English-4 PowerFlex 400P Adjustable Frequency AC Drive Quick Start
Ungrounded Distribution Systems
Phase to Ground MOV Removal
Jumper Location
Note: Frame D, G and H drives do not contain a MOV to ground
connection and are suitable for operation in both grounded and
ungrounded distribution systems without modification.
General Grounding Requirements
PE
L1
R
L2
S
L3
T
T1
U
T2
V
T3
W
PE
Required
Input Fusing
Required Branch
Circuit Disconnect
ATTENTION: PowerFlex 400P drives contain protective MOVs that
are referenced to ground. These devices must be disconnected if the
drive is installed on an ungrounded or resistive grounded distribution
system.
R/L1
S/L2
T/L3
123
4
Three-Phase
AC Input
Jumper
Frame C Frame E and F
Important:
Tighten screw
after jumper removal.
22P-QS001C-EN-P.fm Page 4 Thursday, March 30, 2017 5:55 PM