ACH550 Installation, Operation and Maintenance Manual 87
ACH550-PCR/PDR
Operation
This information is unique to ACH550 input disconnect configurations (PCR or PDR).
Refer to the Operation instructions on page 21 for all other information.
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.
ACH550
Drive with Input Disconnect
Motor
3 Phase
Drive
3
3
Disconnect Switch
or Circuit Breaker
Input Power
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