Procedure For Cable Connections; Table 3.3 Maximum Permitted Fault Current - Mitsubishi Electric 9800A Owner Technical Manual

MITSUBISHI
ELECTRIC
D) External Battery Supply
Please refer to the following when installing and maintaining batteries:
1. The customer shall refer to the battery manufacturer's installation manual for
battery installation and maintenance instructions.
2. The maximum permitted fault current from the remote battery supply, and the
DC voltage rating of the battery supply over-current protective device are
shown in Table 3.3.

TABLE 3.3 Maximum Permitted Fault Current

UPS Capacity
(kVA)
100
150
225
300
375
500
750

3.3 PROCEDURE FOR CABLE CONNECTIONS *

1. Confirm the capacity of the UPS being installed. Identify the input/output power
terminal blocks as shown in the appropriate Figures 3.1 through 3.2-a~g,Figure 3.3.
2. Connect the internal control wire and power wire.
(1) Control wire Inter-connect
1. CB2 NO Auxiliary to terminal
2. CB2-UVT to terminal
(2) Power wire Inter-connect
a.) From user's distribution panel
1. X1 (A-phase) to A bus bar in UPS rectifier section.
2. X2 (B-phase) to B bus bar in UPS rectifier section.
3. X3 (C-phase) to C bus bar in UPS rectifier section.
MITSUBISHI ELECTRIC 9800A SERIES UPS
9800A SERIES UPS
OWNERS / TECHNICAL MANUAL
DC Voltage
Rating (V)
480
480
480
480
480
480
480
TN2-
TN2- 21, 22.
Page Number:
3-2
Maximum Fault
Current Permitted (A)
25,000
25,000
25,000
25,000
25,000
25,000
25,000
23, 24.