Low Voltage Porcelain Power Line Post Insulator 57 – 2 33KV

 China Low Voltage Porcelain Power Line Post Insulator 57 – 2 33KV supplier

Low Voltage Porcelain Power Line Post Insulator 57 – 2 33KV image

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Brand Name :
Suntech

Model Number :
Power Line Post Insulator

Certification :
ISO

Place of Origin :
Ningbo,China

MOQ :
1 PCS

Price :
Get the newest price

Payment Terms :
L/C, T/T, Western Union

Supply Ability :
1,000,000pcs per year

Delivery Time :
20-25 days after deposit

Packaging Details :
Pallets and Cartons

Material :
Porcelain

Model :
57-2

Rated Voltage :
33KV

Application :
LOW VOLTAGE

Spindle :
M20 or M16

Tensile Strength :
12.5KN

Transmission Line Electrical 57-2 Power Line Post Insulator

Porcelain insulators typically contain high concentrations of some minerals such as alumina or clay. The combination of porcelain with other minerals allows electricity to pass through without reacting with nearby electrical conductors. This not only ensures greater safety, but also allows electricity to pass through without losing any of its power charge. Since porcelain does not conduct electricity, especially when combined with other non-conductive materials, it is the ideal material for insulators.

Porcelain insulators have a wide field of application: contactors, disconnectors, transformers equipment, capacitors, grommets also with end surface, atypical insulators (filters). Characteristics of high plasticity during production, precision grinding possibilities, as well as carburizing and bonding with excellent mechanical properties allow a wide range of shapes to be created and used for any type of application.

  • Railways: Thousands of insulators placed on high-speed and conventional lines around the world.
  • Substations and Distribution: Support insulators with high mechanical loads and voltages up to 500kV (BIL 95 up to 1675kV)
  • Wall bushings up to 72kV and 3150A.
  • Transformers: Porcelain bushings and insulators
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

12.5

12.5

12.5

12.5

Lower Frequency
Flashover Voltage
Dry,kv
80

110

125

150

175

Wet,kv
60

85

100

125

150

Critical Impulse
Flashover Voltage
Pos.,kv
130

180

210

255

290

Neg.,kv
155

205

260

340

380

RIV Data
Test volt. To ground,kv
15

22

30

44

44

Max RIV at 1000 KHz,Uv
100

100

200

200

200

We are China Low Voltage Porcelain Power Line Post Insulator 57 – 2 33KV manufacture and supplier,You can get more details with Email,you will get cheap price or factory price.

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