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Standard glass insulators for AC systems

Applicable to power transmission and distribution lines;

  • Commodity name： Standard glass insulators for AC systems

Classification:

Porcelain and glass insulator series

Technical Support:

15233276699

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  • Product Description

  • 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

    Model
    		 Nominal 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)
    U70B/146 255 146 320 16 70 70 40/180 100/420 130 3.6
    U100B/146 255 146 320 16 100 70 40/180 100/420 130 3.6
    U120B/146 255 146 320 16 120 70 40/180 100/420 130 3.6
    U160B/155 280 155 400 20 160 75 45/200 110/500 130 6.5
    U210B/170 280 170 400 20 210 75 45/200 110/500 130 7
    U240B/170 280 170 400 24 240 75 45/200 110/500 130 7.2
    U300B/195 320 195 485 24 300 85 50/200 130/500 130 9.7
    U300B2/195 330 195 550 24 300 90 55/200 140/550 130 10.8
    U420B/205 360 205 550 28 420 90 55/200 140/550 130 13
    U550B/240 360 240 635 32 550 95 55/200 150/650 130 17.5
    U760B/280 400 280 710 36 760 100 60/260 150/720 130 26.3
    U840B/300 400 300 710 40 840 100 60/260 150/720 130 27
    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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