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Electrical installation
78
12-pulse connection, two supply modules in parallel
PE
***)
*)
Notes:
*)
Fuses are not required if the input power line is constructed of busbars that withstand the transformer
short circuit current.
**)
No bridging (connecting 1L1 to 2L1, 1L2 to 2L2, and 1L3 to 2L3) is allowed!
There are two separate incoming cubicles – one for terminals 1L1, 1L2 and 1L3, the other for 2L1, 2L2
and 2L3 – if
a)
the unit is equipped with air circuit breakers,
b)
the drive is UL listed, or
c)
the incoming
cubicle is designed for a busbar connection.
The cable lead-through details (number and size of holes), and cable connection details (number and
dimensions of busbars, tightening torque) are given in chapter
Technical data
, section
Input power
connection.
***)
There are no contactors inside the modules when the drive is equipped with air circuit breakers.
PE
Incoming cubicle
Supply module cubicle
**)
1L1
1L2
1L3
2L2
2L3
2L1
Switching, breaking,
disconnecting and
grounding devices
Switching, breaking,
disconnecting and
grounding devices
***)
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: [email protected]
Summary of Contents for ACS800-07-0610-3
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