Introduction:
XGreen solid insulated ring main unit is a new generation of environment-friendly product which could be the best option to replace SF6 ring main unit. The product is famous for its high-level of safety operation and applied for the 12kV power system. With compact design and sealed metal enclosure which can avoid the impact on environment. All primary parts installed in the sealed cabinet. No SF6, vacuum breaking and solid-insulated technology, integrated computer control protection. Technical Features:
Specification
Unit
Parameter
Rated voltage
kV
12
17.5
24
Rated busbar voltage
A
630
630
630
Impulse withstand voltage
kV
75
95
125
Frequency withstand voltage
kV
42
38
50
Rated short-time withstand current
kA/s
20/2
16/1
16/1
Rated peak withstand current
kA
50
40
40
Internal arc withstand current
kA/s
20/1
16/1
16/1
Circuit breaker
Rated current
A
200(630)
200
200
Rated short-circuit breaking current
kA
20
16
16
Rated short-circuit making current
kA
50
40
40
Rated short-circuit withstand current
kA/s
20/2(20/4)
16/1
16/1
Load circuit breaker
Rated current
A
630
630
630
Rated load current factor is 0.7
A
630
630
630
Rated short-circuit making current
kA
50
40
40
Rated short-circuit withstand current
kA/s
20/2
16/1
16/1
Long-term Customers: Workshop: Packaging:
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