3 Installation
MY Series (10kVA-40kVA) UPS
User Manual
24
For the wire cross-sectional area of AC input, output and battery please see the recommended value
in Table3-5, Table3-6 and Table3-7. The cross-sectional area of the following cable is only for
reference when the user is connected wire for a length of about 5 meters. If the length of the lead wire
exceeds 20 meters, the cross-sectional area of the conductor wire shall be increased.
Table3-5
Recommended cross-sectional area of wire (unit: mm
2
, environment temperature: 25
℃
)
33 mode
MY10/10S MY15/15S MY20/20S MY30/30S MY40/40S
Mains input live wire
(U/V/W)
4
6
6
16
16
Mains input neutral wire (N)
4
6
6
16
16
Bypass input neutral wire (N)
4
6
6
16
16
Bypass input live wire
(U/V/W)
4
6
6
16
16
Mains output live wire
(U/V/W)
4
6
6
16
16
Mains output neutral wire (N)
4
6
6
16
16
DC input (+/BATN/-)
10
10
10
2*10
2*10
Grounding wire (PE)
4
6
6
16
16
Table3-6
Recommended cross-sectional area of wire (unit: mm
2
, environment temperature: 25
℃
)
31 mode
MY10/10S MY15/15S MY20/20S MY30/30S MY40/40S
Mains input live wire
(U/V/W)
4
6
6
16
16
Input neutral wire (N)
16
25
25
2*25
2*25
Bypass input live wire (L)
16
25
25
2*25
2*25
Mains output live wire (L)
16
25
25
2*25
2*25
