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- FAQ > Low-voltage Power Distribution Products > Low-voltage Circuit Breakers
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FAQ within [ Low-voltage Circuit Breakers ]
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Only ACB fixed type is available for DC circuits. More Details >>
- No:38027
- Release Date:2021/01/22 17:38
- Category: Air Circuit Breakers
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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
- Category: Molded Case Circuit Breakers
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The time between application of voltage to the closing coil (CC) and closing of the main contact is 0.08 sec or less. More Details >>
- No:22440
- Release Date:2018/08/31 14:33
- Category: Air 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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How to install cassette type accessories
A circuit breaker shall be Trip position when installing Cassette type accessory. The breaker may be damaged if installing in "ON" or "OFF" position. Moreove... More Details >>
- No:22422
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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For Shunt Trip (SHT), it is the time from voltage application to open ACB main contact * AE3200-SW or less, AE4000-SWA: 0.04 sec or less* AE4000-SW to AE6300... More Details >>
- No:22418
- Release Date:2018/08/31 14:33
- Category: Air Circuit Breakers
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It is possible to reverse-connect if the circuit voltage of UL789 listed products is AC240V or less. Since they are double standard products of UL/CSA and CE... More Details >>
- No:22411
- Release Date:2018/08/31 14:33
- Category: Earth Leakage Circuit Breakers
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AL/AX/SHT/UVT terminal markings and wire colors
The color of terminal identification tube and lead wire is same.For one AL switch, 98/ALa terminal : red, 96/ALb terminal : blue, 95/ALc terminal : grayFor S... More Details >>
- No:22396
- Release Date:2018/08/31 14:33
- Category: Accessories and Related Components
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High inst MCCB for transformer primary side
It is a circuit breaker which has higher instantaneous tripping current value in order to prevent unwanted tripping by magnetizing inrush current of a transf... More Details >>
- No:22358
- Release Date:2018/08/31 14:33
- Category: Circuit Breakers for Use in Particular Applications
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SHT has a burning prevention switch and it does not burn even if external switch remains "ON" state (After the circuit breaker trips, a burning prevention sw... More Details >>
- No:22355
- Release Date:2018/08/31 14:33
- Category: Accessories and Related Components
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