Fixed Competitive Price Low Tension Glass Insulator - High Voltage 40kn Disc Suspension Toughened Glass Insulator U40B White Transparent – Johnson

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Fixed Competitive Price Low Tension Glass Insulator - High Voltage 40kn Disc Suspension Toughened Glass Insulator U40B White Transparent – Johnson Detail:

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High Voltage 40kn Disc Suspension Toughened Glass Insulator U40B White Transparent (9)

Product Technical Parameters

IEC designation		U40B/110
Diameter D	mm	178
Height H	mm	110
Creepage distance L	mm	185
Socket coupling	mm	11
Mechanical failing load	kn	40
Mechanical routine test	kn	20
Wet power frequency withstand voltage	kv	25
Dry lightning impulse withstand voltage	kv	50
Impulse puncture voltage	P.U	2.8
Power frequency puncture voltage	kv	90
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	2.1

Product Description

Disc glass insulator is composed of iron cap (malleable cast iron), steel foot (low carbon steel) and porcelain parts (or tempered glass). The fittings and insulating parts shall be glued with cement. Disc suspension insulator can easily form insulator string. When forming an insulator string, the ball joint of the steel foot is inserted into the ball socket of the iron cap to become a ball twisted soft connection, so that the insulator string can only bear tensile force without bending moment and torque. The disc suspension insulator has simple structure and various geometric shapes, which can meet the application requirements of different regions. After being connected in series, it can be used on transmission lines with any voltage level. It is the most widely used insulator on high-voltage lines. The higher the grade of transmission line, the higher the requirement for tensile strength of insulator. The product model of disc suspension insulator does not contain voltage grade, but only mechanical strength. For example, XP-40 indicates disc suspension insulator, and the electromechanical failure load is 40kN.

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