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FAQ within [ Molded Case Circuit Breakers ]

31-40 of Total 49

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  • Switch disconnector

    Switch disconnector is a switch compatible with IEC 60947-3 standard, and it has no overcurrent tripping element. Please use it as a switch with large switch... More Details >>

    • No：22379
    • Release Date：2018/08/31 14:33

  • LTD operating characteristic

    It is overcurrent tripping characteristic zone which exceeds the rated current and does not exceed short time tripping zone (If without short time tripping ,... More Details >>

    • No：22384
    • Release Date：2018/08/31 14:33

  • Rated insulation voltage

    It is voltage which ensures withstand voltage and it is used as basis to determine insulation distance. More Details >>

    • No：22362
    • Release Date：2018/08/31 14:33

  • Inst tripping current value of AC/DC common breaker

    At time-delay tripping zone, it operates with bimetal, therefore the characteristics of AC and DC should be same if the effective values of them are same. Ho... More Details >>

    • No：22392
    • Release Date：2018/08/31 14:33

  • Side by side installation

    It is possible to attach closely if there is no problem about the insulation distance between live parts such as a terminal bar and load currents are 80% or ... More Details >>

    • No：22400
    • Release Date：2018/08/31 14:33

  • degrees of protection to　 IEC60529

    The degess of protection for ACB is IP20 as standard (under the condition that front door is closed). For MCCB and ELCB, the degrees of protection can be IP2... More Details >>

    • No：24812
    • Release Date：2019/04/09 15:18

  • Instantaneous tripping

    It is a tripping zone which instantly trips, when significantly overcurrent such as short-circuit currents flow. More Details >>

    • No：22363
    • Release Date：2018/08/31 14:33

  • Use in 40℃～60℃

    Operating ambient temperature is set to - 10℃ to 40℃. ( However, its average over a period of 24h does not exceed 35℃.) In the case that the ambient temperat... More Details >>

    • No：22370
    • Release Date：2018/08/31 14:33

  • Short circuit current calculation software

    You can calculate that with MELSHORT 2 (Free of charge). More Details >>

    • No：22394
    • Release Date：2018/08/31 14:33

  • Inverse time delay operating characteristic

    It is a characteristic that operating time inversely become shorter as current increases. For Molded Case Circuit Breakers, protection characteristic meeting... More Details >>

    • No：22387
    • Release Date：2018/08/31 14:33

31-40 of Total 49

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