KYN61-40.5 Metal-enclosed Switchgear
KYN61-40.5 metal-enclosed switchgear (hereinafter referred to as switchgear) is a three-way intersecting flow rate of 50Hz,Indoor or set of power distribution devices with a precise voltage of 40.5kV. As a power plant. Transformer and industrial and mining enterprises receive and distribute electrical energy It can be used to control, protect and monitor the circuit, and can also be used for the av-erage field sequence strike of Yan Fan operation. This switchgear complies with GB3906-2006GB/T11022-1999 and DL/T404-2007 standards.
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KYN61-40.5 Metal-enclosed Switchgear.pdf Operating Conditions
1. Ambient temperature: upper limit + 40°C, and the average value measured within 24 hours does not exceed 35°C, lower limit ‒10°C;
2. Altitude: ≤1000m;
3. Relative humidity: daily average 95%, monthly average 90%;
4. Seismic resistance: 8 magnitude;
5. Water vapor pressure: daily average value does not exceed 2.2 kPa, monthly average value does not exceed 1.8 kPa;
6. Surrounding environment: Places without fire, explosion hazards, severe pollution, chemical corrosion and severe vibration.
Model and meaning
Technical Specification
| Item | Unit | Parameter |
| Rated Voltage | kV | 40.5 |
| Rated Current | A | 1250, 1600, 2000 |
| Rated Frequency | Hz | 50 |
| Rated Short-time Withstand Current | kA | 20, 25, 31.5 |
| Rated Peak Withstand Current | 50, 63, 80 | |
| Rated Power Frequency Withstand Current | kV | 95/min |
| Rated Lighting Impulse Withstand Current | 185 | |
| Rated Short Circuit Duration | s | 4 |
| Protection Class | IP3X |
External Dimensions
A:Relay Instrument Room
B:busbar room
C:circuit breaker chamber
D:cable room
