U550b Extra High Strength Glass Insulator for Uhv Transmission Lines

• Customization: Available
• Application: High-voltage
• Material: FRP/GRP
• Model NO.: U550B glass insulator
• Structure: Suspension Insulator
• Type: A Type Insulator
• Usage: High Voltage Power Transmission
• Connection Method: Spherical Type
• Size of Bearing Capacity: 550KN
• Certification: ISO9001, IEC/SGS
• Color: Green
• Brand: Nooa
• Net Weight: 21.5kg
• Zinc Sleeve: Available
• Delivery Time: 1-3 Months
• Package Size: 96PCS/Pallet
• Transport Package: Wooden Pallet
• Specification: 120*100*135
• Trademark: NOOA
• Origin: China
• HS Code: 8546100000
• Production Capacity: 10500000 PCS/Year

Product Description

The U550B is a standard-type toughened glass insulator built for ultra-high voltage (UHV) overhead transmission lines requiring extreme mechanical strength. With a rated mechanical failing load of 550 kN, this insulator ensures stability and performance for large-span and high-tension configurations in challenging environments such as deserts, mountains, and coastal areas.

Technical Specifications

Parameter	Details
Material	Toughened Glass + Galvanized Cast Iron Cap
Spacing	240mm
Diameter	380mm
Voltage Rating	Suitable for UHVAC lines up to and beyond 800 kV
Mechanical Load	550kN (Min. Breaking Load)
Creepage Distance	600mm (Standard)
Standards	IEC 60120
Lifespan	≥ 30 Years

Applications:

• Ideal for ultra-high voltage transmission systems including ±800 kV and ±1100 kV UHVAC/UHVDC projects. Frequently used in major grid interconnection projects, long-distance overhead lines, and critical infrastructure requiring maximum mechanical performance.

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  U550B Glass Insulators Stock and Availability:

  Nooa Eelctric has been specialized in manufacturing high Voltage and ultra high voltage Disc Glass insulator since 2002, Qualified Approval supplier to China State Power Grid with 16 years with 2 glass natural gas kiln production lines. The production Capacity is 3500000 pieces per year, and now setting up the new kiln and lines up to 10500000 pieces per year.

  
  Bulk Quantities: Available in large quantities to meet the demands of extensive electrical projects and maintenance schedules.

  Ready Availability: Stocked items are ready for immediate dispatch, ensuring timely delivery and minimizing project delays.
  Customization Options: Some suppliers offer customization in terms of dimensions, mechanical strength, and voltage ratings to cater to specific project requirements.
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  RFQ
  1. Who are we?
  NOOA ELECTRIC CO., LTD, is dedicated to pioneering the research of innovative high-strength functional glass manufacturing technology. The esteemed company has successfully attained ISO9001:2000 and Environmental 14000 international quality management system certifications, rigorously adhering to system standards in production and management.
  
  2. How can we guarantee quality?
  Always provide a pre-production sample prior to mass production;
  Consistently conduct final Inspection before shipment;
  Welcoming third-party inspection for utmost assurance.
  
  3.What can you buy from us?
  Electric Disc Toughened Glass Insulators ranging from 40KN to 550KN, including 70KN, 120KN, 160KN, 210KN, 240KN, 300KN, 420KN, among others.
  Standard type Glass Insulator,
  Antipollution Fog type Glass Insulator,
  Open Air type Glass Insulator,
  Ground Wires type Glass Insulator.
  
  4. Why should you buy from us not from other suppliers?
  We offer exceptional quality at a cost-effective price, saving you both time and money. Our newly established production line ensures timely delivery. In collaboration with an experienced shipping company, we guarantee timely arrival of your insulators. Our 24/7 aftersales service is available to address your inquiries with professional expertise.
  
  5. what services can we provide?
  Accepted Delivery Terms: FOB, CFR, CIF, EXW, CIP, FCA
  Accepted Payment Currency: USD, EUR, JPY, CAD, AUD, HKD, GBP, CNY;
  Accepted Payment Type: T/T, L/C, MoneyGram, PayPal, Western Union;
  Languages Spoken: English, Spanish, Russia