Gold Member Since 2012
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Wenzhou Shuguang Fuse Co., Ltd.

Post Insulator, Insulators, Porcelain Insulator manufacturer / supplier in China, offering Line Post Porcelain Insulators (ANSI 57-3), Screw Type Low Voltage Bottle Fuse 63A Gl, Siba Types Medium Voltage Fusing Fuse (XRNT) and so on.

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Supplier Homepage Product porcelain insulator Line Post Porcelain Insulators (ANSI 57-3)

Line Post Porcelain Insulators (ANSI 57-3)

FOB Price: US $7-10 / Piece
Min. Order: 50 Pieces
Min. Order FOB Price
50 Pieces US $7-10/ Piece
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Port: Ningbo, China
Production Capacity: 500pieces/Week
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: 57-3
  • Material: Porcelain
  • Type: A Type Insulator
  • Connection Method: Other
  • Certification: ANSI
  • Net Weight: 13kg/PCS
  • Sample: Available
  • Trademark: SR
  • Specification: 57-3
  • HS Code: 8535100000
  • Application: High-voltage
  • Structure: Post Insulator
  • Usage: High Voltage Power Transmission
  • Size of Bearing Capacity: 12.5kn
  • Color: Brown
  • Creepage Distance: 737mm
  • Service: OEM, ODM
  • Transport Package: Wooden Box
  • Origin: China
Product Description
Line post porcelain insulator (ANSI 57-3):

Creepage Distance: 737mm

Dry Arcing Distance: 311mm

Cantilever Failing Load: 12.5KN

Low Frequency Flashover Voltage(Dry): 125KV

Low Frequency Flashover Voltage(Wet): 100KV

Critical Impulse Flashover Voltage (Positive): 210KV

Critical Impulse Flashover Voltage (Negative): 260KV

Test Voltage To Earth: 30KV

B. Max RIV At 1000kHz: 200KV
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