MEDC XB4 Technische Anleitung Seite 5

Carefully replace the cover assembly back onto the base, avoiding damage to the mating surfaces, and ensuring
the o-ring remains correctly seated in its groove during re-assembly. Fully tighten the 3 off M8 cover screws (6.0mm
A/F hexagon key). Ensure the required gap (0.15mm max.) is maintained between the cover and enclosure
5.0 CERTIFICATION/APPROVALS
IECEx units
Certified to IEC60079-0, IEC60079-1, IEC60079-7 and IEC60079-31
Ex d unit (IEC certification No. IECEx BAS 10.0078X)
Ex d IIB T4 (-55°C to +85°C) Gb
Ex td IIIC T135°C (-55°C to +85°C) Db IP6x
Ex d IIB T5 (-55°C to +55°C) Gb
Ex td IIIC T100°C (-55°C to +55°C) Db IP6x
Ex d IIB T6 (-55°C to +40°C) Gb
Ex td IIIC T85°C (-55°C to +40°C) Db IP6x
The IECEx certificate and product label carry the IECEx equipment protection level marking
Gb
Db
Where Gb signifies suitability for use in a Zone 1 surface industries area in the presence of gas.
Where Db signifies suitability for use in a Zone 21 surface industries area in the presence of dust.
ATEX units
Certified to EN60079-0, EN60079-1, EN60079-7 and EN60079-31
Ex d unit (ATEX certification No. Baseefa02ATEX0224X)
Ex d IIB T4 (-55°C to +85°C)
Ex td IIIC T135°C (-55°C to +85°C) Db IP6x
Ex d IIB T5 (-55°C to +55°C)
Ex td IIIC T100°C (-55°C to +55°C) Db IP6x
Ex d IIB T6 (-55°C to +40°C)
Ex td IIIC T85°C (-55°C to +40°C) Db IP6x
The ATEX certificate and product label carry the ATEX group and category marking:
II 2 GD
Where:
Signifies compliance with ATEX
II Signifies suitability for use in surface industries
2 Signifies suitability for use in a zone 1 area
G Signifies suitability for use in the presence of gases
D Signified suitability for use in the presence of dust
© MEDC 2015 07/15