KROHNE H250 M40 ATEX II2D Ex t-II2G Ex d EN - Manual (Page 2)

CONTENTS
2 www.krohne.com 07/2012 - 4002069601 - MA H250/M40-Ex-II2GD-AD R01 en
H250 M40
1 Safety instructions 3
1.1 General notes ................................................................................................................... 3
1.2 EC conformity ................................................................................................................... 3
1.3 Approval according to the IECEx scheme ........................................................................ 3
1.4 Security information......................................................................................................... 3
2 Device description 4
2.1 Description of device ........................................................................................................ 4
2.2 Description code............................................................................................................... 4
2.3 Marking............................................................................................................................. 5
2.4 Flammable products ........................................................................................................ 6
2.5 Device category ................................................................................................................ 6
2.6 Protection types................................................................................................................ 7
2.7 Ambient temperature / temperature classes.................................................................. 8
2.8 Electrical data................................................................................................................. 11
3 Installation 12
3.1 Installation...................................................................................................................... 12
3.2 Special conditions........................................................................................................... 13
4 Electrical connections 14
4.1 General notes ................................................................................................................. 14
4.2 Power supply .................................................................................................................. 15
4.3 Inputs/outputs ................................................................................................................ 15
4.4 Grounding and equipotential bonding............................................................................ 16
5 Operation 17
5.1 Start up ........................................................................................................................... 17
5.2 Operation ........................................................................................................................ 17
5.3 Electrostatic charge ....................................................................................................... 17
6 Service 18
6.1 Maintenance ................................................................................................................... 18
6.2 Dismantling .................................................................................................................... 18
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