24kV Bushing
Your Leading 24kV Bushing Supplier
Trust In Grid Co., Ltd. is a professional transformer manufacturer, specializing in the design and production of power transformer, high-voltage switchgear, power distribution equipment, energy storage systems (ESS), magnetic wire, bushing and machining parts. Our power transformers are available in 500KV, 330KV, 220KV, and 110KV models, and are widely used in power utilities, renewable energy systems (solar and wind), industrial facilities, data centers, transportation infrastructure, and OEM applications.
Why Choose Us?
Production Capacity
With 6 factories covering 240,000 m², over 2,000 employees, and 200+ engineers, we support large-scale projects and long-term global supply with more than 30 years of export experience.
Advanced Equipment
We operate a complete set of in-house production equipment, including cutting, winding, CNC machining, vacuum drying, and testing systems, with over 450 machines ensuring stable quality and efficient output.
Quality Control
All products are manufactured and tested in compliance with IEC, IEEE, ANSI, CSA, UL/cUL, CE, and ISO 9001:2015 standards, ensuring reliable performance and smooth international approval.
OEM & ODM Capability
Our engineering team provides OEM/ODM support, including customized design and technical optimization, delivering tailored solutions for utility, industrial, and renewable energy projects.
Specifications of 24kV Bushing
|
24kV Porcelain Housed Rod Type Bushing |
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|
Model |
CBRG-24/630 |
CBRG-24/1250 |
|
Rated Voltage (Ur) |
24 kV |
24 kV |
|
Rated Current (Ir) |
630 A |
1250 A |
|
Creepage Distance |
744mm |
744mm |
|
Suitable Altitude |
1000m |
1000m |
|
Dielectric Dissipation Factor (tanδ) |
≤0.5% |
≤0.5% |
|
Partial Discharge at |
≤10 |
≤10 |
|
1.5 Um / √3 kV (pC) |
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|
Power Frequency Withstand Voltage |
61 kV |
61 kV |
|
Lightning Impulse Withstand Voltage |
125 kV |
125 kV |
|
External Insulation Material |
Porcelain |
Porcelain |
|
Color (Typical) |
Brown Grey |
Brown Grey |
|
Terminal Material (Typical) |
Silver-Plated Copper |
Silver-Plated Copper |
|
Mounting Height (Center-to-Center) |
930 ±20 mm |
950 ±20 mm |
|
Construction Type |
Dry-Type Capacitive Transformer Porcelain Bushing (Through Cable Type) |
Dry-Type Capacitive Transformer Porcelain Bushing (Through Cable Type) |
Electrical Insulation – Prevents electrical failures and offers safe power transmission.
Structural Support – It provides a strong and secure interconnection of transformer components.
Leakage Prevention – Prevents leaks of oil or gas in transformers, which facilitates proper functioning.
Voltage Regulation – It ensures steady voltage levels within the electrical system.
Customization Options
| Insulation type: | Ceramic or composite |
| Mechanical dimensions: | Customizable |
| Flange design: | Customizable |
| Conductor material: | Customizable |
| Terminal type: | Customizable |
| Logo: | Customizable |
| MOQ: | Customizable |
Power Generation and Distribution
In the energy sector, porcelain bushings are often found in transformers and substations. They help isolate electrical components, ensuring safety and reliability in power distribution. Without them, we'd be in a bit of a pickle!
Telecommunications
Ever wonder how your phone signal stays strong? You guessed it—porcelain bushings! They're used in various telecom equipment, ensuring that signals are transmitted without interference.
Automotive Industry
Surprisingly, porcelain bushings are also making waves in the automotive world. They're used in electric vehicles (EVs) to insulate wiring and improve performance. Talk about innovation!
Comparison of 24kV Bushing with Other Insulation Materials
|
Feature |
High-Grade Porcelain (C130) |
Composite/Polymer |
|
Core Material |
Alumina Porcelain (Al₂O₃, SiO₂) |
Fiberglass Reinforced Plastic (FRP) Rod |
|
Shed Material |
Glazed Porcelain (Integral part of body) |
Silicone Rubber or EPDM |
|
Mechanical Strength |
Very high compressive strength, moderate cantilever strength. Brittle. |
Very high tensile strength, excellent flexibility. |
|
UV Resistance |
Excellent. The material is inorganic and inert. |
Good to excellent, but can degrade over decades with intense UV exposure. |
|
Pollution Performance |
Relies on creepage distance and washing. Hydrophilic (water sheets). |
Excellent. The surface is hydrophobic (water beads), preventing conductive films. |
|
Weight |
Heavy. |
Lightweight, easy to handle and install. |
|
Vandalism Resistance |
Poor. Can be shattered by impact. |
Excellent. Can withstand impact, including gunshots. |
|
Long-Term Track Record |
Over 100 years of field data. |
Approx. 40-50 years of field data. |
Ordering Process
Send Us Inquiry → Receive Our Quotation → Negotiate Details → Confirm the Sample → Sign Contract/Deposit → Mass Production →Cargo Ready → Balance/Delivery → Further Cooperation
Payment Terms
T.T with 30% downpayment, 70%before shipment.
Paypal or West Union also accept.
Our Service Highlights
Pre-Sales Consultation & Design Support
Early technical engagement to define requirements and deliver optimized solutions.
During Sales & Project Execution
Transparent project management with controlled production, quality tracking, and on-time delivery.
Warranty Advantage
Minimum 2-year warranty on all products, ensuring reliable and risk-free operation.
After-Sales Support
24/7 technical support with fast response, spare parts availability, and training services.
Long-Term Partnership
Lifelong technical support and upgrade guidance for sustained performance.
Packaging & Shipping
Packaging details:
Shockproof foam/moisture-proof film, professional export cartons/wooden crates/pallets.
Final assembly ensures mechanical integrity and readiness for transportation and installation.
Certificates
We're well-known as one of the leading 24kv bushing manufacturers and suppliers in China, also support customized service. Please feel free to buy high quality 24kv bushing made in China here from our factory. Contact us for more details.
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