Ex AD

  • Ex zone 1 and 21
  • Polyester resin enclosure
  • Different variants as junction or terminal boxes available
  • Method of protection either increased safety "e" or intrinsic safety "i" possible
  • 2 different enclosure sizes
    85 x 85 mm; 115 x 115 mm

Technical data

Applied standards EN 60079-0, EN 60079-7, EN 60079-11, EN 60079-18, EN 60079-31
Enclosure polyester resin, glass-fibre reinforced
Tightening torque cover screws: 0.3 … 0.8 Nm
Degree of protection IP 66 to IEC/EN 60529
Connection hood-type or terminal blocks
Cable cross-section Ex AD 85 MK: max. 4 mm², Ex AD 115 MK: max. 6 mm² (incl. conductor ferrules), single-wire
Cable entry max. 6 cable entries
M20 x 1.5 or M25 x 1.5
Rated operating current/voltage Ie/Ue Ex AD 85: 25 A / 550 VAC,
Ex AD 115: 32 A / 750 VAC
Temperature class T6 / T5 / T4
Ambient temperature Ex e:
T6: –40 °C … +40 °C,
T5: –40 °C … +55 °C,
T4: –40 °C … +60 °C;
Ex i:
–40 °C … +75 °C,
–50 °C with special cable glands
Impact energy max. 7 J
Ex marking Ex AD e:
II 2G Ex em II T6, T5, T4
II 2D Ex tD A21 IP66
T80 °C, T95 °C, T130 °C
Ex AD i:
II 2G Ex ia/ib IIA, IIB, IIC
T6,T5
II 2D Ex tD A21 IP66
T80 °C, T95 °C, T130 °C
Approvals PTB 10 ATEX 1019 X

Ordering details

Junction box, Ex "e", 85 x 85 mm

Type   Material no.  
Type    Material no.   
Ex AD 85 e MK4 3xM20 stock type Standard versions, in stock or available at short notice 1186653
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Junction box, Ex "i", 85 x 85 mm

Type   Material no.  
Type    Material no.   
Ex AD 85 i MK4 3xM20 stock type Standard versions, in stock or available at short notice 1186655
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Junction box, Ex "e", 85 x 85 mm

Type   Material no.  
Type    Material no.   
Ex AD 85 e MK5 4xM20 stock type Standard versions, in stock or available at short notice 1186654
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Junction box, Ex "e", 115 x 115 mm

Type   Material no.  
Type    Material no.   
Ex AD 115 e MK8 6xM20 stock type Standard versions, in stock or available at short notice 1186658
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Terminal box, Ex "e", 85 x 85 mm

Type   Material no.  
Type    Material no.   
Ex AD 85 e FK5 3xM20 stock type Standard versions, in stock or available at short notice 1186472
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Terminal box, Ex "e", 115 x 115 mm

Type   Material no.  
Type    Material no.   
Ex AD 115 e FK9 4xM25 stock type Standard versions, in stock or available at short notice 1186474
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.