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FAQ within [ Low-voltage Circuit Breakers ]
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The circuit breaker is designed to attain a predetermined value of limiting non-actuating time corresponding to a given value of residual current. Our time-d... More Details >>
- No:22351
- Release Date:2018/08/31 14:33
- Category: Earth Leakage Circuit Breakers
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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
- Category: Molded Case Circuit Breakers
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It is a protection method which only trips the related circuit breaker and other fault-free circuit does not trip and continues power supply in the event of... More Details >>
- No:22366
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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Pre-Alarm is a function which outputs an alarm if the load current exceeds setting current value. This is useful for securing continuous power supply and pre... More Details >>
- No:22376
- Release Date:2018/08/31 14:33
- Category: Accessories and Related Components
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It is an instantaneous tripping circuit breaker which does not have overcurrent tripping characteristic for standard circuit breaker and only protects agains... More Details >>
- No:22383
- Release Date:2018/08/31 14:33
- Category: Circuit Breakers for Use in Particular Applications
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It is the Earth Leakage Circuit Breaker with rated residual operating current of 30mA or less. More Details >>
- No:22390
- Release Date:2018/08/31 14:33
- Category: Earth Leakage Circuit Breakers
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3P MCCB in 1-phase 2-wire circuit
It is possible. Refer to the figure for connection as below. More Details >>
- No:24811
- Release Date:2019/04/09 15:18
- Category: Molded Case Circuit Breakers
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MCCB stands for "Molded Case Circuit Breaker." This is defined in the IEC standard, IEC 60947-2 and in the UL standard, UL 489. MCB stands for "Miniature Ci... More Details >>
- No:22340
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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Earth leakage protective coordination
Since the total electric circuit length of upstream circuit breaker side is longer than that of downstream circuit breaker, constant earth leakage current b... More Details >>
- No:22369
- Release Date:2018/08/31 14:33
- Category: Earth Leakage Circuit Breakers
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Rated current and continuous current
The rated current is standard value for continuous current, short time delay current and instantaneous current. Continuous current is non-breaking current (c... More Details >>
- No:22371
- Release Date:2018/08/31 14:33
- Category: Air Circuit Breakers
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