Huawei ACBox Series, User Manual

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ACBox 12-In 1-Out AC Combiner Box
User Manual
2 Overview
Issue 03 (2018-05-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
4
2
Overview
2.1 Introduction
Function
The ACBox combines the AC outputs from single-phase string inverters. The ACBox works
with Huawei SUN2000L and combines the outputs from the following types of SUN2000Ls:

Up to 12 SUN2000L-4.125KTL-JP units

Up to 10 SUN2000L-4.95KTL-JP units
The SUN2000L-4.125KTL-JP and SUN2000L-4.95KTL-JP are both abbreviated as SUN2000L in the
following text.
Models
Figure 2-1 shows the designation explanation of the ACBox.
Figure 2-1 Designation explanation
System Application
The ACBox applies to a low-voltage single-phase three-wire grid-tied PV system that
typically consists of PV strings, grid-tied inverters, and AC combiner boxes.
Figure 2-2 shows
the position of the ACBox in a low-voltage single-phase three-wire grid-tied PV system.