Ex junction/ terminal box devices

Ex AD 85 i MK4 3xM20

Article no.: 1186655Old article no.: 6721100401

Standard version
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Product features

Ex

  • Ex zone 1 and 21

  • Polyester resin enclosure

  • Junction box, Ex "i" intrinsic safety

  • Dimensions 85 x 85 x 55 mm

  • 2 x cable gland, 1 x closing plug, 3 x nut included in delivery

Technical data

Applied standards
EN IEC 60079-0, EN IEC 60079-7, EN 60079-11, EN 60079-31
Enclosure
polyester resin, glass-fibre reinforced
Tightening torque
cover screws: 1.4 Nm
Degree of protection
IP66 (IEC/EN 60529)
Connection
mantle terminals
Cable cross-section
1.5 … 4 mm²
Cable entry
3 x M20 x 1.5 (incl. 2 cable glands)
Clamping range
4 … 13 mm
Rated operating current Ie
see table
Rated operating voltage Ue
60 V
Temperature class
T6 / T5
Ambient temperature
–40 °C … +75 °C,
–50 °C with special cable glands
Impact energy
max. 7 J
Ex marking
L II 2G Ex ia IIC T6
L II 2D Ex tD A21 IP66 T80 °C
Approvals
PTB 10 ATEX 1019 X
Weight
400 g

Dimensional drawing

Downloads

Mounting and wiring instructions – Ex AD

German, English, French, Italian, Portuguese

PDF2 MB 13.11.2025

Ex junction/ terminal box devices

Ex AD 85 i MK4 3xM20

Article no.: 1186655Old article no.: 6721100401

Standard version
contact us