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FAQ within [ Low-voltage Circuit Breakers ]
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The control power supply of the earth leakage detection circuit is taken from the inside of Earth Leakage Circuit Breaker. If used on the secondary side of t... More Details >>
- No:22372
- Release Date:2018/08/31 14:33
- Category: Earth Leakage Circuit Breakers
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Storage temperature range of MCCBs and ELCBs
It is from -25 to 55℃ in Trip or OFF position. However, it shall be in an environment without condensation and freezing even in a short time. More Details >>
- No:22426
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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B-ST is possible. More Details >>
- No:24814
- Release Date:2019/04/09 15:17
- Category: Molded Case 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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Operating characteristics described in our catalog (if there is no "Note" particularly) mean operating time when it starts to carry current from the conditio... More Details >>
- No:22374
- Release Date:2018/08/31 14:33
- Category: Molded Case 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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It means that it does not interfere with tripping operation even if a handle is held at "ON" position. (It trips when an overcurrent flows even if a handle i... More Details >>
- No:22378
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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The number of trip durability by using SHT and UVT is 10% of the opening/closing number including the number of trips by overcurrent, trip button and test bu... More Details >>
- No:22407
- Release Date:2018/08/31 14:33
- Category: Accessories and Related Components
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ACB How to check the operating characteristic
Y-2005 type field test equipment (it is sold separately) enable to check the operating characteristic easily. The test is conducted by connecting the test te... More Details >>
- No:22429
- Release Date:2018/08/31 14:33
- Category: Air 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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