Input Power Connection - Units With Main Switch-Disconnector; Or Main Breaker (Option +F253 Or +F255); Connection Diagrams; Six-Pulse Connection, Two Dsu Modules In Parallel - ABB ACS800 Hardware Manual

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Input power connection – Units with main switch-disconnector

or main breaker (option +F253 or +F255)

Connection diagrams

Six-pulse connection, two DSU modules in parallel

)
*
L1
L2
L3
Notes:
)
*
Fuses are not required if the input power line is constructed of busbars that withstand the transformer short circuit current,
or the input cables will be protected by some other means, eg, by a circuit breaker at the primary side of the transformer.
)
**
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
Electrical installation
PE PE
1L1
1L2
1L3
**
Incoming cubicle
Technical
Switching,
breaking,
disconnecting
and grounding
)
devices
data, section Input power connection.
Supply module cubicle