Claire
Mr.Fu
Claire
KYN28-24 Withdrawable Armored Metal-Enclosed Switchgear - Low Current Industrial Grade from China Suppliers & Factory
Type Designation
| 1 | Armored Withdrawable Metal-Clad Switchgear |
| 2 | Withdrawable Type |
| 3 | Usage Conditions: (Indoor) |
| 4 | Design Serial Number |
| 5 | Rated Voltage (kV) |
| 6 | Vacuum Circuit Breaker |
Technical Parameters
| Parameter | Unit | Value | ||
| Rated Voltage | kV | 24 | ||
| Rated Frequency | Hz | 50 | ||
| Rated Current of Circuit Breaker | A | 630, 1250, 1600, 2000, 2500, 3150 | ||
| Rated Current of Switchgear | A | 630, 1250, 1600, 2000, 2500, 3150 | ||
| Rated Dynamic Withstand Current (4s) | kA | 20, 25, 31.5 | ||
| Rated Peak Withstand Current | kA | 50, 63, 80 | ||
| Rated Short-Circuit Breaking Current | kA | 20, 25, 31.5 | ||
| Rated Short-Circuit Making Current (Peak) | kA | 50, 63, 80 | ||
| Rated Insulation Level | 1min Power Frequency Withstand Voltage | Pole-to-Pole & Pole-to-Ground | kV | 65 |
| Across Breaking Contacts | kV | 79 | ||
| Lightning Impulse Withstand Voltage | Pole-to-Pole & Pole-to-Ground | kV | 125 | |
| Across Breaking Contacts | kV | 145 | ||
| Protection Class | Enclosure: IP4X; IP2X when | |||
Product Display
Installation Dimension Drawing
| A. Busbar Compartment | 10. Surge Arrester |
| B. Circuit Breaker Trolley Compartment | 11. Earthing Main Busbar |
| C. Cable Compartment | 12. Removable Partition |
| D. Relay & Instrument Compartment | 13. Shutter (Isolation Barrier) |
| 1. Enclosure | 14. Secondary Plug |
| 2. Branch Busbar | 15. Circuit Breaker Trolley |
| 3. Busbar Bushing | 16. Heating Device |
| 4. Main Busbar | 17. Removable Horizontal Partition |
| 5. Fixed Contact | 18. Earthing Switch Operating Mechanism |
| 6. Fixed Contact Housing | 19. Base Plate |
| 7. Current Transformer (CT) | 20. Pressure Relief Device |
| 8. Earthing Switch | 21. Control Wire Duct |
| 9. Cable |
Ordering Notice
Product operating site and special requirements:
- 1 Provide product ordering drawings, which should include wiring diagrams and indicate transformer capacity, main component model specifications, distribution branch circuits, and capacity.
- 2 When it is necessary to configure electric energy metering and reactive power automatic compensation devices, the requirements for the configuration of the metering meter and transformer should be provided, and the capacity of the compensation capacitor should be indicated.
- 3 Specify the requirements for surface treatment of the product.
Frequently Asked Questions
Q
What is the rated voltage of the KYN28-24 Removable Armored Switchgear?
The KYN28-24 switchgear has a rated voltage of 24 kV, making it suitable for medium-voltage indoor power distribution applications.
Q
What are the available rated current options for the KYN28-24 switchgear?
The KYN28-24 switchgear is available in rated current options of 630 A, 1250 A, 1600 A, 2000 A, 2500 A, and 3150 A for both the circuit breaker and the switchgear itself.
Q
What type of circuit breaker is used in the KYN28-24 switchgear?
The KYN28-24 uses a Vacuum Circuit Breaker (VCB), which provides reliable arc interruption and long service life with minimal maintenance requirements.
Q
What is the protection class (IP rating) of the KYN28-24 enclosure?
The enclosure of the KYN28-24 switchgear meets IP4X protection class under normal operating conditions, and IP2X when the withdrawable unit is in the disconnected or test position.
Q
What information should be provided when ordering the KYN28-24 switchgear?
When placing an order, customers should provide product ordering drawings including wiring diagrams, transformer capacity, main component model specifications, distribution branch circuits, capacity requirements, metering and compensation device configurations, and surface treatment requirements.
Q
What is the lightning impulse withstand voltage of the KYN28-24 switchgear?
The KYN28-24 switchgear has a lightning impulse withstand voltage of 125 kV (pole-to-pole & pole-to-ground) and 145 kV across the breaking contacts, ensuring robust insulation performance under surge conditions.