SLX24 series Solid Insulated Ring Main Unit
- Description
- Specification
- Features
- Size
- Catalogue
SLX24 series solid insulated Ring Main Unit, a new generation of smart switchgear for power distribution industry, was developed by Galaxy Switch independently, based on much investigation on Chinese and overseas markets, by absorbing advanced technology in the industry. It features no SF6 gas, new structure, high performance, no internal arc, compact design, safe, environmentally friendly, maintenance free, etc.
The SLX24 series solid insulated Ring Main Unit is the first product of this kind (including its components) that is fully type tested in CHINA NATIONAL HIGH VOLTAGE APPARATUS QUALITY SUPERVISION & INSPECTION CENTER.
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Description |
Unit |
SLX24-K |
SLX24-T |
SLX24-V |
SLX24-B |
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Rated voltage |
kV |
12 |
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Power frequency withstand voltage（1min） |
Phase to phase/earth |
kV |
42 |
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Across isolating distance |
kV |
48 |
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Impulse withstand voltage |
Phase to phase/earth |
kV |
75 |
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Across isolating distance |
kV |
85 |
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Rated frequency |
Hz |
50 |
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Rated current |
A |
630 |
① |
630 |
630 |
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Rated short-circuit breaking current |
kA |
|
② |
20/25 |
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Rated short-time withstand current 4s |
kA |
20/25 |
|
20/25 |
20/25 |
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Rated peak withstand current |
kA |
50/63 |
|
50/63 |
50/63 |
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Rated short-circuit making current（peak） |
kA |
50/63 |
② |
50/63 |
50/63 |
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Rated transfer current |
A |
|
2500 |
|
|
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Rated active load breaking current |
A |
630 |
|
|
630 |
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Rated close-loop breaking current |
A |
630 |
|
|
630 |
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5% rated active load breaking current |
A |
31.5 |
|
|
31.5 |
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Rated operation sequence |
|
|
|
O-0.3s-CO- 180s-CO |
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Mechanical life |
VCB/LBS |
Ops. |
10000 |
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DS/ES |
3000 |
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Protection degree |
Enclosure |
IP4X |
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Primary |
IP67 |
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Electrical life |
Class |
E3 |
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E2（30） |
E3 |
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Partial discharge of complete panel |
pC |
≤10 |
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Remarks：① Rated current of switch-fuse panel is subject to rating of fuse link, and up to 125A;
② Subject to rating of fuse link.
Separate-phase modular design;
Outer surface of poles painted with semi-conductive layer and earthed;
Pressure relief port on insulating box(switching compartment);
Fully solid insulated and sealed design;
Unique internal structure design;
Full application solution, free combination;
Smart application;
High altitude application
