4. EX version
PLANETA hoists in the Ex version are designed for maximum deployment
conditions in the respective stated Ex class and may only be used in these or lower-
classed Ex classes.
The respective Ex classification is shown on a separate label on the hoist.
The temperature class stated on the nameplate must be observed, whereby it must
be ensured that the maximum surface temperature is not exceeded.
PLANETA hoists are equipped for the following usage conditions in Ex areas depending on the
version:
> Deployment in zones 1, 2, 21 and 22
> Temperature classes to T4 or 135°C
> For gases in explosion groups IIA, IIB, IIC and dusts
The following tables give a short overview:
Zone distribution:
Flammable
materials
Classification of
potentially
explosive areas
Equipment
group
Eqpt Category
Probability of Ex
atmosphere
Gases &
Zone 0
II
1G
constant, long-
term or frequent
vapours
Zone 1
II
2G or 1G
occasionally
Zone 2
II
3G or 2G or1G
probably not
Zone 20
II
1D
constant
Dust
Zone 21
II
2D or 1D
occasionally
Zone 22
II
3D or 2D
probably not
