Model NO.:

U40B

Application:

High-voltage

Material:

Porcelain

Structure:

Suspension Insulator

Type:

A Type Insulator

Usage:

High Voltage Power Transmission, Insulation, Electrical Installation

Size of Bearing Capacity:

40KN

Certification:

ISO9001, IEC

Color:

Grey , Brown or White

Creepage Distance:

190mm

Combined M&E Strength:

40kn

Net Weight:

2.8kg

Trademark:

JOHNSON

Transport Package:

1000*1000*1000mm

Origin:

China

HS Code:

8546209090

Product Description

Ball and socket type suspension porcelain insulators( IEC Class )
Type		XP-40	XP-40C	XP-70	XP-70C	XP-80	XP-100
IEC Class		U40B	U40C	U70BL	U70C	U80BL	U100BL
Coupling size		16	16C	16	16C	16	16
Dimensions
Diameter(D)	mm	190	190	255	255	255	255
Spacing(H)	mm	140	140	146	146	146	146
Leakage distance	mm	200	200	320	320	320	320
Mechanical Values
Combined M&E strength	kn	40	40	70	70	80	100
Impact strength	N.m	5	5	6	6	7	7
Routine proof test load	kn	20	20	35	35	40	50
Electrical Values
power frequency dry withstand voltage	kv	55	55	70	70	70	70
power frequency wet withstand voltage	kv	30	30	40	40	40	40
Dry lightning impulse withstand voltage	kv	75	75	100	100	100	100
Power frequency puncture voltage	kv	90	90	110	110	110	110
Radio influence Voltage Data
Test voltage RMS to ground	kv	7.5	7.5	10	10	10	10
Maximum RIV at 1000kHz	μv	50	50	50	50	50	50
Packing and Shipping Data
Net weight,approximate	kg	2.8	2.9	4.7	4.8	5.0	5.3

U40C(Clevis type) VS U40B(Ball and socket type)

Good Quality 40kn U40b Disc Suspension Porcelain Insulator