ANSI 57 Series Porcelain / Ceramic Insulator for High Voltage Transmission Line

China 
                        ANSI 57 Series Porcelain / Ceramic Insulator for High Voltage Transmission Line
                      manufacture and supplier

ANSI 57 Series Porcelain / Ceramic Insulator for High Voltage Transmission Line image

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Quick Details

ANSI 57 Series Porcelain / Ceramic Insulator for High Voltage Transmission Line

Porcelain line post insulator

Pk

Brown / Grey

ISO9001

Customer Specified

Trough Type

High Voltage Power Transmission, Insulation, Electrical Installation

Pin Type

Pin Insulator

Porcelain

High-voltage

25-40 Working Days

Accept

1 Year

PK

Carton + Pallet

ANSI

Liling China

8546209090

Product Details

ANSI 57 Product Description

Specifications
 1. original insulator producer 
 2. superior properties of low and medium temperature resistance;
 3. strong aging resistance;
 4. nice appearance & long service time.
 5. comman glaze and semi-conductor glaze, color brown and gray both available.
 6. free sample, professional porcelain insulator supplier.

 

ANSI CLASS With long stud 57-1L 57-2L 57-3L 57-4L 57-5L
With short stud 57-1S 57-2S 57-3S 57-4S 57-5S
Fig. No. 1 2 3 4 5
Creepage Distance (mm) 356 559 737 1016 1143
Dry Arcing Distance (mm) 165 241 311 368 430
Cantilever Strength(kN) 12.5 12.5 12.5 12.5 12.5
Power Frequency
Flashover Voltage
Dry /kV 70 100 125 140 160
Wet/kV 50 70 95 110 130
Critical Impulse 
Flashover Voltage
Positive/kV 120 160 200 230 265
Negative/kV 155 205 260 340 380
Radio
Influence voltage
Test Voltage to ground/kV 15 22 30 44 44
Maximum RIV at 1MHz/uV 100 100 200 200 200

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