ABB ACH550 series Manuale di installazione, funzionamento e manutenzione - Pagina 12
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ACH550 Installation, Operation and Maintenance Manual
Operation
This information is unique to ACH550 input disconnect configurations (PCR or PDR).
Refer to the
Input disconnect configuration
The ACH550 with Input Disconnect is an ACH550 AC adjustable frequency drive
packaged with an input disconnect switch or circuit breaker, and with a door
interlocked, external operating handle. The operating handle can be padlocked in
the OFF position (padlock not supplied). Enclosure options are UL Type 1, UL Type
12, and UL Type 3R (NEMA 1, NEMA 12, and NEMA 3R).
The following is a typical power diagram.
Disconnect Switch
or Circuit Breaker
3 Phase
Input Power
Operation
instructions on page
Drive with Input Disconnect
ACH550
3
21
for all other information.
Drive
Motor
3
ACH550-PCR/PDR
87