KROHNE H250 M40 ATEX II2G Ex i EN - Manual (Page 2)

CONTENTS
2 www.krohne.com 08/2012 - 4001481101 MA H250/M40-Ex-II2G-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 Device description ............................................................................................................ 4
2.2 Description code............................................................................................................... 4
2.3 Marking............................................................................................................................. 5
2.4 Flammable products ........................................................................................................ 6
2.5 Equipment category ......................................................................................................... 6
2.6 Protection types................................................................................................................ 7
2.7 Ambient temperature / temperature classes.................................................................. 8
2.8 Electrical data................................................................................................................. 15
3 Installation 16
3.1 Installation...................................................................................................................... 16
4 Electrical connections 17
4.1 General notes ................................................................................................................. 17
4.2 Power supply .................................................................................................................. 17
4.3 Inputs/outputs ................................................................................................................ 17
4.4 Grounding and equipotential bonding............................................................................ 17
5 Operation 18
5.1 Start-up........................................................................................................................... 18
5.2 Operation ........................................................................................................................ 18
5.3 Electrostatic charge ....................................................................................................... 18
6 Service 19
6.1 Maintenance ................................................................................................................... 19
6.2 Dismantling .................................................................................................................... 19
AD_H250_M40_II2G_R01_en_4001481101_PRT.book Page 2 Wednesday, August 1, 2012 8:00 AM