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Help CenterU70BS 210 Clear Glass Insulator, 210mm Diameter, for Earthing Systems
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As a specialized manufacturer of electrical insulation solutions, Jinhua Dika Electrical Equipment Co., Ltd. proudly presents the U70BS 210 Clear Glass Insulator, engineered for reliability in critical earthing and grounding applications. With over a decade of experience serving a global clientele across continents, we understand the paramount importance of safety and durability in electrical infrastructure. This insulator represents our commitment to quality, manufactured under stringent ISO9001 standards to ensure consistent performance in isolating and protecting your grounding systems from electrical faults.
The U70BS 210 insulator is designed to provide a robust and transparent barrier in earthing systems, a fundamental component for the safe operation of power distribution networks, substations, and industrial plants. Its primary role is to mechanically support and electrically isolate the grounding conductor from its mounting structure, preventing unwanted current flow and ensuring a reliable path to earth during fault conditions.
Core Product Features & Technical Advantages:
- Superior Dielectric Strength: Manufactured from high-quality, annealed clear glass, the U70BS 210 offers excellent insulating properties, capable of withstanding high voltage stresses commonly encountered in earthing applications.
- Enhanced Mechanical Durability: The tempered glass construction provides high tensile and compressive strength, resisting mechanical shocks, environmental stress, and vandalism, ensuring a long service life even in harsh outdoor conditions.
- Excellent Weather & Pollution Resistance: The smooth, non-porous glass surface is inherently resistant to tracking and erosion caused by pollution, salt fog, and industrial contaminants. This "self-cleaning" property helps maintain insulation performance over time, reducing maintenance needs.
- Clear Visual Inspection: The transparent nature of the glass allows for easy visual inspection for cracks, chips, or internal defects without the need for specialized equipment, facilitating proactive maintenance and safety checks.
- Stable Performance Across Temperatures: Glass insulators exhibit minimal thermal expansion and maintain stable electrical characteristics across a wide temperature range, from freezing cold to extreme heat.
- Non-Combustible & Chemically Inert: Being an inorganic material, glass is completely fireproof and does not degrade or release harmful substances when exposed to UV radiation or chemical exposure.
Technical Specifications:
The following table outlines the key technical parameters for the U70BS 210 Clear Glass Insulator:
| Parameter | Specification |
| Model Designation | U70BS 210 |
| Nominal Diameter | 210 mm |
| Material | Clear Tempered Glass |
| Standard Creepage Distance | Approximately 280-320 mm (Customizable) |
| Rated Electro-Mechanical Failing Load (EMFL) | 70 kN (Minimum) |
| Power Frequency Wet Withstand Voltage (1 min) | 30 kV (Typical) |
| Lightning Impulse Withstand Voltage (1.2/50 µs) | 75 kV (Typical) |
| Application | Earthing Systems, Grounding Rods, Lightning Protection |
| Mounting Type | Pin-type (fits standard pin fittings) |
Benefits for Your Projects:
- Increased System Safety: Reliable insulation minimizes the risk of ground potential rise and ensures effective fault current dissipation, protecting personnel and equipment.
- Long-Term Cost Efficiency: The durability and low maintenance requirements of glass insulators translate to lower total lifecycle costs compared to some alternative materials.
- Global Compliance: Designed to meet international standards such as IEC and ANSI, facilitating use in projects worldwide, from North America and Europe to Southeast Asia and Africa.
- Supply Chain Reliability: With an annual export value reflecting consistent production capacity and major shipment ports across China, we ensure timely delivery to keep your projects on schedule.
Trust in a product backed by a manufacturer with a proven track record. Jinhua Dika Electrical Equipment Co., Ltd., with its dedicated team and ISO9001-certified quality management system, delivers components you can rely on. Our products are trusted in diverse markets, from the demanding grids of Eastern Europe to the tropical climates of Southeast Asia and Oceania. When you choose the U70BS 210 Clear Glass Insulator, you are not just purchasing a component; you are investing in the safety, reliability, and longevity of your electrical infrastructure. Contact us today to discuss your specific requirements or to request samples and detailed quotations.
Frequently Asked Questions (FAQ)
Q1: What are the primary applications for the U70BS 210 insulator?
A: This insulator is specifically designed for use in earthing (grounding) systems. It is commonly employed to insulate grounding conductors or rods where they pass through structures, on crossarms of transmission/distribution poles, or at the base of lightning masts to prevent unwanted currents and ensure a clean earth connection.
Q2: Why choose a glass insulator over a polymer or porcelain type for grounding?
A: Glass insulators offer several advantages: superior long-term stability against weathering and UV degradation, excellent pollution resistance with a self-cleaning surface, non-combustibility, and the unique benefit of allowing visual inspection for damage. They are a proven, reliable technology for critical safety applications.
Q3: Is the 210mm diameter a standard size, and are other sizes available?
A: The 210mm diameter is a common and effective size for many earthing applications, providing a good balance of creepage distance and mechanical strength. We offer a range of insulator sizes and configurations. Please inquire about custom diameters or designs to meet your project's specific needs.
Q4: What mounting hardware is compatible with this pin-type insulator?
A: The U70BS 210 is designed to fit standard pin fittings (such as according to IEC 60305 or equivalent ANSI standards). We can provide compatible pins, nuts, and washers as part of a complete assembly kit upon request.
Q5: How does the "clear" aspect benefit installation and maintenance?
A: The transparency allows installers and maintenance crews to easily spot any physical defects like cracks or internal flaws immediately. This enables quick identification of compromised units, enhancing safety protocols and simplifying routine inspections.
Q6: Can this insulator be used in coastal or highly polluted industrial areas?
A: Yes, the smooth glass surface is highly resistant to the buildup of conductive pollutants like salt or industrial dust. Its performance in such challenging environments is one of its key strengths, making it suitable for coastal substations or industrial plants.
Q7: What is the typical lead time and packaging for export orders?
A: Lead times vary based on order quantity. Standard packaging involves sturdy wooden crates or pallets to ensure safe transport. We ship globally from major Chinese ports like Shanghai, Tianjin, Guangzhou, and Ningbo, with extensive experience supplying to all our listed main markets.
Q8: Does the product come with test reports or certification?
A: Our manufacturing process is ISO9001 certified, ensuring consistent quality control. Standard production test reports (electrical and mechanical) are available. Specific third-party certification can be discussed based on your project requirements.
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