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As a dedicated manufacturer of high-voltage electrical equipment, Jinhua Dika Electrical Equipment Co., Ltd. specializes in producing reliable components for the global power grid. Our 110kV Suspension Insulator, engineered in strict compliance with the IEC 61109 standard, represents our commitment to quality and safety in power transmission. Designed for durability and performance, this insulator is a critical component for ensuring uninterrupted electricity flow across vast distances. We leverage our expertise and ISO9001-certified processes to deliver products that meet the rigorous demands of utilities and contractors worldwide. Trust in our insulators to provide the stability and insulation your overhead lines require.
This suspension insulator is a fundamental element in high-voltage transmission systems, primarily used to support and electrically isolate conductors from the supporting tower structure. Its robust design is tailored to withstand harsh environmental conditions, including pollution, UV exposure, and significant mechanical loads from the conductor weight and wind.
Key Features & Technical Advantages:
- Superior Dielectric Strength: Provides excellent electrical insulation at 110kV system voltage, preventing flashovers and ensuring system reliability.
- High Mechanical Load Capacity: Manufactured to withstand specified tensile loads (e.g., 70kN, 120kN, 160kN), ensuring structural integrity under conductor tension and ice/wind loading.
- Weather and Pollution Resistance: The shed profile is designed to optimize creepage distance, enhancing performance in polluted or coastal environments by preventing surface tracking.
- Long Service Life: Constructed from high-grade materials like toughened glass or high-strength porcelain, offering exceptional resistance to aging, thermal shock, and impact.
- Zero-Low Maintenance: Non-detective design (for glass types) allows for easy visual inspection from the ground; requires minimal maintenance over its operational lifetime.
- Standardized Design: Full compliance with IEC 61109 ensures international acceptance, interoperability, and consistent performance metrics.
Technical Specifications Overview:
| Parameter | Typical Value / Description |
|---|---|
| Rated System Voltage | 110 kV |
| Standard | IEC 61109 |
| Nominal Diameter | Available upon request (e.g., 255 mm, 280 mm) |
| Nominal Height | Available upon request (e.g., 146 mm, 170 mm) |
| Specified Mechanical Load (SML) | 70 kN, 120 kN, 160 kN, or as required |
| Minimum Failing Load | Exceeds SML as per IEC standard |
| Creepage Distance | Customizable based on pollution level (e.g., 315 mm, 400 mm) |
| Material | Tempered Glass or Porcelain |
| Connection | Ball and Socket (as per IEC 60120) |
Benefits for Your Project: By choosing our IEC-compliant insulators, you secure a component that reduces the risk of line outages, lowers long-term lifecycle costs through durability, and simplifies procurement with globally recognized standards. They are suitable for new line construction, system upgrades, and maintenance replacements across diverse geographical markets.
Backed by an annual export value reflecting consistent global trust and our presence in markets from North America and Europe to Southeast Asia and Africa, Jinhua Dika stands as a proven supplier. Our ISO9001 certification underpins every manufacturing step, guaranteeing that each 110kV Suspension Insulator meets precise specifications. With major shipping ports like Shanghai and Ningbo at our disposal, we ensure efficient and reliable logistics. For a component that combines international standards with proven reliability, contact us to discuss your specific requirements and secure a stable supply for your critical infrastructure projects.
Frequently Asked Questions (FAQ)
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Q: What is the main difference between porcelain and tempered glass suspension insulators?
A: Both are high-performance materials. Tempered glass insulators are known for their "self-shattering" feature upon failure, allowing for easy visual detection from the ground. Porcelain insulators offer robust mechanical strength and a long history of proven performance. The choice often depends on specific utility preferences and local conditions. -
Q: How do I determine the required Specified Mechanical Load (SML) for my transmission line?
A: The SML is determined by engineering calculations considering factors like conductor type, weight, span length, wind and ice loading zones, and safety factors. It's crucial to consult your line design specifications or our technical team for the correct rating. -
Q: Are these insulators suitable for coastal or heavily polluted areas?
A: Yes. By specifying a longer creepage distance (e.g., a higher specific creepage distance in mm/kV), the insulator's performance in such environments is significantly enhanced. We can provide insulators designed for specific pollution severity levels as defined in standards. -
Q: Do you provide complete string assembly hardware?
A: We primarily supply the insulator units. However, associated hardware like ball pins, sockets, and clevis tongues conforming to IEC 60120 can be sourced and supplied as part of a complete package upon request. -
Q: What is the typical delivery lead time for an order?
A: Lead time varies based on order quantity and specific specifications. For standard SML ratings and materials, production can be relatively swift. We provide estimated timelines upon receipt of your detailed inquiry. -
Q: Can you produce insulators compliant with standards other than IEC 61109, like ANSI?
A> Our core production is aligned with IEC standards, which are widely accepted globally. For markets requiring ANSI or other regional standards, please contact our sales team to discuss feasibility and customization options. -
Q: How should these insulators be stored and handled before installation?
A: Store in a dry area, preferably in original packaging. Avoid mechanical impacts or stacking that could cause stress. Handle with care using appropriate equipment to prevent damage to the sheds or the metal fittings. -
Q: What quality control tests are performed on these insulators?
A> In line with IEC 61109 and our ISO9001 system, tests include routine mechanical load tests, puncture voltage tests, temperature cycle tests, and porosity tests (for porcelain). Sample units from production batches undergo type tests to verify design performance.
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