6 Chapter 1 Introduction
NetSure 801 AG1 Power Supply System User Manual
Figure 1-10 Fuse unit type 2
3) Type 3
Dimensions (unit: mm): 750 (H) × 584 (W) × 353.5 (D)
Fuse unit type 3 has two layers, and is suitable for NT2 and NT3 fuses. It can accommodate at most 12 NT2 or NT3
fuses, or 12 fuses combined of NT2 and NT3 fuses. This fuse unit is only applicable for bottom cabling DC
distribution cabinet, as shown in Figure 1-11.
Figure 1-11 Fuse unit type 3
4) Type 4
Dimensions (unit: mm): 648 (H) × 584 (W) × 353.5 (D)
Fuse unit type 4 has two layers, and is suitable for NT00, NT2 and NT3 fuses. The top layer can accommodate at
most 11 NT00 fuses. The bottom layer can accommodate at most six NT2 or NT3 fuses, or six fuses combined of
NT2 and NT3 fuses. This fuse unit is only applicable for bottom cabling DC distribution cabinet, as shown in Figure
1-12.
Figure 1-12 Fuse unit type 4
Battery distribution unit
There are two kinds of battery distribution units: battery distribution unit with low voltage disconnection (LVD)
contactor and battery distribution unit without LVD contactor.
1. Battery distribution unit without LVD contactor