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Introduction
1–2 973-0031-01-01 Rev A
Introduction
The Sine Wave Plus Long AC Conduit Box (ACCB-L and ACCB-L-L1) connects
to the AC side of a Sine Wave Plus inverter and accepts AC conduit runs. It is
designed to protect the wiring connections to the inverter and provides room for
up to nine additional AC disconnect breakers (Square D, Type QOU, DIN rail
mounted) to protect user-specified loads.
There are three models of ACCB-L:
• the ACCB-L Basic,
• the ACCB-L-L1, and
• the ACCB-L-L2.
The ACCB-L contains a ground bar only and provides no wiring.
The ACCB-L-L1 includes a ground wire attached to the ground bar, an AC bypass
switch (for a single AC input source) and input/output wiring attached to the AC
Input/output Terminals, a Neutral bar with neutral wire installed, and an isolated
H
OT bar.
The ACCB-L-L2 configuration is created by field-intalling an ACCB-L2-PCK
into an ACCB-L-L1. The ACCB-L2-PCK consists of another field-installable AC
Bypass Switch with wiring and an isolated AC Bus Bar.
This guide provides instructions for connecting the Long AC Conduit Box to the
inverter and other system components (i.e., utility panel, AC distribution panel,
grounding, and generator). It also provides instructions for installing additional
Square D™, Type QOU, DIN rail-mounted circuit breakers.
Figure 1-1
The Sine Wave Plus ACCB-L Basic
ACCB-L includes:
❐ Front Cover
❐ Blockoff Plates
❐ Ground Bar
❐ Din Rail
A
B
C
D
A
B
B
C
D
Blockoff
Plates
Cover Base
Knockout panels for
additional Bypass
Switch Assembly
for additional circuit
breakers