Porcelain Post Insulator 57-3G for High Voltage

Porcelain Post Insulator 57-3G for High Voltage image

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Quick Details

Product Name:

Porcelain Post Insulator 57-3G for High Voltage

Model NO.:

57-3G

Brand:

Optelec or OEM

Color:

Brown

Certification:

CCC, CE, ISO9001

Size of Bearing Capacity:

40KN

Connection Method:

Trough Type

Usage:

High Voltage Power Transmission

Type:

Insulator

Structure:

Post Insulator

Material:

Porcelain

Application:

High-voltage

Model:

57-3G

Rated Voltage:

33kv

Tensile Strength:

12.5kn

Trademark:

JETPOWER

Transport Package:

Plywood Box

Specification:

CE, ISO9001

Origin:

China

HS Code:

85462090

Product Details

ANSI57 Series
Line Post Type Porcelain Insulator 57-3G

Technical Parameters:

ANSI Class		57-1	57-2	57-3	57-4	57-5
Creepage distance,mm		356	559	737	1015	1145
Dry arching distance		165	241	311	368	438
Cantilever Strength,Kn		12.5	2.5	12.5	12.5	12.5
Lower Frequency Flashover Voltage	Dry,kv	80	110	125	150	175
Lower Frequency Flashover Voltage	Wet,kv	60	85	100	125	150
Critical Impulse Flashover Voltage	Pos.,kv	130	180	210	255	290
Critical Impulse Flashover Voltage	Neg.,kv	155	205	260	340	380
RIV Data	Test volt. To ground,kv	15	22	30	44	44
RIV Data	Max RIV at 1000 KHz,Uv	100	100	200	200	200

Type No. :ANSI57 series
Name: Line post type porcelain insulator
Color:Brown,grey gloze etc

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