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cầu chì sứ YORO Fast fuse RSK 500V 660V 1000V 800A 630A 700A 800A 900A 1000A 1250A 1400A 1600A 1800A

  • Đăng ngày 23-12-2021 03:22:23 PM - 712 Lượt xem
  • Mã sản phẩm: S003812
  • cầu chì sứ YORO Fast fuse RSK 500V 660V 1000V 800A 630A 700A 800A 900A 1000A  1250A 1400A 1600A 1800A

    Tình trạng sản phẩm:


    RSK series of fast fuse for semiconductor device protection

    → Product introduction

         RSK series of semiconductor device protection fuses (hereinafter referred to as fast fuse), this series of fast fuse is suitable for AC 50HZ, rated AC voltage 250V-2000V, rated DC voltage 65V-2400V, rated current 10A-7200A circuit, suitable It is used to protect semiconductor devices in large, medium and small power rectifiers. It is also widely used in AC voltage regulation, power regulation, intermediate frequency, inverter power supply and other devices. It can equivalently replace the appearance and performance of NGT and other series specifications products. .

    This series of fast fuses are made of pure silver sheets. The variable cross-section melt is encapsulated in a fuse tube made of high-strength porcelain; the fuse tube is filled with chemically treated high-purity quartz sand as the arc extinguishing medium; the fuse can be brought Indicator or striker, when the fuse is blown, the indicator/ striker will act immediately, showing that the fuse has been blown (indicator) and pushing the micro switch (strike) to send out various signals or automatically switch the circuit. This series of fast fuse has the characteristics of large rated capacity, high breaking capacity, fast fusing speed, low power consumption, good current limiting characteristics, etc.; product cooling methods are divided into two categories: self-cooling and water-cooling. .

    This series of fuse-links complies with national standards GB13539.1, GB/T13539.4 and International Electrotechnical Commission standards IEC60269-1, IEC60269-4.

    Structure type: divided into L type (machete type), Z type (middle bus type), P 1 type (single plate type), P 2 type (double plate type), P 3 type (single large plate type) ), P 4 (single thick plate type) six kinds.

    Examples: (1) RSK-500V/800A-07AZ represents the RSK type fast fuse with a rated voltage of 500V, a rated current of 800A, and a Z-shaped structure, using a 72×72 porcelain tube.

           (2) RSK-1000V/800A-07B P4 represents the RSK type fast fuse with a rated voltage of 1000V and a rated current of 1800A, P 4 type structure, using a 74×74 porcelain tube.

     Basic parameters

         The basic parameters of the fast fuse are shown in Table 1

    →Normal working conditions
    1. The altitude of the installation site does not exceed 2000M;
    2. The upper limit of ambient air temperature does not exceed +40℃, and the lower limit does not fall below -5℃. Under such conditions, condensation due to temperature changes is not allowed of;

    3. Install in a non-explosive medium, where there is no gas
    that can corrode metal and damage insulation, and no conductive dust; 4. The product can be installed vertically, horizontally or obliquely, and there is no significant vibration and impact in the workplace;
    5. The product When the rated current of the product is greater than 1250A, and it is used for a long time above 70% of the rated current, it must be connected to a water-cooled bus or forced air-cooled;

         

     



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