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Underground Line
]
RMU
RMU(Ring Main Unit) is a European-style multi-circuit switchgear installed on underground lines for sectionalizing, branching and at consumer connection points. It can interrupt load fault currents, quickly isolate faulted sections, and minimize outage
[
Description
]- A device combining an SF6 gas insulated circuit breaker and load switch
- Stainless steel tank remains sealed throughout its service life, ensuring a high level of operator safety and enabling a maintenance-free system
- Switco&Jinkwang RMU comes with a fully sealed stainless tank that contains all components
[
Features
]- 01 Up to 6 way circuit breaker and switch combination with 3 position switch combined
- 02 Counter of operation times
- 03 Pressure gauge
- 04 SF6 gas insulation and VI interruption
- 05 Capacitive voltage indication
[
Advantages
]-
01
Simple operating mechanism
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02
SF6 Gas vessel made of stainless steel
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03
Climate-independent
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04
Easy installation and operation
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05
High-quality VI (Vaccum interrupter)
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Specification
]| Item | RG1C | RG2C |
| Rated voltage | 17.5 | 24 |
| Rated continuous current | 630 | |
| Rated frequency | 50/60 | |
| Rated lightning impulse withstand voltage | 95/110 | 125/145 |
| Rated power frequency withstand voltage | 38/45 | 50/60 |
| Rated short-time withstand current | 12.5/16/20 | |
| Rated peak withstand current | 32.5/41.6/52 | |
| Rated duration of short circuit | 3 | |
| Rated short-circuit making current | 32.5/41.6 | |
| Mechanical endurance | 5,000 (M2) | |
| Applied standard | IEC 62271-100, IEC 62271-102, IEC 62271-103, IEC 62271-200 | |