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Double and triple umbrella type glass insulators for AC system
Applicable to power transmission and distribution lines;
- Commodity name： Double and triple umbrella type glass insulators for AC system
- Product Description
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Purpose: suitable for transmission and distribution lines;
● Advantages: The surface of the glass insulator has high mechanical strength, the surface is not easy to crack, the aging speed is slow, there is no need to measure the insulation resistance during operation, and the operation and maintenance cost is low;
Applicable standards: IEC, GB, BS, ANSI, AS or customer requirements;
Technical parameters
ModelNominal diameter (mm) Structure height (mm) Nominal creepage distance (mm) Connection mark (mm) Rated mechanical breaking load (kN) One-minute power frequency dry withstand voltage (kV) Power frequency wet withstand voltage single chip/5-chip string (kV) Lightning impulse withstand voltage single chip/5-chip string (kV) Minimum power frequency breakdown withstand voltage (kV) Single insulator weight (kg) U70BP/146D 280 146 450 16 70 80 45/200 120/450 130 5.5 U100BP/146D 280 146 450 16 100 80 45/200 120/450 130 5.5 U120BP/146D 280 146 450 16 120 80 45/200 120/450 130 5.5 U160BP/155D 300 155 450 20 160 85 45/200 130/500 130 8.5 U210BP/170D 300 170 450 20 210 85 45/200 130/500 130 9 U240BP/170D 300 170 450 24 240 85 45/200 130/500 130 9.4 U300BP/195D 330 195 485 24 300 90 50/200 130/520 130 12 U70BP/146T 300 155 550 16 70 80 45/200 120/500 130 8.9 U100BP/146T 300 155 550 16 100 80 45/200 120/500 130 8.9 U120BP/146T 300 155 550 16 120 80 45/200 120/500 130 8.9 U160BP/155T 320 155 550 20 160 85 50/200 130/500 130 10 U210BP/170T 320 170 550 20 210 85 50/200 130/500 130 10 U240BP/170T 320 170 550 24 240 85 50/200 130/500 130 10.4 U300BP/195T 380 195 635 24 300 100 60/240 150/550 130 16 U420BP/205T 400 205 650 28 420 100 60/240 150/550 130 18 U550BP/240T 400 240 650 32 550 100 60/240 150/550 130 21.7 Order Information:
① Voltage level; ② Rated mechanical load; ③ Creepage distance; ④ Power frequency withstand voltage; ⑤ Lightning full-wave impulse withstand voltage; ⑥ Insulation distance; ⑦ Connection mode
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