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Glass Insulator, Suspension Insulator, Insulation manufacturer / supplier in China, offering U420b Toughened Glass Suspension Insulator, Hot DIP Galvanized Square Nut, Hot Hot DIP Galvanized Brace Bolt and so on.

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U420b Toughened Glass Suspension Insulator

FOB Price: US $5 / Piece
Min. Order: 1,000 Pieces
Min. Order FOB Price
1,000 Pieces US $5/ Piece
Get Latest Price
Production Capacity: 50, 000PCS/Month
Transport Package: Wooden Box
Payment Terms: L/C, T/T
Basic Info
  • Model NO.: U420B/205, U550B/240
  • Type: Solid
  • Material: Glass
  • Maximum Voltage: 20KV~100KV
  • Certification: ISO9001
  • Brand: Powery
  • Trademark: powery 5
  • Origin: Qingdao, China
  • Application: Insulators
  • Chemistry: Organic Insulation
  • Thermal Rating: 250 250
  • Classification: Organic Insulating Material
  • Color: White
  • H:205mm: D:360mm
  • Specification: SGS
  • HS Code: 854620909
Product Description
Toughened glass insulator which is applied to insulate and suspend cable wire used in high and ultra-high voltage. It is to increase the creepage distance.

It is consiting of cap and pin with concrete cement. We adopt the most advanced international cylinder head. It's feature is little and light head which can save matal meterial ans reduce the cost of wiring. It is not easy to aging and have self-cleaning function.
IEC standard insulators U420B/205 U550B/240
Minimum mechanical failing load 420kN 550KN
Spacing H 205mm 240mm
Diameter D 360mm 380mm
Creepage L 550mm 600mm
Ball and socket soupling 28 32
Stainless steel security clip R R
Power frequency withstand voltage for 5 pcs/1pcs 230kv/50kv 230kv/55kv
Lightning impulse withstand voltage for  5 pcs/1pcs 535kv/140kv 535kv/140kv
Power frequency puncture voltage 130kv 130kv
Rodio influence voltage(10kv, 1MHz) 50uv 50uv
Electric iron visual test of pin and cap 18kv/20kv 18kv/20kv
Impulse sepuncture voltage 2.8p.u 2.8p.u
Power frequency electric arc voltage 0.12s/20kv 0.12s/20kv
Net weight per unit 16kg 21.5kg
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Mr. Frank Xu
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