KROHNE H250 M40 NEPSI Ex nA - Manual (Page 2)

CONTENTS
2 www.krohne.com 03/2013 - 4002616601 AD H250 M40 NEPSI Ex nA R01 en
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 Device description ............................................................................................................ 4
2.2 Description code............................................................................................................... 4
2.3 Marking............................................................................................................................. 5
2.4 Flammable products ........................................................................................................ 6
2.5 Device category ................................................................................................................ 6
2.6 Types of protection ........................................................................................................... 6
2.7 Ambient temperature / temperature classes.................................................................. 7
2.8 Electrical data................................................................................................................. 13
3 Installation 14
3.1 Installation...................................................................................................................... 14
4 Electrical connections 15
4.1 General notes ................................................................................................................. 15
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
7 Attachment 19
8 Notes 22
AD_H250_M40_NEPSI_Ex_nA_R01_en_4002616601_PRT.book Page 2 Friday, March 8, 2013 8:50 AM