Certification: | CCC, ISO9001 |
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Shell Material: | Epoxy Resin |
Voltage Level: | Medium Voltage |
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Item NO. | Name | Unit | Technical parameters | |||
GRM-C | GRM-F | GRM-V | ||||
1 | Rated Voltage Un | kV | 24 | 24 | ||
2 | Rated Frequency | Hz | 50 | 50 | ||
3 | Rated Current | A | 630 | 125 | 630 | |
4 | Rated Load Breaking Current | A | 630 | 125 | ||
5 | Rated Short Time Withstand Current(rms) | kA | 20 | 20 | ||
6 | Rated Short Time Duration | s | 3 | 3 | ||
7 | Rated Peak Withstand Current | kA | 50 | 50 | ||
8 | Rated Closed Switch - Off Current | A | 630 | |||
9 | Rated Cable Charging Breaking Current | A | 10 | 25 | ||
10 | Rated Active Load Breaking Current | A | 630 | |||
11 | Max. Transfer Current | A | 1750 | |||
12 | Expected Fuse Short-Circuit Breaking Current(rms) | kA | 50 | |||
13 | Earthing Switch 2s Short Time Withstand Current | kA | 20 | 20 | ||
14 | Rated Short-Circuit Current Making Times | Times | 2 | |||
15 | Rated Current Breaking Times | Times | 10 | |||
16 | Mechanical Endurance | Load Break Switch | Times | 5000 | ||
Earthing Switch | Times | 2000 | 2000 | |||
Disconnector | Times | 3000 | ||||
Circuit Breaker | Times | 10000 | ||||
17 | SF6 gas anual leakage rate | ≤1%/Y | ||||
18 | Rated Insulation Level | Unit | Technical parameters | |||
1min Power Frequency withstand voltage(rms) | On isolating distance | kV | 60 | |||
Phase to Phase | kV | 50 | ||||
Phase to Earth | kV | 50 | ||||
Lightning impulse withstand voltage(peak) | On isolating distance | kV | 145 | |||
Phase to Phase | kV | 125 | ||||
Phase to Earth | kV | 125 | ||||
21 | optional :Motorised Operating Mechanism- voltage | V | DC24,DC48,DC110,DC220,AC220 |