Certification: | CCC, ISO9001, SGS |
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Shell Material: | Stainless Steel/Steel |
Voltage Level: | Medium Voltage |
Installation: | Fixed |
Rated Voltage: | 10kv,11kv,12kv,15kv,17.5kv,24kv,33kv,36kv |
Rated Current: | 630A,800A,1250A |
Customization: |
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This medium voltage SF6 insulation RMU used in 10kV, 11kV, 12kV, 15kV, 17.5kV,24kV and33kV power system, as control distribution unit.
This type of SF6 gas insulated RMU is compact metal sealing device adopts the modular design, with its perfect unification of fixed and flexible expansion, in order to suit the requirements of the end user or network nodes, and satisfy all kinds of distribution by opening and closing, the needs of the box-type substation, cable branch box, with compact structure, safe and reliable, long life, maintenance-free, etc
Item | Unit | Isolating switch unit | Vacuum Circuit Breaker | Isolating switch unit | Vacuum Circuit Breaker |
Rated Voltage | kV | 12 | 12 | 24 | 24 |
Arc Quenching | Vacuum | Vacuum | |||
Rated Current | A | 630/1250 | |||
Rated Frequency | Hz | 50/60 | |||
Main Circuit Resistance | μΩ | ≤120 | |||
Power Frequency Withstand Voltage Between Phases, Phase to earth/open contacts | kV | 28 | |||
50 | 50 | ||||
Lightning Impulse | kV | 60 | 75 | ||
Rated Short-circuit Breaking Current | kA | / | 20/25/31.5 | / | 20/25/31.5 |
Rated Short-circuit Breaking Times | times | / | 30 | / | 30 |
Rated Short-circuit Making Current | kA | / | 50/63 | / | 50/63 |
Rated Short-circuit Making Times | times | / | 5 | / | 5 |
Rated Short-time Withstand Current | kA/4s | / | 20/25 | / | 20/25 |
Rated Peak Withstand Current | kA | / | 50/63 | / | 50/63Out |
Out-of-phase Earth Fault Breaking Current | kA | / | 17.3/21.7 | / | |
Partial Discharge | pC | ≤5 | |||
IP Rating | IP67 | ||||
Mechanical Endurance | times | 10000 | 10000 | 3000 | 3000 |
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