7
Certification
The SA POWERNET EX MDU is ATEX & UKEX certified as transportable equipment for use in
Zone 1 and 2 (Gas) and Zone 21 and 22 (Dust) areas. Each MDU has a marking plate bearing the specific
product information and certification details as follows:
ATEX certificate number
BASEEFA 11 ATEX 0107X
UKEX certificate number
BAS22UKEX0002X
Certification Marking
II 2 G D
Ex db eb IIB/IIC T6 Gb
Ex
tb
IIIC
Db
T85°C
II 2 G D
Explosive Atmospheres Symbol
II
Equipment Group II - Certified for use above ground (i.e. not mines)
2 G D
Equipment Category 2 – Gas and Dust - Certified for Zone 1 and 21 classified areas (inc. Zone 2
and 22)
Gas certification - Ex db eb IIC T6 Gb
db eb
Indicates protection methods used to achieve Ex gas certification
IIC
Gas equipment group IIC - Suitable for areas with IIA, IIB, IIC gases
T6
Temperature Classification (Gas) - surface temperature will not exceed 85°C
Gb
Equipment Protection Level – High Level of Protection
Certified for Zone 1 classified areas (inc. Zone 2)
Dust certification - Ex tb IIIC Db T85°C
tb
Indicates protection methods used to achieve Ex dust certification
IIIC
Dust equipment group IIIC - Suitable for areas with IIIA, IIIB, IIIC dust
T85°C
Temperature Classification (Dust) - surface temperature will not exceed 85°C
Gb
Equipment Protection Level – High Level of Protection
Certified for Zone 21 classified areas (inc. Zone 222)
Note:
Not all variations are dust certified – check marking plate on product
Operating Temperature
Ta -40/20°C to +40°C
Certified for use in areas with ambient temperatures within this range
Ingress Protection
IP66
Suitable for use outdoors in all normal weather conditions as the electrical enclosures have at
least this level of ingress protection
