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Help CenterTransparent U70BS 210 Insulators for Railway Catenary System Earthing Protection
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As a dedicated manufacturer of electrical insulation solutions, Jinhua Dika Electrical Equipment Co., Ltd. is proud to introduce our Transparent U70BS 210 Insulator, engineered specifically for the demanding environment of railway catenary system earthing protection. With over a decade of experience and ISO9001-certified manufacturing processes, we understand the critical need for reliability and safety in railway infrastructure. This insulator is designed to provide a clear visual advantage and robust electrical insulation, ensuring the safe and continuous operation of electrified railways by effectively managing earth fault currents and preventing flashovers.
Our Transparent U70BS 210 Insulator is a result of meticulous engineering and quality control. It is constructed from a high-grade polymer composite material that offers superior performance compared to traditional porcelain or glass insulators. The transparent design is not merely aesthetic; it allows for easy visual inspection of the insulator's core and interface, helping maintenance personnel quickly identify potential issues such as cracks or contamination without the need for specialized equipment. This proactive maintenance capability can significantly reduce downtime and operational risks.
The product excels in several key technical areas essential for railway applications:
- High Mechanical Strength: With a specified mechanical failing load of 70 kN, the insulator can withstand significant mechanical stresses from the catenary wire, wind loads, and occasional impacts, ensuring long-term structural integrity.
- Superior Electrical Performance: It is rated for 27.5 kV systems, common in railway electrification. The design provides a substantial creepage distance to prevent surface leakage currents, even in polluted or humid conditions.
- Exceptional Environmental Resistance: The polymer housing is highly resistant to UV radiation, temperature extremes, and chemical pollutants, maintaining its insulating properties and mechanical strength over a wide operational temperature range.
- Lightweight and Vandal-Resistant: The composite material makes the insulator much lighter than its ceramic counterparts, simplifying handling and installation. Its design also offers good resistance to vandalism.
Here is a summary of the primary technical specifications:
| Parameter | Specification |
| Model | U70BS 210 |
| Rated Voltage | 27.5 kV |
| Mechanical Failing Load (MFL) | 70 kN |
| Creepage Distance | Approx. 210 mm |
| Color | Transparent |
| Lightning Impulse Withstand Voltage | Information available upon request |
| Power Frequency Wet Withstand Voltage | Information available upon request |
For railway operators and construction companies, the benefits are substantial. The insulator's primary role in earthing protection is to provide a reliable path to ground for fault currents, protecting personnel and equipment. Its high pollution resistance ensures consistent performance in areas with industrial pollution or coastal salt fog, common challenges for railway lines. The transparent body aids in routine inspections, potentially reducing maintenance costs and preventing unexpected failures that could disrupt train schedules.
Jinhua Dika Electrical Equipment supports its global clientele with reliable logistics, shipping from major ports like Shanghai, Tianjin, Guangzhou, and Ningbo to markets worldwide, including North America, Europe, Southeast Asia, and Africa. Our annual export value of US$1-1.5 Million and a dedicated team of 11-50 professionals reflect our commitment to quality and customer satisfaction. When you choose our Transparent U70BS 210 Insulator, you are not just purchasing a component; you are investing in the safety, reliability, and efficiency of your railway network. We encourage you to contact us for detailed technical data sheets, custom requirements, or to discuss how our insulators can be integrated into your specific catenary system projects.
Frequently Asked Questions (FAQ)
Q1: What is the main advantage of a transparent insulator?
A: The primary advantage is enhanced inspectability. The transparent housing allows visual checks of the internal core and end fittings for cracks, moisture ingress, or tracking without dismantling, facilitating proactive maintenance.
Q2: Is this insulator suitable for high-speed rail lines?
A: Yes, the U70BS 210 is designed to meet the rigorous demands of modern railway systems, including high-speed lines. Its mechanical strength and electrical performance are suitable for such applications. Specific project compatibility can be confirmed upon request.
Q3: How does it perform in coastal or heavily polluted areas?
A: It performs reliably. The polymer composite material and the designed creepage distance provide excellent resistance to pollution flashover, making it suitable for coastal environments with salt fog or industrial areas with airborne contaminants.
Q4: What standards does this product comply with?
A> Our manufacturing follows relevant international and national standards, such as IEC and GB/T. The ISO9001 certification of our company underpins our consistent quality management system. Exact standard compliance details are available upon request.
Q5: Can you provide custom lengths or fittings?
A> Customization is possible. We can discuss modifications to length, end fittings, or other parameters based on your specific catenary system design and installation requirements.
Q6: What is the typical delivery lead time?
A> Lead times vary based on order quantity and current production schedule. Generally, for standard models, we aim for efficient delivery. Please inquire for a precise timeline for your order.
Q7: How should these insulators be stored before installation?
A> They should be stored in a dry, clean environment away from direct sunlight, extreme temperatures, and corrosive chemicals. The original packaging should be kept intact until installation.
Q8: Do you provide installation guidance or technical support?
A> Yes, we provide technical data sheets and basic installation guidelines. For complex projects, our engineering team can offer further technical consultation to ensure correct application.
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