Product Overview
KYN61-40.5 is a medium and high voltage switchgear engineered for efficient power receiving, distribution, control, monitoring, and circuit protection. It is widely applied in substations, power plants, power grids, and industrial & mining enterprises. Additionally, it supports frequent starting of high-voltage motors, meeting the diverse needs of industrial power systems.Key Advantages:
Broad Application Scope: Suitable for power systems in multiple industries, with strong adaptability.
High Safety & Reliability: Complies with international standards (IEC60298, IEC6094, GB3906, DL404, DIN.VDE670) to ensure stable operation.
Excellent Performance: Adapts to 50Hz/60Hz rated frequency, with a maximum working voltage of 40.5KV and maximum working current up to 4000A.
Product Parameters
| Item | Unit | Parameter | |
| Rated voltage |
kV |
40.5 |
|
| Rated insulation level | Lightning strike voltage (full wave) |
kV |
185 |
| Power frequency withstand voltage (1min) |
kV |
95 |
|
| Rated frequency |
Hz |
50 |
|
| Rated current |
A |
630;1250;1600;2000 |
|
| Rated circuit-breaking time | Power frequency withstand voltage (1min) |
kV |
20,25,31.5 |
| Rated short-circuit closing current (peak value) |
kV |
50,63,80 |
|
| Rated dynamic steady current (peak value) |
kV |
50,63,80 |
|
| 4S thermal stability current (effective value) |
kV |
20,25,31.5 |
|
| Enclosure protection grade | Vacuum circuit breaker cabinet |
mm |
IP4X |
| Dimensions (W×D×H) |
mm |
1400×2800×2600 |
|
Conditions of use
To ensure optimal performance, the KYN61-40.5 high voltage switchgear should be used under the following conditions:
Altitude: ≤1000m
- Ambient temperature: -10℃ ~ +40℃
- Relative humidity: Daily average ≤95%, monthly average ≤90%
- Saturated vapor pressure: Daily average ≤2.2KPa, monthly average ≤1.8KPa
- Installation inclination: ≤5° from the vertical plane; the cabinet set shall be flat and comply with GBJ232-2 standard
- Environment: No severe vibration, impact, corrosive substances, or conductive dust
Ordering instructions
When placing an order for the KYN61-40.5 35kV high voltage switchgear, customers are required to provide the following information for customized production:
- Electrical diagrams: Main circuit schematic, primary circuit system diagram, and auxiliary circuit control method
- Layout drawings: Equipment layout diagram and distribution room layout diagram
- Component requirements: Brand and model of main electrical components
- Connection details: Inlet/outlet line mode; if busbar bridge connection is required between equipment, provide busbar spacing, ground height, and other relevant data
- Special requirements: Customized needs can be negotiated with Sefon Electric's technical team
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