LENZE
General
Explosion protection
1
1-7
G-motion atex en 06/2011
Categories and zones
Category
Zone
Degree of protection
Operating conditions/availability
1G
0
Very high
1D
20
2G
1)
1
High
2D
1)
21
3G
1)
2
Normal
3D
1)
22
Explosive atmosphere is present frequently and for long periods. Special machine
manufacture - not included in the gearbox manufacturer's range of products.
Explosive atmosphere is present at intervals.
Lenze drive components can be supplied for constant and variable output speeds.
Explosive atmosphere is present only rarely and for short periods.
Lenze drive components can be supplied for constant and variable output speeds.
Gearbox
(mechanical devices)
1)
Sections marked in grey can be provided with Lenze drives.
Types of protection
Device type
Type of protection
Standard
Description
c
1)
EN 13463 Part 5
Constructional safety
k
1)
EN 13463 Part 8
Liquid immersion