Porcelain Disc Insulator with Ball and Socket

Porcelain Disc Insulator with Ball and Socket image

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Basic Info.

Model NO.

52-3

Type

A Type Insulator

Usage

High Voltage Power Transmission, Insulation, Electrical Installation

Size of Bearing Capacity

70KN

Certification

ISO9001, IEC

Color

Grey , Brown or White

Creepage Distance

320mm

Combined M&E Strength

67kn

Net Weight

4.7kg

Transport Package

1000*1000*1000mm

Trademark

JOHNSON

Origin

China

HS Code

854620

Production Capacity

100000

Packaging & Delivery

Package size per unit product

100.00cm * 100.00cm * 100.00cm

Gross weight per unit product

1.000kg

Product Description

Ball and socket type suspension porcelain insulators( ANSI Class )
ANSI Class		52-3	52-5	52-8	52-11
Coupling size		Type B	Type J	Type K	Type K
Dimensions
Diameter(D)	mm	254	254	254	280
Spacing(H)	mm	146	146	146	155
Creepage distance	mm	320	320	320	380
Dry arcing distance	mm	197	197	197	216
Mechanical Values
Combined M&E strength	kN	67	111	178	222
Dry arcing distance	mm	197	197	197	216
Impact strength	nm	6.2	10	11.3	11.3
Routine proof test load	kN	33.3	55.5	89	111
Time load test value	kN	44.5	67	107	134
Maximum working load	kN	33.3	55.5	89	111
Electrical Values
Low frequency dry flashover voltage	kV	80	80	80	80
Low frequency wet flashover voltage	kV	50	50	50	50
Critical impulse flashover voltage,positive	kV	125	125	125	125
Critical impulse flashover voltage,negative	kV	130	130	130	130
low frequency puncture voltage	kV	110	110	110	110
Radio influence Voltage Data
Test voltage RMS to ground	kV	10	10	10	10
Maximum RIV at 1000kHz	μv	50	50	50	50
Packing and Shipping Data
Net weight,approximate	kg	4.7	5.2	7.8	9.7

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