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Claire
KYN28-12 Withdrawable Armored Metal-Enclosed Switchgear - Trusted China Suppliers & Factory for 3.6-12kV Power Systems
Type Designation
| No. | Description |
| 1 | Armored Withdrawable Metal-Clad Switchgear |
| 2 | Withdrawable Type |
| 3 | Usage Conditions: (Indoor) |
| 4 | Design Serial Number |
| 5 | Rated Voltage (kV) |
| 6 | Main Circuit Diagram No. |
| 7 | Operating Mechanism Code, D: Electromagnetic; T: Spring |
| 8 | Rated Current (A) |
| 9 | Rated Short-Circuit Breaking Current (kA) |
Switchgear Technical Parameters
| Item | Unit | Value | |
| Rated Voltage | kV | 12 | |
| Main Bus Rated Current | Hz | 50 | |
| Rated Frequency | A | 630, 1250, 1600, 2000, 2500, 3150 | |
| Rated Current | A | 630, 1250, 1600, 2000, 2500, 3150 | |
| Earthed Circuit Rated Short-Time Withstand Current (2s) | kA | 13.9, 17.4, 21.8, 27.4, 34.8 | |
| Main Circuit Rated Short-Time Withstand Current (4s) | kA | 16, 20, 25, 31.5, 40 | |
| Rated Peak Withstand Current (Peak) | kA | 40, 50, 63, 80, 100 | |
| Rated Short-Circuit Breaking Current | kA | 25, 31.5, 40 | |
| Rated Insulation Level | 1min Power Frequency Withstand Voltage | kV | Phase-to-ground: 42; Breaking: 48 |
| Lightning Impulse Withstand Voltage | kV | Phase-to-ground: 75; Breaking: 48 | |
| Protection Class | Enclosure: IP4X | ||
Product Display
Switchgear Outline Dimensions
Fig.1: KYN28-12 Feeder Switchgear Cross-Sectional Diagram
| A. Busbar Compartment | 3. Main Busbar | 9. Removable Partition | 15. Cable Sealing End |
| B. Circuit Breaker Compartment | 4. Fixed Contact Assembly | 10. Secondary Plug | 16. Base Plate |
| C. Cable Compartment | 5. Spring-Loaded Contact | 11. Auxiliary Switch | 17. Lead Screw Mechanism |
| D. Instrument Compartment | 6. Earthing Switch | 12. Movable Shutter | 18. Earthing Main Busbar |
| 1. Enclosure 1.1 Pressure Relief Panel 1.2 Control Cable Cover Plate |
7. Current Transformer (CT) | 13. Withdrawable Trolley | 19. Removable Horizontal Partition |
| 2. Branch Busbar | 8. Voltage Transformer (VT) | 14. Earthing Switch Operating Mechanism |
Ordering Notice
Product operating site and special requirements:
📋
Provide product ordering drawings, which should include wiring diagrams and indicate transformer capacity, main component model specifications, distribution branch circuits, and capacity.
⚡
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.
🎨
Specify the requirements for surface treatment of the product.
Frequently Asked Questions
Q
What is the rated voltage of the KYN28-12 withdrawable armored metal-enclosed switchgear?
The KYN28-12 switchgear has a rated voltage of 12 kV, making it suitable for medium-voltage indoor power distribution systems.
Q
What types of operating mechanisms are available for this switchgear?
Two types of operating mechanisms are available: D (Electromagnetic) and T (Spring). The choice depends on the application's control and automation requirements.
Q
What is the enclosure protection class of the KYN28-12 switchgear?
The KYN28-12 switchgear enclosure meets IP4X protection class, providing protection against solid objects greater than 1mm in diameter and suitable for indoor installations.
Q
What rated current options are available for the main bus?
The main bus rated current options include 630A, 1250A, 1600A, 2000A, 2500A, and 3150A, providing flexibility for various power distribution needs.
Q
What information needs to be provided when placing an order for KYN28-12 switchgear?
When ordering, customers should provide product ordering drawings including wiring diagrams, transformer capacity, main component model specifications, distribution branch circuits and capacity, metering and compensation device requirements, compensation capacitor capacity, and surface treatment requirements.
Q
What are the main compartments of the KYN28-12 switchgear?
The KYN28-12 switchgear is divided into four main compartments: A (Busbar Compartment), B (Circuit Breaker Compartment), C (Cable Compartment), and D (Instrument Compartment), each serving a distinct function to ensure safe and efficient operation.