$300.00
50 Pieces (MOQ)
Porcelain Post Insulators for Transmission Lines
DALIAN HIVOLT POWER SYSTEM CO., LTD.
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ANSI 57-2L Line Post Insulator for Transmission and Distribution
| Price | $6.30 |
|---|---|
| Min Order | 5000 Pieces |
| Availability | In Stock |
| Shipping From | Hunan, China |
| Popularity | 306 people viewed |
Model NO.:
ANSI 57-2
Application:
High-voltage, High-temperature
Material:
Porcelain
Structure:
Post Insulator
Type:
A Type Insulator
Usage:
High Voltage Power Transmission, Insulation, Electrical Installation
Connection Method:
Trough Type
Size of Bearing Capacity:
550KN
Certification:
CCC, CE, ISO9001
Color:
Grey / Brown
Brand:
Tkbl
Delivery Time:
50 Working Days
OEM:
Accepted
Warranty:
1 Year
ODM:
Accepte
Trademark:
TKBL
Transport Package:
Carton + Pallet
Specification:
ANSI
Origin:
China
HS Code:
8546209090
Product Description
ANSI 57-2L line post insulator for transmission and distribution
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.
product description
porcelain spool insulator details and parameters
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.
product description
porcelain spool insulator details and parameters
| 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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