Chapter 1 Introduction 5
NetSure 801 AG1 Power Supply System User Manual
Negative terminal
Positive terminal
Front
(b) Top view
Figure 1-7 HOD
2. Low ohmic distribution unit (LOD)
Dimensions (unit: mm): 132.5 (H) × 584 (W) × 250 (D)
Weight: 9.3kg
Rated current: 360A
In a standard LOD, the rated current of one MCB can be 6A ~ 40A (breaking capacity 6kA), or 50A ~ 63A (breaking
capacity 4.5kA), or 80A ~ 125A (breaking capacity 10kA).
Each LOD can be equipped with at most twenty-eight 18mm MCBs or eighteen 27mm MCBs, as shown in Figure 1-8.
DC positive terminal
Load MCB
Figure 1-8 LOD
3. Fuse unit
Rated current: 1600A
The breaking capacity of NT00, NT2 and NT3 fuses is 100kA. Four types of fuse units are described below:
1) Type 1
Dimensions (unit: mm): 427 (H) × 584 (W) × 353.5 (D)
Fuse unit type 1 is suitable for NT2 and NT3 fuses. It can accommodate at most six NT2 or NT3 fuses, or six fuses
combined of NT2 and NT3 fuses, as shown in Figure 1-9.
Figure 1-9 Fuse unit type 1
2) Type 2
Dimensions (unit: mm): 325 (H) × 584 (W) × 353.5 (D)
Fuse unit type 2 is suitable for NT00 fuses. It can accommodate at most 11 NT00 fuses, as shown in Figure 1-10.
