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24kV Bushing Insulator
2. Installation Method: Penetrate into cabinets or between the cabinet and other grounded objects.
3. Compatible Cabinets: Compatible with KYN28A-24 switchgear.
4. Product Advantages: Excellent electrical insulation performance, mechanical protection, superior sealing performance, and easy installation.
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Product Introduction
24kV bushing insulator is suitable for three-phase AC systems power stations and substation distribution equipment with a rated voltage of 24kV and a frequency of 50~60Hz. It is used to allow conductive parts to pass through partitions, walls, or other grounded objects, and serves as an insulation support and fixed connection between external conductors (busbars).
Product Specifications
Specification Sheet
|
No. |
Item |
Unit |
Date |
|
1 |
Rated Voltage |
kV |
24 |
|
2 |
Rated Current |
A |
630/1250/1600/2000/2500/3150 |
|
3 |
Power Frequency Withstand Voltage |
kV/ min |
65 |
|
4 |
Partial Discharge Limit Value |
pc |
≤5 |
|
5 |
Material |
Epoxy Resin |
Product Advantages
24kV bushing insulator has many advantages:
Excellent Electrical Insulation Performance
Effectively prevents accidental contact between conductive parts at different potentials, avoiding electrical faults such as short-circuit. It can withstand specific voltage levels, ensuring the safe and stable operation of the power system.
Mechanical Protection
Protects wires or cables passing through walls from mechanical damage such as compression or friction from the wall. It also helps prevent external impacts and vibrations from damaging the internal wiring.
Superior Sealing Performance
Prevents dust, moisture, and other contaminants from entering the bushing, which could affect its electrical performance. Good sealing also helps prevent small animals from entering, reducing the risk of electrical accidents.
Easy Installation
The structure is relatively simple, making the installation process easy, saving time and labor costs. It can adapt to different installation environments and wall structures.
Product Applications
The porcelain wall bushing is used in power distribution equipment and high voltage electrical equipment in power stations and substations. It allows conductors to pass through grounded partitions, walls, or the casing of electrical equipment, supporting the conductive parts to insulate them from the ground or casing.
Product Outline Drawing
TGA03-24 Type
|
Model |
A |
B |
|
TGA03-1 |
70 |
18 |
|
TGA03-2 |
90 |
18 |
|
TGA03-3 |
90 |
45 |
|
TGA03-4 |
110 |
18 |
TGA04-24 Type
|
Model |
L |
W |
R |
|
TGA04-1 |
90 |
20 |
2 |
|
TGA04-2 |
90 |
45 |
2.5 |
|
TGA04-3 |
110 |
20 |
2 |
|
TGA04-4 |
110 |
45 |
2.5 |
|
TGA04-5 |
133 |
20 |
2 |
|
TGA04-6 |
135 |
45 |
2.5 |
|
TGA04-7 |
140 |
70 |
5 |
Types of 24kV Bushing Insulators
| Type | Application | Typical Current Range | Features |
|---|---|---|---|
| Plug-in / Screw-in Bushing | Transformers, Switchgear (RMU, GIS) | 250A / 630A / 1250A | Designed to EN 50180/50181, with threaded connections (M12/M16) |
| Wall Bushing | Through-wall connections in switchgear | 2000A – 5000A | Larger size, often with shielding, IP67/IP68 protection |
| Transformer Bushing | Pole-mounted or pad-mounted transformers | 250A – 3150A | Porcelain or epoxy, with ribbed design for outdoor use |
| GIS / RMU Bushing | Gas-insulated switchgear, ring main units | 630A / 1250A | Compact design, excellent gas sealing |
| Outdoor Insulator | Tower substations, cable transitions | 800A | With cantilever strength ratings (e.g., 5kN), weather-resistant |
Products function Description
A 24kV bushing insulator is a critical insulation component that allows a conductor to safely pass through a grounded barrier (like a switchgear enclosure, transformer tank, or wall). For 24kV systems, it's essential for:
Insulation: Provides reliable electrical isolation between the live conductor and the grounded metal enclosure.
The insulation function of a 24kV bushing is to safely isolate high voltage from ground while controlling electric fields and withstanding overvoltages – making it the "invisible guardian" of every switchgear and transformer.
Mechanical support: Supports and positions the conductor.
The mechanical support function of a 24kV bushing is what keeps everything physically in place – holding conductors steady against gravity, wind, and the violent forces of short circuits.
Sealing: Maintains the integrity of gas or air-insulated equipment.
The sealing function of a 24kV bushing is the "container integrity" that keeps insulating gas/oil in and destructive moisture out – without it, the best insulation is useless.
Contact Us
Contact: Melody Sun (Export Sales Manager)
Email: xdtz03@westpowerelectric.com
Mobile: +86 180 9176 5658 (WhatsApp)
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