282
When to disconnect ground-to-phase varistor: TN-S, IT, corner-grounded delta and
mid-point-grounded delta systems ..........................................................
283Guidelines for installing the drive to a TT system .........................................
284Disconnecting the ground-to-phase varistor – IEC, not North America ..............
29 Connecting EMC filter and ground-to-phase varistor – North America
285Contents of this chapter ........................................................................
285Identifying the grounding system of the electrical power network ...................
286
When you can connect the EMC filter and ground-to-phase varistor: TN-S, IT,
corner-grounded delta and mid-point-grounded delta systems .......................
287Connecting EMC filter – North America ......................................................
287Connecting ground-to-phase varistor – North America ..................................
Step-by-step drawings for an installation example of a drive module with the
+B051 option in a Rittal VX25 600 mm wide enclosure
Step-by-step drawings for installing full cabling panels (option +H381) in a Rittal
VX25 400 mm wide enclosure
293Installation procedure ...........................................................................
294Installation procedure (continued) ...........................................................
Further information
16 Table of contents
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