The Insulator Top Tie secures covered conductors to the top groove of pin insulators in overhead power line systems, providing uniform resistive contact and enhanced line stability. This preformed helical component bundles conductors while protecting against abrasion and vibration.
The tie typically uses aluminum or aluminum-clad steel for mechanical strength, combined with an elastomer or Polyvinyl Chloride (PVC) pad that insulates and cushions the conductor. An identification tag specifies catalog number, neck size, and conductor diameter range, while color codes enable quick recognition of conductor and insulator dimensions.
Technical specifications address mechanical and impact strength to withstand conductor weight and external forces. Rated voltage aligns with transmission line requirements, while American National Standards Institute (ANSI) classifications define neck diameter and groove contours. Sizes accommodate conductor diameters up to 1.240 inches, with lengths ranging from approximately 28 to 40 inches depending on the model.
The preformed design enables easy installation without manual tying and provides double support at critical locations such as road crossings and line angles. Rebound resilience helps conductors return to position after minor displacements, while decreasing shimmy and offering superior Radio Interference Voltage (RIV) characteristics compared to hand-tied alternatives. Applications include securing bare or plastic-jacketed conductors in Aluminum Conductor Steel Reinforced (ACSR), All Aluminum Conductor (AAC), and All Aluminum Alloy Conductor (AAAC) configurations, particularly in environments with unbalanced loading, line angles up to 10 degrees, or areas prone to vibration.
RaxPower: Insulator Top Tie Manufacturer with Decades of Expertise
Secure connections with RaxPower’s Insulator Top Tie solutions. The Insulator Top Tie is designed to bundle conductors to the top groove of pin insulators, ensuring stable positioning even under varying loads. Our preformed top ties feature a uniform design and are made from high-strength materials like aluminum clad steel, offering excellent tensile strength and corrosion resistance. This innovative design provides easy installation without the need for additional tools, setting a new standard for secure and efficient installations.
With features such as rebound resilience, it helps the conductor rebound back to the insulator curve, reducing shimmy and protecting against abrasion. As RaxPower, China’s leading manufacturer established in 2003 with 21 years of experience, we leverage our expertise in hot forging and automated processes to produce Insulator Top Ties with accurate sizing and enhanced durability. Our strict quality control, including load testing and galvanization, ensures each tie meets high standards for mechanical strength and insulation performance.
Guided by our philosophy “quality is life, reputation is base,” we focus on continuous innovation and customer-focused reliability, offering customization based on your specific cable and insulator requirements. Our versatile ties are compatible with various conductor types like ACSR, AAC, and AAAC, providing double support to prevent slipping and ensure operational safety. Contact us for more information.
| Group | Parameter | Value |
|---|---|---|
| General | Application | Top Tie |
| General | Catalog Number | LDIJ4602AS |
| General | Color Code | Orange |
| General | Insulator Throat Neck Type | J Neck |
| General | Material | Aluminum Clad Steel |
| General | Pad Material | Elastomer |
| General | Product Category | Ties |
| General | Type | Formed Wire |
| General | UPC | 096359735311 |
| General | ANSI Class | ANSI Class 55-6, 55-7, 56-1 |
| General | Neck Diameter | 3.5 inches |
| General | Line Angle | up to 10 degrees |
| Dimensions | Length | 28 – 40 inches |
| Dimensions | Weight | 0.250 lb |
| Conductor Related | Conductor Diameter – Maximum | 1.240 inches |
| Conductor Related | Conductor Diameter – Minimum | 0.245 inches |
| Conductor Related | Conductor Diameter Range | 0.245 – 1.240 inches |
| Conductor Related | Conductor Type | ACSR, AAC, AAAC, Compacted ACSR, Compacted AAC and AWAC® |
| Logistics | Carton Quantity | 100 |
| Logistics | Pallet Quantity | 1600 |
Frequently Asked Questions
What is an Insulator Top Tie?
An Insulator Top Tie is designed to bundle conductors to spool or pole top insulators, providing a uniform and resistive conductive attachment for securing covered conductors in top tie applications.
How many types of insulator ties are available?
There are three main types: top ties for securing conductors to the top groove of pin insulators, side ties for side grooves, and spool ties for spool insulators.
What are the key components and materials of an Insulator Top Tie?
Key components include the tie made of aluminum-clad steel wire for high mechanical strength, a pad providing insulation and cushioning, an identification tag with catalog number and conductor range, and color codes for size identification. Some ties also incorporate PVC and semi-conductive materials for enhanced insulation and durability.
What conductors are compatible with Insulator Top Ties?
Insulator Top Ties are compatible with ACSR, AAC, AAAC, Compacted ACSR, Compacted AAC, AWAC®, and plastic jacketed conductors, accommodating a wide range of applications.
What are the advantages of preformed top ties over hand tying?
Preformed top ties offer easier installation with machine-made helical shapes, uniform design for consistent fit, rebound resilience to handle conductor motion, better radio interference voltage (RIV) characteristics, and superior protection against abrasion and shimmy caused by conductor movement.
How do your insulator top ties meet reliability and compliance requirements?
Our insulator top ties are engineered with high mechanical strength to withstand various forces and conductor weights. They are designed to match specific rated voltages and adhere to ANSI classes, which define critical physical and electrical performance metrics. RaxPower employs strict quality control measures, including load testing and compliance with international standards such as IEC, to guarantee extreme product reliability and full standards compliance.
What range of products do you offer, and how do you maintain competitive pricing?
We offer a broad catalog including top, side, and spool ties made from aluminum-clad steel, PVC, and semi-conductor materials to accommodate various conductor types. Competitive wholesale pricing is maintained through efficient manufacturing scales, automation, and bulk production capabilities, ensuring low prices while providing good profit margins for partners.
How do you achieve cost savings for OEM clients without sacrificing quality?
We achieve cost savings through automated manufacturing processes using preformed machines to create helical shapes, reducing labor costs and improving efficiency. Durable materials offer greater strength and longevity, minimizing replacement needs. RaxPower ensures perfectly consistent quality through multi-stage testing and rigorous raw material selection, delivering significant cost savings while protecting client brands.
Can you handle large-volume orders and ensure on-time delivery?
Yes, we are fully equipped to manage large-volume orders efficiently. Our manufacturing processes leverage automatic machines and preformed techniques to ensure accurate sizing and uniform products. With 17,000 square meters of production workshops and a focus on automation, RaxPower can handle bulk supplies and commit to on-time delivery, making us a dependable partner for EPC contractors and large-scale projects.
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