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FAQ within [ Low-voltage Circuit Breakers ]
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Time Delay type at the maximum operating time
The maximum operating time of Time-delay type Earth Leakage Circuit Breaker can be switched to 0.45s, 1.0s and 2.0s. The operating time is:* when it is 0.45s... More Details >>
- No:22375
- Release Date:2018/08/31 14:33
- Category: Earth Leakage Circuit Breakers
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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
- Category: Molded Case 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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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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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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Max. operational voltage for AC/DC Common
When it is connected as special connection, AC/DC compatible circuit breaker can be used with DC 250V or more (3-pole type is DC400V and 4-pole type is DC500... More Details >>
- No:22445
- Release Date:2018/08/31 14:33
- Category: Molded Case 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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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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We don't provide the earth leakage circuit beaker for PV power. Please use a general leakage circuit breaker. However, you need to select a reverse-connectab... More Details >>
- No:22348
- Release Date:2018/08/31 14:33
- Category: Circuit Breakers for Use in Particular Applications
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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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