REXROTH IndraDrive C - Page 155

Rexroth IndraDrive Requirements to the Mains Connection 10-17
DOK-INDRV*-SYSTEM*****-PR02-EN-P
Fusing by Protective Grounding in IT Mains
(Ungrounded Mains)
L1
L2
L3
HCS02
HCS03
HMS
HMD
HMS
HMD
HMV
HCS03
HMS
HMD
HMS
HMD
HLB01.1
HLC01.1
M
3
M
3
M
3
M
3
3
3
3
M
3
M
3
joint bar of equipment grounding conductors
aim of protective measures: contact voltage < 50V at housing
control cabinet
IT mains (ungrounded mains)
HLB01.1
HLC01.1
HCS02
1
2
11111
2
M
2
3
error
3 3 3 3 3 3
DC bus connection L+/L-
3
PE
DA000009_en.fh7
Fig. 10-24: Protection against contact by overcurrent protection device in IT
mains