Chapter 1 Introduction 7
NetSure 801 AG1 Power Supply System User Manual
Dimensions (unit: mm): 298.5 (H) × 554 (W) × 149.7 (D)
Four types of battery distribution units without LVD contactors are provided, as shown in Figure 1-13 to Figure 1-16.
The breaking capacity of the NT4 fuse is 100kA, and the breaking capacity of the MCCB is 10kA. The nominal current
of the MCCB is 600A.
Battery distribution unit type 1 can accommodate fuses, which can be two battery fuses plus two load fuses, or four
battery fuses. The labels of the former are Battery I, Battery II, Load I, Load II from left to right; the labels of the latter
are Battery I, Battery II, Battery III, Battery IV from left to right, as shown in Figure 1-13.
Battery I
Battery II
Load I
Load II
Fuse
Label
Figure 1-13 Battery distribution unit type 1
Battery distribution unit type 2 can accommodate fuses, which are three battery fuses plus one load fuse. The labels
from left to right are Battery I, Battery II, Battery III, Load I, as shown in Figure 1-14.
Battery I
Battery II
Battery III
Load I
Fuse
Label
Figure 1-14 Battery distribution unit type 2
Battery distribution unit type 3 can accommodate MCCBs, which can be two battery MCCBs plus two load MCCBs, or
four battery MCCBs. The labels of the former are Battery I, Battery II, Load I, Load II from left to right; the labels of the
latter are Battery I, Battery II, Battery III, Battery IV from left to right, as shown in Figure 1-15.
Load II
Load I
Battery II
Battery I
MCCB
Label
Figure 1-15 Battery distribution unit type 3
Battery distribution unit type 4 can accommodate MCCBs, which are three battery MCCBs plus one load MCCB. The
labels from left to right are Battery I, Battery II, Battery III, Load I, as shown in Figure 1-16.
