Premium Electrical Porcelain Post Insulator, Electrical Power Fitting for Overhead Distribution Line with CE Certified
Product Specifications
- ANSI Class
Contact Supplier
Product Highlights
- 66kV Brown Porcelain Post Insulator, 45-inch Creepage Distance, IEC & GB Compliant
- Rated for 25kV-66kV Overhead Lines, with 175kV Dry / 160kV Wet Power Frequency Withstand
- Reliable Operation in Coastal, Industrial & High Humidity Areas Worldwide
- Made of High-Strength Vitrified Porcelain, Smooth Glazed Surface for Easy Cleaning
- 22kN Tension Strength & Mechanical Load Capacity, Ensuring Stable High-Voltage Support
- Certified by GB/T, IEC 61284, CE, ISO9001, meeting international and Chinese standards
- Excellent Anti-Pollution & Self-Cleaning Performance, Suitable for IEC Pollution Class A/B/C/D Environments
- Wide Operating Temperature Range -40C to +50C, Stable Performance in Coastal, Desert & Heavily Polluted Areas Worldwide
- Service Life>20 Years, Durable for Long-Term Outdoor Power Grid Applications
- Customizable Solutions: Mold Development, OEM Packaging & Spherical Type Connection Options Available
Product Attributes
- Customization
- Available
- Application
- High-voltage, Low-voltage, High-temperature
- Material
- Porcelain
- Model NO.
- ANSI-57
- Structure
- Post Insulator
- Type
- Other Type
- Usage
- High Voltage Power Transmission, Insulation
- Connection Method
- Other Type
- Size of Bearing Capacity
- 22kN
- Certification
- CCC, CE, ISO9001
- Color
- Brown
- Brand
- Jinkaite
- Pollution Level
- IEC Pollution Class a/B/C/D
- Standard
- IEC ANSI BS DIN
- Galvanization Standard
- ISO 1461
- Lead Time
- 15-25 Days
- Custom Service
- Mold Development,OEM Packaging,Logo Printing
- Creepage Distance
- 45inches
- Rated Voltage
- 66kv
- Power Frequency Withstand Voltage
- Dry: 175kv Wet: 160kv
- Tension Strength
- 22kN
- Transport Package
- Standard Export Cartons
- Specification
- Weight 9.5-21.5 KG
- Trademark
- JINKAITE
- Origin
- Jiangxi, China
- HS Code
- 8546900000
- Production Capacity
- 50000PCS/Year
- Package Size
- 45.00cm * 35.00cm * 25.00cm
- Package Gross Weight
- 19.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Premium Electrical Porcelain Post Insulator, Electrical Power Fitting for Overhead Distribution Line with CE Certified
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Premium Electrical Porcelain Post Insulator, Electrical Power Fitting for Overhead Distribution Line with CE Certified -
Premium Electrical Porcelain Post Insulator, Electrical Power Fitting for Overhead Distribution Line with CE Certified -
Premium Electrical Porcelain Post Insulator, Electrical Power Fitting for Overhead Distribution Line with CE Certified -
Premium Electrical Porcelain Post Insulator, Electrical Power Fitting for Overhead Distribution Line with CE Certified -
Premium Electrical Porcelain Post Insulator, Electrical Power Fitting for Overhead Distribution Line with CE Certified -
Premium Electrical Porcelain Post Insulator, Electrical Power Fitting for Overhead Distribution Line with CE Certified -
Premium Electrical Porcelain Post Insulator, Electrical Power Fitting for Overhead Distribution Line with CE Certified
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Product Description
ANSI Class | Leakage distance (Inches/mm) | Dry arcing distance (Inches/mm) | Cantilever strength (Pounds/kN) | Tension strength (Pounds/kN) | Type application voltage (kV) | Low frequency dry flashover voltage (kV) | Low frequency wet flashover voltage (kV) | Critical impulse flashover voltage, positive (kV) | Critical impulse flashover voltage, negative (kV) |
57-21 | 14(356) | 6 1/2(165) | 2,800(12.5) | 5,000(22) | 25 | 80 | 70 | 130 | 155 |
57-22 | 22(559) | 9 1/2(241) | 2,800(12.5) | 5,000(22) | 35 | 110 | 100 | 180 | 205 |
57-23 | 29(737) | 12 1/4(311) | 2,800(12.5) | 5,000(22) | 45 | 125 | 115 | 210 | 260 |
57-24 | 40(1015) | 14 1/2(368) | 2,800(12.5) | 5,000(22) | 55 | 150 | 125 | 255 | 340 |
57-25 | 45(1145) | 17 1/4(438) | 2,800(12.5) | 5,000(22) | 66 | 175 | 160 | 290 | 380 |
Shipping: We cooperate with well-known international logistics companies (DHL, FedEx, UPS, etc.) to provide fast and reliable door-to-door service for small orders. For bulk orders, we offer sea freight, air freight or rail freight options according to your needs, with professional customs clearance documents prepared to ensure smooth delivery to European, American and Southeast Asian countries.
Lead Time: Sample order: 5-10 working days; Bulk order: 15-20 working days, depending on order quantity. We will track the shipment in real time and inform you of the logistics information until the goods are safely received.
Jiangxi Jinkaite Electric Power Fittings Co., Ltd. is a professional manufacturer specialized in R&D, production, sales and service of electric power fittings. We provide reliable products and solutions for power transmission, distribution networks, and optical cable projects.
2. Where are you located?
We are located in Nanchang, Jiangxi Province, China, with convenient logistics covering the whole country.
3. What standards do you follow?
Our products comply with GB/T 2314, DL/T 767, DL/T 765 and other national and industrial standards.
4. How long is delivery time?
Standard items: 1–3 days. Customized items: 7–15 days.
5. Can you provide samples?
Yes. We provide free samples for testing and verification.
6. How to get a quotation?
Send us model, quantity, and delivery terms. We quote within the same day.
7. How long is the warranty?
1-year warranty under normal use and correct installation.
8. What if problems occur after delivery?
We provide replacement or return within 7 days for quality issues.
9. Do you support cash on delivery?
Standard orders: payment before delivery. Long-term partners can negotiate flexible terms
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI269852". Items marked "
" are certified.
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Company Profile
Founded in 2016, Jiangxi Suneng Electric Co., Ltd. is a leading manufacturer and supplier of LV and MV overhead line fittings, Insulation Piercing Connectors (IPC), Anchor Clamps, and power distribution components. Over the past decade, we have grown into a comprehensive OEM/ODM provider integrating mold design & R&D, plastic component production, metal processing, and electrical fittings manufacturing.
Driven by the philosophy of "Technical Excellence, Quality First", our mission is to provide safe, reliable, and customized power distribution solutions for industrial, commercial, and renewable energy applications. Our core values are: Quality-Oriented, Innovation-Driven, Customer Success, Integrity & Collaboration, Responsible Manufacturing.
Factory & Production Facilities / Our Factory
Our modern 19, 000 factory employs 80 skilled professionals and is equipped with state-of-the-art production facilities to ensure high-quality manufacturing of electrical fittings, IPCs, and plastic components. Key production facilities include:
Mold R&D Center: In-house full-cycle mold development, advanced 3D CAD design, mold flow simulation, CNC machining, EDM wire cutting.
Injection Molding Center: 48 high-precision injection molding machines capable of producing high-performance plastic housings, insulation sleeves, and industrial-grade components.
Die Casting & Metal Processing Center: 9 die casting machines and 19 precision punching machines for high-strength metal fittings and precision hardware parts.
Quality Control Laboratory: Tensile testing machines, weathering test instruments, and material analyzers to ensure compliance with ISO9001 and CE standards.
Assembly & Packaging Center: Fully integrated ERP/MES system enabling traceable, standardized, and automated production.
Product Portfolio / Our Product
We specialize in LV/MV electrical fittings, IPCs, anchor clamps, cable accessories, plastic components, and precision metal parts:
Electrical Fittings: Tension Clamps, Insulated Piercing Clamps (IPC), Parallel Groove Clamps, and other critical transmission & distribution components, designed for corrosion resistance, antiloosening, and longterm stability.
Transmission & Distribution Accessories: Vibration Dampers, Spacers, Suspension Clamps, Connectors, Preformed Fittings - ideal for highvoltage and extrahighvoltage power projects.
Cable Accessories: Cold/Heat Shrink Terminals, Insulated Joints, suitable for various cable sizes and industrial power distribution systems.
Plastic Components: Insulation Sleeves, Power Equipment Housings, Industrial Plastic Connectors - durable, wearresistant, and weatherproof.
Precision Metal Parts: HighLoad Metal Structures, Industrial Chains, Custom Parts - manufactured to strict tolerances for industrial applications.
About Our Factory & Business Background
- Address
- Zirui International, Honggutan, Nanchang, Jiangxi, China
- Terms of Payment
- LC, T/T, D/P, Western Union, Small-amount payment, Money Gram
- International Commercial Terms(Incoterms)
- FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, Others, FCA
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays - Nearest Port
- ningbo
Our Production Capability & Technical Expertise
- Main Products
- Ceramic Insulator, Strain Clamp, Insulation Piercing Connector, Polymeric Insulator, Terminal Connector, Anchor Clamp, Copper Cable Lug
-
ODM Service Available
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
- Export Year
- 2023-05-01
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015, ISO45001:2018, ISO14001
FAQ
- What is the rated voltage and key electrical performance of this insulator?
- Rated at 20kV with a 340mm creepage distance. It withstands 75kV dry / 45kV wet power frequency voltage, 110kV lightning impulse voltage, and 145kV power frequency withstand voltage, ideal for 10kV-20kV distribution lines.
- How does this insulator perform in harsh weather and polluted environments?
- Its smooth glazed surface and high-quality porcelain body provide strong anti-pollution and self-cleaning properties, suitable for IEC Pollution Class A/B/C/D. It works reliably in various climates globally.
- What certifications and standards does this product comply with?
- It is certified with GB (Chinese National Standard), CE, ISO9001, and fully complies with IEC 61284, ANSI, BS, and DIN standards, ensuring compatibility with global power grid projects.
- Can you provide custom services or OEM solutions for this insulator?
- Yes, we offer mold development, custom packaging, and OEM services to meet your specific project or branding needs.
- What is the lead time and packaging for shipment?
- The standard lead time is 15-25 days. Products are packed in standard export cartons for safe delivery to any location worldwide, ensuring your order arrives in perfect condition.
- Where is this post insulator commonly used?
- It is widely used in utility poles, distribution towers, and substation systems, providing reliable mechanical support and electrical isolation for overhead power lines in various climates worldwide.
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