ABB ACH580-01 - Page 20

20 ACH580 Installation, Operation and Maintenance Manual
ACH580-01 Installation
3) Frames R4 and R5 are evaluated for use on corner-grounded delta networks by
UL standards. R4 and R5 frames may not be used on IEC installations with corner
grounded networks.
ACH580-01 except North America
Bold represents change greater from default material.
1) Optional, for greater noise filtering.
3) Frames R4 and R5 are evaluated for use on corner-grounded delta networks by
UL standards. R4 and R5 frames may not be used on IEC installations with corner
grounded networks.
TN system IT system TT system
Frame Connection
Default
Figures A
Figure D Figure E
R1...R3
EMC (DC) Metal Nylon
1)
Nylon
VAR Metal Nylon Nylon
R4
3)
EMC (DC) Metal Nylon
1)
Nylon
EMC (AC) Metal Nylon Nylon
VAR Metal Nylon Nylon
R5
3)
EMC (DC) Metal Nylon
1)
Nylon
EMC (AC) Metal Nylon Nylon
VAR Metal Nylon Nylon
R6...R9
EMC (DC) Metal Nylon
1)
Nylon
EMC (AC) Metal Nylon Nylon
VAR Metal Nylon Nylon
ACH580_Inst_Op_Maint_Rev G.book Page 20