Okta Box Ex


Further Information

Product Categories

Product Overview

  • Glass fibre reinforced polyester enclosure system for applications in all Ex-areas
  • Empty enclosures for individual fittings and Ex e / Ex ia junction boxes
  • Enclosures with external fixing brackets
  • Temperature classes T6 / T5 / T4

Technical Data

Explosion protection
II 2 G
II 2 D
Ex e II T6 (increased safety)
Ex ia IIC T6 (intrinsic safety)
Ex e(ia) IIC T6 (mixed fitting)

IECEx PTB 08.0003U, PTB 01 ATEX 1061U, Gost R, INMETRO MC AEX-8296-U, Gost K
IECEx PTB 08.0004, PTB 00 ATEX 1002, Gost R, INMETRO MC AEX-8503-X, Gost K

glass fibre reinforced duroplastic polyester, graphite added

RAL 9011, graphite black

Ingress protection
IP 66 to EN 60529

Impact resistance
7 Joule to EN 60079-0

self-extinguishing, UL 94 V-0

Surface resistance
<109 Ohm to IEC 60093


Temperature range
-20°C to +40°C (corresponds T6 = 85°C max. surface temperature)
-20°C to +55°C (corresponds T5 = 100°C max. surface temperature)
-20°C to +90°C (corresponds T4 = 135°C max. surface temperature)
to -55°C with special marking on request