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FAQ within [ Low-voltage Circuit Breakers ]
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High-speed residual operate CBR
It is Earth Leakage Circuit Breaker that the earth leakage trip operating time at the rated residual operating current (IΔn) is within 0.1 sec, and the earth... More Details >>
- No:22380
- 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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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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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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4-pole type in 100VAC or 110VAC
The rated operational voltages for them are 200 to 440VAC. If using them in 100VAC or 110VAC circuit, earth-leakage protection does not operate. More Details >>
- No:24820
- Release Date:2019/04/09 15:10
- 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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It is the number that can be opened/closed per hour under the conditions specified in the standard. More Details >>
- No:22436
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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"b contact" is normally closed contact, and It is also called "NC (Normally Closed) contact". More Details >>
- No:22435
- 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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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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