KROHNE H250 M40 NEPSI Ex d-Ex t - Manual (Page 2)

CONTENTS
2 www.krohne.com 06/2013 - 4002868601 MA H250-M40-NEPSI-Ex-d-R01-AD-
H250 M40
1 Safety instructions 3
1.1 General notes ................................................................................................................... 3
1.2 NEPSI conformity ............................................................................................................. 3
1.3 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........................................................................................................... 12
4 Electrical connections 13
4.1 General notes ................................................................................................................. 13
4.2 Power supply .................................................................................................................. 14
4.3 Inputs/outputs ................................................................................................................ 14
4.4 Grounding and equipotential bonding............................................................................ 15
5 Operation 16
5.1 Start up ........................................................................................................................... 16
5.2 Operation ........................................................................................................................ 16
5.3 Electrostatic charge ....................................................................................................... 16
6 Service 17
6.1 Maintenance ................................................................................................................... 17
6.2 Dismantling .................................................................................................................... 17
7 Attachment 19
8 Notes 23
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