Customization: | Available |
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Certification: | CCC, ISO9001 |
Shell Material: | Aluminum Alloy |
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KYN61-40.5 air-insulated metal-clad withdrawable switchgear (hereinafter as switchgear is a kind of HV switchgear. It is designed as a withdrawable module type panel, and the withdrawable part is fitted with VD4-36E, VD4-36 withdrawable vacuum circuit breaker manufactured by Boerstn Electric Company. It can also be fitted with an isolation truck, PT trucks, fuses truck,s and so on. It is applicable to three phase AC 50/60 Hz power systems, and mainly. Boerstn Electric co. design and make this withdrawable switchgear under the standard of IEC62271-200.etc
1. Ambient temperature:-10oC ~ +40oC, and measuring average RH within 24 hours ≤35oC;
2. Altitude: Not exceed 1000m above sea level;
3. Ambient humidity: Daily average RH ≤ 95%; Monthly average RH ≤ 90%
4. Earthquake intensity: ≤ Degree 8
5. Water vapor pressure: Daily average RH ≤ 2.2kPa; Monthly average RH ≤ 1.8kPa;
6. Ambient environment: no fire, explosion danger, serious pollution, chemical corrosion, and severe vibration place
No. | Item | Unit | Data | |
1 | Rated voltage | kV | 40.5 | |
2 | Rated current | main bus bar | A | 1600/2500 |
circuit breaker | A | 166/2500 | ||
3 | Rated insulation level | 1min frequency withstand voltage | kV | 95/110 |
lightning impulse withstand voltage | kV | 185/215 | ||
frequency withstand voltage auxiliary circuit, the control circuit | V/1min | 2000 | ||
4 | Rated frequency | Hz | 50 | |
5 | Rated short circuit breaking current | kA | 31.5 | |
6 | Rated short time withstand current/Rated short circuit duration | kA/s | 31.5/4s | |
7 | Rated withstand current (peak) | kA | 80 | |
8 | Rated short circuit making current | kA | 80 | |
9 | Rated voltage of control circuit | V | DC:110 220,AC:110 220 | |
10 | Protection class | enclosure | IP4X | |
insulated chamber | IP2X |