U420b/205/360/550 Glass Insulator

• Application: High-voltage, High-temperature
• Material: Semiconductor
• Structure: Standard Type Insulator
• Model NO.: U420B/205/360/550
• Type: A Type Insulator
• Usage: High Voltage Power Transmission, Insulation, Electrical Installation
• Size of Bearing Capacity: 420KN
• Certification: ISO9001
• Transport Package: Wooden Box Packaging
• Trademark: QX
• Origin: China
• HS Code: 8546100000
• Production Capacity: 50000
• Package Size: 100.00cm * 100.00cm * 100.00cm
• Package Gross Weight: 1.000kg

Product Description

IEC designation		U420B/205
Diameter D	mm	360
Height H	mm	205
Creepage distance L	mm	550
Socket coupling	mm	28
Mechanical failing load	kn	160
Wet power frequency withstand voltage	kv	80
Dry lightning impulse withstand voltage	kv	140
Impulse puncture voltage	P.U	2.8
Power frequency puncture voltage	kv	140
Radio influence voltage	μv	50
Corona visual test	kv	18/22
Power frequency electric arc voltage	ka	0.12s/20Ka
Net weight per unit	kg	16

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.