OPTI-UPS MD120L - Manual (Page 16)

Chapter 1 Installation
13
Fig 1-11 Diagram of batteries connected in series
1.5.3 UPS Output
A main output switch has been installed in UPS, the user shall install the over current protective
device on the bypass of each output of the external distribution cabinet.
1.6 Power Cables
Design the cables according to the descriptions in this section and local regulatory wiring standards,
and the environmental conditions should be taken into consideration. Refer to IEC60950-1 Table 3B.
警告 危 险 Warning
Prior to cabling the UPS, confirm the status and positions of the switches of the UPS rectifier input
power supply / bypass power supply and mains power distribution board.
Ensure that these switches are opened and attached with WARNING label so as to prevent
unauthorized operation to these switches.
1.6.1 Maximum stable state current and configuration of cable system
Maximum stable state current and configuration of cable system, please refer to table 1-2.
Table 1-2 Maximum stable state current and configuration of cable system
System Name MD36/6 MD72/12 MD60/6 MD120/12
Capacity
System
capacity
36kVA 72kVA 60Kva 120kVA
Module
capacity
6kVA 12kVA 6kVA 12kVA
Cabinet
dimension
600*900*1600(W*D*H mm) 600*900*2000(W*D*H mm)
Main
Input
Rated
current A
90 180 150 300
Cable mm 2 25 50 50 90
Output
Rated
current A
90 180 150 300
Cable mm 2 25 50 50 90
Battery
Rated
current A
133 267 223 445
Cable mm 2 35 75 75 120
PE Cable mm 2 16 50 50 50
警告 危 险 Warning
FAILURE TO FOLLOW ADEQUATE EARTHING PROCEDURES CAN RESULT IN EMI, ELECTRIC
SHOCK HAZARD OR RISK OF FIRE.