KYN61- 40.5 AC METAL-CLAD WITHDRAWABLE ENCLOSED SWITCHGEAR CABINET
Outline
KYN61-40.5 air-insulated metal-clad withdrawable switchgear is applicable to three phase AC 50/60 Hz power system, and mainly. It will be designed as per GB3906 and IEC298, and it is composed of cabinet and withdrawable part (handcart), the withdrawable part is fitted with VD4-36E, VD4-36 withdrawable vacuum circuit breaker by ROOQ Electric Group Co., Ltd. or other companies as per clients' requirements.
Service environment
Ambient temperature: maximum temperature: + 40 ℃, minimum temperature: - 10 ℃
Ambient humidity: daily average relative humidity: ≤ 95%
Monthly average relative humidity: ≤ 90%
Altitude: below 2000m
Earthquake resistance: the seismic intensity shall not exceed 8 degrees
The surrounding air shall not be obviously polluted by corrosive or combustible gas, water vapor, etc
Places without frequent violent vibration
When it is used under normal environmental conditions exceeding GB3906, it shall be negotiated between the user and our company
Dimension
height × width × depth
2400mm × 1200mm × 2600mm
2600mnm × 1400mm × 2800mm
Technical Parameter for KYN 61-40.5 Switchgear
No. | Description | Unit | Technical data |
1 | Rated Voltage | kV | 33 |
2 | Rated Frequency | Hz | 50 |
3 | Rated power frequency withstand voltage | kV | 95/1min |
4 | Rated impulse lightning withstand voltage | kV | 185 |
5 | Rated Current | A | 1250 1600 2000 |
6 | Rated short-time withstand current | kA | 20 25 31.5 |
7 | Rated short circuit break current | kA | 20 25 31.5 |
8 | Rated peak withstand current | kA | 50 63 80 |
9 | Rated short circuit duration | ms | 4 |
10 | Opening time | ms | 30≤t≤60 |
11 | Close time | ms | 50≤t≤100 |
12 | Rated short circuit break current numbers | time | 20 |
13 | Mechanical endurance | Cycle | 10000 |
| 1. Shutter | 2. Handcart | 3. Contact Box |
| 4. Transport guide rail | 5. Current transformer | 6. Busbar for connecting with cable |
| 7. Earth switch | 8. Wall Bushing | 9. Main Busbar |
10. Pressure release device |
A Low-voltage compartment
B Handcart compartment
C Busbar compartment
D Cable compartment
