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Power Distribution 11kV 30kV Ring Main Unit Air Insulated Switchgear
R38,240 Excl VAT
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General
SM66-Moule type RMU with SF6 load switch as main switch, for whole cabinet is suitable for electric distribution automation and compact also expandable metal close switchgear.It characters in its simple structure, flexible operation, reliable interlocking and convininent installation etc. It also can be assembly with RCB series VCB with permanet magnet mechanism.
Service enviromenet
a) Air temperature: Maximum temperature: +40℃; Minimum temperature:-5℃ b) Humidity: Monthly average humidity 95%; Daily average humidity 90% . c) Maximum installation altitude: 2000m d) Ambient air not apparently polluted by corrosive and flammable gas, vapor etc. e) No frequent violent shake
|
No
|
Item
|
Unit
|
Parameter
|
||
|
1
|
Rated voltage
|
kV
|
12
|
24
|
36
|
|
2
|
Rated frequency
|
Hz
|
50/60
|
||
|
3
|
Rated current
|
A
|
630/800
|
1630
|
|
|
4
|
1 min power frequency withstand voltage(wet/dry)
|
kV
|
38/48
|
50/60
|
70/80
|
|
5
|
Lightning impulse withstand voltage
|
kV
|
75
|
125/150
|
195
|
|
6
|
Rated short circuit breaking current(peak)
|
kV
|
80
|
63
|
50/40
|
|
7
|
Rated active load and close circuit breaking current
|
kA
|
63
|
50
|
50/40
|
|
8
|
Rated transferring current
|
A
|
1700
|
1200
|
800
|
|
9
|
Rated short circuit making current(peak)
|
kA
|
80
|
63
|
50/40
|
|
10
|
Rated cable(line) charging breaking current
|
A
|
50 and 10
|
||
|
11
|
Cable charge breaking current in earthing fault
|
A
|
20
|
20
|
50
|
|
12
|
Rated withstand current(peak)
|
kA
|
80
|
63
|
50/40
|
|
13
|
Short time withstand current(2s)
|
kA
|
31.5
|
25
|
16
|
|
14
|
Mechanism life
|
Times
|
5000
|
2000
|
2000
|
Additional information
| Weight | N/A |
|---|---|
| Material | Steel plate or customized |
| Size | Subject to the final product |
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