Outdoor Indoor SF6 Gas 33kV RMU Switchgear Cabinet With Enclosure
- Category: >>>
- Supplier: Wenzhou Rockwill Electric Co. Ltd.
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Product Overview
Description
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.
a)\tAir temperature: Maximum temperature: +40℃; Minimum temperature:-5℃
b)\tHumidity: Monthly average humidity 95%; Daily average humidity 90% .
c)\tMaximum installation altitude: 2000m
d)\tAmbient air not apparently polluted by corrosive and flammable gas, vapor etc.
e)\tNo frequent violent shake
b)\tHumidity: Monthly average humidity 95%; Daily average humidity 90% .
c)\tMaximum installation altitude: 2000m
d)\tAmbient air not apparently polluted by corrosive and flammable gas, vapor etc.
e)\tNo 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 | ||
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