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Home > Standard Type > Wholesale U210B (170/280/400) Glass Insulator Manufacturers, Supplier
Wholesale U210B (170/280/400) Glass Insulator Manufacturers, Supplier
Wholesale U210B (170/280/400) Glass Insulator Manufacturers, Supplier
Wholesale U210B (170/280/400) Glass Insulator Manufacturers, Supplier
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Wholesale U210B (170/280/400) Glass Insulator Manufacturers, Supplier
Wholesale U210B (170/280/400) Glass Insulator Manufacturers, Supplier
Wholesale U210B (170/280/400) Glass Insulator Manufacturers, Supplier

Wholesale U210B (170/280/400) Glass Insulator Manufacturers, Supplier

U210B Disc Suspension Toughened Glass Insulator

  • Widely used in high-voltage transmission lines (10kV to 1000kV) on tangent or tension towers for suspending or straining conductors.
  • Used in power plants and substations for equipment insulation.

U210B disc glass insulator -16.jpg

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Product Description

Product Information

IEC Standard: U210B
U
Disc Suspension Insulator
210
Mechanical failing load of 210kN
B
Ball And Socket Type
Disc Suspension Insulator Structural Components

Dimensional Data

Spacing (S) 170mm
Diameter (D) 280mm
Creepage distance (L) 400mm
Socket coupling 20mm

Mechanical Values

Mechanical failing load 210kN
Mechanical residual strength 168kN

Electrical Values

Dry power frequency withstand voltage 75kV
Wet power frequency withstand voltage 45kV
Dry lightning impulse withstand voltage 110kV
Power frequency puncture voltage 130kV

Radio-influence Voltage

RIV test voltage rms to ground
Maximum RIV at 1000 kHz:		 10 kV
50 μV
Corona visual test P/C 18/22 KV
Power frequency electric arc voltage 0.12s/20kA

Packing Information

Net weight 7.2kg
Carton Quantity: 3pcs
Insulator Packing Details - 3pcs per Crate View 1

3pcs/Crate

Insulator Packing Details - 3pcs per Crate View 2

3pcs/Crate

Insulator Packing Details - 3pcs per Crate View 3

3pcs/Crate

Industry Standard(s)

Manufactured accordance with IEC60383-1:2023, MOD / GB/T1001.1
Industry standard testing certification chart

Frequently Asked Questions (FAQ)

What does the standard designation U210B represent?
The designation follows the IEC standard: "U" stands for Disc Suspension Insulator, "210" specifies a mechanical failing load of 210kN, and "B" denotes a Ball and Socket type connection.
What are the primary dimensions of this disc suspension insulator?
The physical dimensions include a spacing (S) of 170mm, a shell diameter (D) of 280mm, a creepage distance (L) of 400mm, and a standard socket coupling size of 20mm.
What are the electrical withstand voltages of the U210B?
The insulator provides a dry power frequency withstand voltage of 75kV, a wet power frequency withstand voltage of 45kV, a dry lightning impulse withstand voltage of 110kV, and a power frequency puncture voltage of 130kV.
What is the mechanical strength rating of this insulator?
The U210B insulator is designed with a rated mechanical failing load of 210kN and holds a mechanical residual strength of 168kN.
Under what manufacturing standards is this product built?
This suspension insulator is manufactured in strict accordance with standard IEC60383-1:2023 (MOD) and national standard GB/T1001.1.
How is the U210B insulator packaged and shipped?
Each unit has a net weight of approximately 7.2kg. They are typically packaged and shipped with 3 pieces per crate/carton for safety and convenience.

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