[email protected]
Home > Standard Type > Wholesale U550B High Voltage Superior Quality Disc Suspension Toughened Glass Insulator Supplier, Suppliers
Wholesale U550B High Voltage Superior Quality Disc Suspension Toughened Glass Insulator Supplier, Suppliers
Wholesale U550B High Voltage Superior Quality Disc Suspension Toughened Glass Insulator Supplier, Suppliers
Wholesale U550B High Voltage Superior Quality Disc Suspension Toughened Glass Insulator Supplier, Suppliers
Wholesale U550B High Voltage Superior Quality Disc Suspension Toughened Glass Insulator Supplier, Suppliers
Wholesale U550B High Voltage Superior Quality Disc Suspension Toughened Glass Insulator Supplier, Suppliers
1 / 5
Wholesale U550B High Voltage Superior Quality Disc Suspension Toughened Glass Insulator Supplier, Suppliers
Wholesale U550B High Voltage Superior Quality Disc Suspension Toughened Glass Insulator Supplier, Suppliers
Wholesale U550B High Voltage Superior Quality Disc Suspension Toughened Glass Insulator Supplier, Suppliers
Wholesale U550B High Voltage Superior Quality Disc Suspension Toughened Glass Insulator Supplier, Suppliers
Wholesale U550B High Voltage Superior Quality Disc Suspension Toughened Glass Insulator Supplier, Suppliers

Wholesale U550B High Voltage Superior Quality Disc Suspension Toughened Glass Insulator Supplier, Suppliers

QOCI Electric - High Quality U550B 550KN Toughened Suspension Glass Insulator for Power Supply.

High Voltage Disc Suspension Glass Insulator Electric Insulator Price Glass Pin Insulator.

Send Inquiry

Product Description

Product Information

U550 Glass Insulator Structure
Model Identification (U550B)
  • U - Refers to Disc Suspension Insulator
  • 550 - Indicates a rated mechanical failing load of 550kN
  • B - For Ball and Socket Type
Key Structural Parameters
  • 240 - Height of the insulator structure is 240mm
  • 380 - Diameter of the insulator disc is 380mm
  • 600 - Creepage distance of the insulator is 600mm
Performance & Operation
  • Type: Standard profile Toughened Suspension Type
  • Rated mechanical load: 550kN (approximately 55 tons)
  • Purpose: Widely applicable as insulation support for medium and high voltage transmission lines and substation equipment, capable of stable operation under various climatic conditions.
Standards & Compliance
  • The product model is in accordance with IEC60383-1:1993 MOD / GB/T1001.1
  • The connection structure is in accordance with GB/T4056-2008 (IEC60120:1984, MOD) and BS 3288 part III.
  • According to customer requirements, the locking pin can be either W-pin or R-pin.
📢 If there is no special instruction, R pin is used for U550B.

Product Drawing

U550B Glass Insulator Mechanical Drawing

Product Parameters

IEC Designation U550B/240
Mechanical failing load kN 550
Diameter D mm 380
Height H mm 240
Creepage distance L mm 600
Socket coupling mm 32
Wet power frequency withstand voltage kV 55
Dry lightning impulse withstand voltage kV 140
Power frequency puncture voltage kV 140
Radio interference voltage (10kV 1MHz) μV 50
Corona visual test kV 18/22
Power frequency electric arc voltage kA 0.12s/20kA
Impulse puncture voltage P.U 2.8
Net weight per unit kg 21.5

Product Display

U550B Glass Insulator Front View
U550B Glass Insulator Detail View

Frequently Asked Questions

What does the model U550B represent?
"U" stands for Disc Suspension Insulator, "550" represents the rated mechanical failing load of 550kN, and "B" denotes the Ball and Socket type structure.
What are the dimensions and creepage distance of the U550B/240 insulator?
The U550B/240 insulator has a structure height (H) of 240mm, a disc diameter (D) of 380mm, and a total creepage distance (L) of 600mm.
Which standards do these glass insulators comply with?
The product matches IEC60383-1:1993 MOD / GB/T1001.1 standards, and the connection structure is compatible with GB/T4056-2008 (IEC60120:1984, MOD) and BS 3288 part III.
What type of locking pin is used for the U550B glass insulator?
Depending on requirements, either a W-pin or R-pin can be used. By default, the U550B model is supplied with an R-pin unless specified otherwise.
Where is the U550B glass insulator typically applied?
It is primarily designed as reliable insulation support for medium and high voltage transmission lines and substations, performing consistently across various environments and climates.
What is the mechanical capacity of this glass insulator?
The rated mechanical failing load of the U550B is 550kN, which offers structural support capability equivalent to approximately 55 tons.

Related Products

China 70kn High Voltage Glass Insulator CTV 254 Isolator En Verre U70BL Supplier, Factory

China 70kn High Voltage Glass Insulator CTV 254 Isolator En Verre U70BL Supplier, Factory
High-Quality High Voltage Suspension Insulator U160BL Toughed Glass Insulator for Transmission Line Manufacturers, Factory

High-Quality High Voltage Suspension Insulator U160BL Toughed Glass Insulator for Transmission Line Manufacturers, Factory
China U40B Glass Insulator CTV175 for HVDC Overhead Transmission Line Manufacturer, Factory

China U40B Glass Insulator CTV175 for HVDC Overhead Transmission Line Manufacturer, Factory
High-Quality U100BS 100kN Standard Type Toughened Glass Insulator Manufacturers, Suppliers

High-Quality U100BS 100kN Standard Type Toughened Glass Insulator Manufacturers, Suppliers
Wholesale PS-70E Toughened Suspension Glass Insulator Supplier, Factories

Wholesale PS-70E Toughened Suspension Glass Insulator Supplier, Factories
High-Quality U70BL/255/146/320 IEC Standard profile 70kn suspension Tempered glass Insulator CTV254 Manufacturers, Suppliers

High-Quality U70BL/255/146/320 IEC Standard profile 70kn suspension Tempered glass Insulator CTV254 Manufacturers, Suppliers
Wholesale U70BS/255/127/320 IEC Standard profile 70kn suspension Tempered glass Insulator CTV254 Manufacturer, Factory

Wholesale U70BS/255/127/320 IEC Standard profile 70kn suspension Tempered glass Insulator CTV254 Manufacturer, Factory
Wholesale U40BL/175/127/190 IEC Standard profile 40kn suspension Tempered glass Insulator CTV 175 Isolator En Verre U40b Manufacturer, Supplier

Wholesale U40BL/175/127/190 IEC Standard profile 40kn suspension Tempered glass Insulator CTV 175 Isolator En Verre U40b Manufacturer, Supplier
High-Quality Good Quality High Voltage 100kN Disc Suspension Toughened Glass Insulator U100BS Manufacturers, Factory

High-Quality Good Quality High Voltage 100kN Disc Suspension Toughened Glass Insulator U100BS Manufacturers, Factory
High-Quality 100KN U100BL Suspension Glass insulators Ball and socket type Manufacturer, Supplier

High-Quality 100KN U100BL Suspension Glass insulators Ball and socket type Manufacturer, Supplier