Chapter 2 Installation Preparation 23
NetSure 801 CA7 Power Supply System (New Skelecton) User Manual
BOM
Description
Length
Note
04116219
(optional)
W64AASL03 cable suite (AC input cable of the
rectifier cabinet-3.5m)
3.5m
No DC cabinet between AC cabinet and rectifier
cabinet. Internal cabling (
≤ 2000A), When the AC
output S series of the ABB MCCB
04110146
(optional)
W74AASL11 cable suite (AC input cable of the
rectifier cabinet-7m)
7m
No DC cabinet between AC cabinet and rectifier
cabinet. Internal cabling (
≤ 2000A), When the AC
output EMR1 series MCCB for Vertiv
04116341
(optional)
W64AASL11 cable suite (AC input cable of the
rectifier cabinet-7m)
7m
One DC cabinet between AC cabinet and rectifier
cabinet. External cabling, When the AC output T
series of the ABB MCCB
041163475
(optional)
W64AASL12 cable suite (AC input cable of the
rectifier cabinet-9m)
9m
More than one DC cabinet between AC cabinet
and rectifier cabinet. External cabling (> 4000A),
When the AC output EMR1 series MCCB for Vertiv
04116345
W64AASL12 cable suite (AC input cable of the
rectifier cabinet-9m)
9m
More than one DC cabinet between AC cabinet
and rectifier cabinet. External cabling (> 4000A),
When the AC output T series of the ABB MCCB
04119128
W1PK2SL10 cable suite (RS485 signal cable
connected to M821D controller)
5.5m
04116221
W64AASL05 cable suite (RS485 signal cable
connected between AC distribution cabinet and
DC distribution cabinet)
4.0m
PD380/400AFH & PD380/630AFH AC cabinet and
rectifier cabinet
04111498
W1PN5SL20-W1PN5Z cable suite
（
RS485
signal cable connected between AC ATS
cabinet and rectifier cabinet, and connected
between AC ATS cabinet
）
5.5
RS485 signal cable connected between
PD380/630AFA AC cabinet and rectifier cabinet, or
between the PD380/630AFA AC cabinet
04116222
W64AASL06 cable suite (power cable of
A6V6FU11 monitoring board)
4.3m
04116169
W64AASL09 cable suite (CAN bus)
2.8m
3. Preparing cables
The cable design should meet relevant industry standards.
It is recommended to use the RVVZ cables as AC cables. The cable should reach at least +70°C temperature
durability. With cable length shorter than 30 meters, the Cross-Sectional Area (CSA) calculation should be based on
the current density of 2.5A/mm
2
.
The sectional area of the DC load cables and battery cables should be computed with the following formula:
A=ΣI × L / K
△
U
In this formula: A is the sectional area of the lead (mm
2
), ΣI is the total current (A) passing through the lead, L is the
length (m) of the lead loop,
△
U is the permitted voltage drop in the lead, while K is the conductivity factor. K
copper
=57.
For the sake of distribution safety, the voltage drop on the cables should be compliant with corresponding rules.
The sectional area of the earth cables (including DC earth cable) shall exceed 95mm
2
.
The CSA of DC cable depends on the current flowing through the cable and the allowable voltage drop. To select the
battery cable CSA, see Table 2-5. Select the DC load cable CSA according to the Table 2-5.
Table 2-5 Battery cable CSA selection
Battery fuse rated current Max. battery current Min. cable CSA
Specs of the cable
connector
Max. cable length (allowable
voltage drop: 0.5V)
1000A
1000A
2 × 240mm
2
OT cable connector of
M12 or M16 size
10m
Note:
1. The specs are applicable at ambient temperature of 25°C. If the temperature is higher or lower than this, the CSA of the cable
should be increased.
2. The battery cable should reach at least +90°C heat durability. It is recommended to use double-insulated copper-core flame
retardant cable as battery cable