angled actuator AZ 95/97-B5 stock type Standard versions, in stock or available at short notice 1178646