China KYN28-24 Withdrawable Armored Metal-Enclosed Switchgear – Low Current Industrial Grade Manufacturers, Company

KYN28-24 (Z) (GZS1) Withdrawable Armored Metal-Enclosed Switchgear (hereinafter referred to as "switchgear") is suitable for three-phase AC 50Hz power systems, used for receiving and distributing electrical energy and controlling, protecting, and monitoring circuits This product complies with the standards GB3906 "3.6-40.5kV AC Metal Enclosed Switchgear and Control Equipment" and GB/T11022 "Common Techniques for High Voltage Switchgear and Control Equipment Standards" Technical Requirements ", IEC62271:200" AC Metal Enclosed Switchgear and Control Equipment with Rated Voltage above 1kV and Below 52kV ", DL/T404" Technical Conditions for Ordering Indoor AC High Voltage Switchgear "

Product Description

Type Designation

KYN28-24-Removable-Armored-Switchgear-6
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

KYN28-24-3
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 (FAQ)

What is the rated voltage and frequency of the KYN28-24 switchgear?

The KYN28-24 armored withdrawable metal-clad switchgear operates at a rated voltage of 24 kV with a standard rated power frequency of 50 Hz.

What current ratings are supported by this switchgear?

Both the vacuum circuit breaker and the switchgear assembly support standard rated current configurations of 630A, 1250A, 1600A, 2000A, 2500A, and 3150A.

What level of ingress protection (IP Rating) does the enclosure offer?

The standard enclosure provides an ingress protection rating of IP4X to prevent foreign objects from entering, and IP2X when compartment doors are opened during specific maintenance operations.

What information is essential to include when placing an order?

Orders require comprehensive wiring diagrams showing transformer capacity, component specifications, distribution branch circuits, optional metering/compensation setup needs, and specific surface treatment requirements.

What are the key internal compartments of the KYN28-24 structure?

The switchgear is divided into four main segregated functional compartments: the Busbar Compartment, Circuit Breaker Trolley Compartment, Cable Compartment, and Relay & Instrument Compartment.

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