Protection Against Short-Circuit Inside The Drive Or In The Supply Cable - ABB ACS800-04 Hardware Manual

42

Protection against short-circuit inside the drive or in the supply cable

Arrange the protection according to the following guide lines.
Distribution
board
1)
2)
Distribution
board Input cable
3)
1) Size the fuses according to instructions given in chapter Technical data. The fuses will protect the input
cable in short-circuit situations, restrict drive damage and prevent damage to adjoining equipment in
case of a short-circuit inside the drive.
Planning the electrical installation
Circuit diagram
DRIVE IS NOT EQUIPPED WITH INPUT FUSES
Drive or drive
Input cable module
~
~
DRIVE IS EQUIPPED WITH INPUT FUSES
Drive
4)
~
Drive
4)
~
Drive type
ACS800-01
ACS800-U1
ACS800-02
ACS800-U2+0C111
~
M
ACS800-11
3~
ACS800-U11
ACS800-31
ACS800-U31
ACS800-04
~
M
3~
ACS800-U4
ACS800-02+C111
ACS800-U2
ACS800-07
ACS800-U7
~
M
3~
~
M
3~
Short-circuit
protection
Protect the drive and
input cable with fuses
or a circuit breaker.
See footnotes 1) and
2).
Protect the input cable
with fuses or a circuit
breaker according to
local regulations. See
footnotes 3) and 4).