IEC Standard Electrical and Pin Disc Toughened Suspension Polymer Porcelain Ceramic Tension Composite Glass Insulator for Lightning Protection U70BS

• Application: High-voltage, High-temperature
• Material: Semiconductor
• Structure: Antifouling Insulator
• Model NO.: U70BS/127/255/320
• Type: A Type Insulator
• Usage: High Voltage Power Transmission, Insulation, Electrical Installation
• Connection Method: Trough Type
• Size of Bearing Capacity: 70KN
• Certification: CE, ISO9001
• Color: Green
• Brand: Qx
• Unit Spacing(H): 127mm
• Nominal Diameter(D): 255mm
• Creepage Distance: 320mm
• Transport Package: Wooden Package
• Specification: 3.5kg
• Trademark: QX
• Origin: China
• HS Code: 8546100000
• Production Capacity: 6000000
• Package Size: 100.00cm * 100.00cm * 100.00cm
• Package Gross Weight: 1.000kg

Product Description

Product Description

Diameter: 255mm | Height: 127mm | Creepage distance:320mm

U70BL is a glass insulator used for high-voltage transmission lines
Material: Tempered glass
Rated mechanical load: 70kN (approximately 7 tons)
Rated voltage: usually used for voltage levels of 35kV and above
Structure: Suspended structure, composed of iron cap, tempered glass umbrella plate, and steel feet

IEC designation		U70BS/127	U70BL/146
Mechanical failing load	kn	70	70
Diameter D	mm	255	255
Height H	mm	127	146
Creepage distance L	mm	320	320
Socket coupling	mm	16	16
Mechanical routine test	kn	35	35
Wet power frequency withstand voltage	kv	40	40
Dry lightning impulse withstand voltage	kv	100	100
Power frequency puncture voltage	kv	130	130
Radio interference voltage(10kV 1MHz)	μv	50	50
Corona visual test	kv	18/22	18/22
Power frequency electric arc voltage	ka	0.12s/20kA	0.12s/20kA
Impulse puncture voltage	P.U	2.8	2.8
Net weight per unit	kg	3.5	3.6

Company Profile

Jiangxi QOCI Electric Co.,Ltd.has been specialized in research and development of latest high-strength functional glass and power transmission insulators,which is the qualified supplier for State Grid Corporation of China and Southern State Grid Corporation of China,and is a participating unit of product standard formulation of the National Insulator Standard Committee.The main products type are :standard-type insulator,antipollution-type insulator,aerodynamic type insulator,multi-umbrella type insulator,ground-wires type insulator,post insulator for line,pin insulator.Products are mainly used for transmission line insulation, suspension, support, tension conductors.Our products are divided into 5 major series: the standard type 40-550kN,filth-resistant type 70-420kN,aerodynamic type 120-300kN,multi-umbrella type 120-300kN,and ground circuit type,able to be used for line voltage from 10kV~1000kV.

Why choose us?

1.Source factory, self-produced and self sold, low price.

2.More than ten years of operation, quality assurance.