Fusing by Protective Grounding in IT Mains (Ungrounded Mains)
A)
Control cabinet
B)
Error
①
Joint bar equipment grounding conductor
②
Aim of protective measures: Contact voltage < 50 V at housing
③
DC bus connection L+/L-
Fig.7-13:
Protection Against Contact by Overcurrent Protection Device in IT
Mains
Bosch Rexroth AG
DOK-INDRV*-SYSTEM*****-PR06-EN-P
Rexroth IndraDrive Drive Systems with HMV01/02 HMS01/02, HMD01, HCS02/03
88/309
Project Planning of Mains Connection