U420b High Load Standard Glass Insulator for Overhead Transmission Lines

• Customization: Available
• Application: High-voltage
• Material: FRP/GRP
• Model NO.: U420B
• Structure: Suspension Insulator
• Type: A Type Insulator
• Usage: High Voltage Power Transmission
• Connection Method: Spherical Type
• Size of Bearing Capacity: 420KN
• Certification: ISO9001, IEC/SGS
• Color: Green
• Brand: Nooa
• Net Weight: 10.6
• 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 U420B standard-type toughened glass insulator is designed for high-voltage overhead transmission systems requiring high mechanical strength. With a rated mechanical failing load of 420 kN, it is suitable for heavy-duty suspension or tension applications, including long-span lines and mountainous terrains.

Technical Specifications

Parameter	Details
Material	Toughened Glass + Galvanized Cast Iron Cap
Spacing	205mm
Diameter	360mm
Voltage Rating	Typically used for 330 kV, 500 kV, and above
Mechanical Load	420kN (Min. Breaking Load)
Creepage Distance	550mm (Standard)
Standards	IEC 60120
Lifespan	≥ 30 Years

Applications:

• Used in high-voltage overhead transmission lines, particularly in 500 kV and ultra-high voltage (UHV) systems. Ideal for large-span, cross-river, mountainous, or high-wind environments.

•  

  U420B 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.

  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