Electrical installation 25
Protective Earth (PE) Connection
Grounding Guidelines
• The ground terminal of each ACS260 should be individually connected
DIRECTLY to the site ground bus bar (through the filter if installed). ACS260
ground connections should not loop from one drive to another, or to, or from any
other equipment.
• Ground loop impedance must confirm to local industrial safety regulations.
• To meet UL regulations, UL approved ring crimp terminals should be used for all
ground wiring connections.
• The drive Safety Ground must be connected to system ground.
• Ground impedance must conform to the requirements of national and local
industrial safety regulations and/or electrical codes.
• The integrity of all ground connections should be checked periodically.
Protective Earth Conductor
The cross-sectional area of the PE Conductor must be at least equal to that of the
incoming supply conductor.
PE Connection
The PE connection must be directly connected to ground. PE connection locations for
each model are highlighted below.
Frame Size R1
PE
ACS260-04.book Page 25 Thursday, December 24, 2020 4:33 PM
Содержание ACS260-04 Series
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