Huawei Backup Box-B1 User Manual

6
Installing an Output Power Cable for Off-Grid Loads
3.3
Installing a Grid AC Output Power Cable
3.4
X1
Before installing a cable, open the panel of the Backup Box, route the cable through the off-grid
load port, and connect the cable. After all cables are connected, reinstall the panel.
Off-Grid Load Terminal (X1)
No.
.
1
2
3
4
Single-
Phase
L
N
-
PE
Off-Grid Load Terminal (X1)
No.
.
1
2
3
4
Three
-
Phase
L
N
-
PE
Connecting Grid AC Terminals
（
X2
）
No.
1
2
3
4
5
6
7
Single
-Phase
L
-
-
N
-
PE
-

Huawei Backup Box-B1 Specifications

General

Brand	Huawei
Model	Backup Box-B1
Category	Controller
Language	English