Model NO.:

u70b

Application:

High-voltage

Material:

Glass

Structure:

Suspension Insulator

Type:

A Type Insulator

Usage:

High Voltage Power Transmission, Insulation, Electrical Installation

Size of Bearing Capacity:

70KN

Certification:

ISO9001, IEC

Color:

Green

Brand:

Johnson

Net Weight:

3.5kg

Diameter:

255mm

Height:

127mm

Creepage Distance (L):

320mm

Mechanical Failing Load:

70kn

Trademark:

Customer Specified

Transport Package:

Standard Shipping Package

Specification:

900*1100*1100

Origin:

China

HS Code:

8546100000

Product Description

Type		Ball and socket type			Tongue-ball
IEC-standard		U70BS	U70BL		U70C
Factory-standard				PS70I
Standard coupling, d	mm	16A	16A	16A	16C
Mechanical failing load	kN	70	70	70	70
Mechanical routine test	kN	56	56	56	56
Diameter of the insulating part, D	mm	255	255	255	255
Nominal Spacing, H	mm	127	146	146	146
Nominal creepage distance	mm	320	320	407	320
Power frequency puncture voltage	kV	130	130	130	130
power frequency withstand voltage - dry	kV	70	70	72	70
power frequency withstand voltage - wet	kV	40	40	42	40
Impulse puncture voltage	P.U	2.8	2.8	2.8	2.8
Radio influence voltage 10kV 1MHz	μv	50	50	50	50
Corona visual test	kV	18/22	18/22	18/22	18/22
Power frequency electric arc voltage	ka	0.12s/20kA	0.12s/20kA	0.12s/20kA	0.12s/20kA
Weight	kg	3.5	3.6	4.3	3.8

CTV254 Glass Insulator