When earth leakage current protection module (ER) is attached, it is possible to protect against earth leakage current.

Each setting knob of the overcurrent trip characteristic is set to the maximum value and then shipped if not specified.

It is a button in order to trip MCCB. It is used for regular inspection of the switching mechanism, and trip condition o

MCCB stands for "Molded Case Circuit Breaker." This is defined in the IEC standard, IEC 60947-2 and in the UL standard,

When making a transformer to energize, a large inrush current may flow. The circuit breaker is therefore required to pre

Since the total electric circuit length of upstream circuit breaker side is longer than that of downstream circuit break

The control power supply of the earth leakage detection circuit is taken from the inside of Earth Leakage Circuit Breake

Transformers, wires and welded materials may be damaged if an abnormal energization occurs exceeding the energization cy

For Shunt Trip (SHT), it is the time from voltage application to open ACB main contact * AE3200-SW or less, AE4000-SWA:

It is not possible to combine them at the same time. You need to choose one of them.

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Low-voltage Circuit Breakers

Miniature Circuit Breakers(2)

FAQ within [ Low-voltage Circuit Breakers ]

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ACB　add earth leakage protection

When earth leakage current protection module (ER) is attached, it is possible to protect against earth leakage current. "Trip" or "Alarm signal output" can b... More Details >>
- No：22420
- Release Date：2018/08/31 14:33
- Category： Air Circuit Breakers
Default setting of electronic breakers

Each setting knob of the overcurrent trip characteristic is set to the maximum value and then shipped if not specified. However, only the pre-alarm is set to... More Details >>
- No：22438
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
How to use Trip button

It is a button in order to trip MCCB. It is used for regular inspection of the switching mechanism, and trip condition of MCCB when Alarm switch (AL) and Shu... More Details >>
- No：22444
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
MCCB and MCB as terms

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
Rating of a circuit breaker for transformers primary protection

When making a transformer to energize, a large inrush current may flow. The circuit breaker is therefore required to prevent unwanted trip. The selection of ... More Details >>
- No：22343
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
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
ELCB installation

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
How to use NV250-WEV

Transformers, wires and welded materials may be damaged if an abnormal energization occurs exceeding the energization cycles that are set for the inverter we... More Details >>
- No：22393
- Release Date：2018/08/31 14:33
- Category： Circuit Breakers for Use in Particular Applications
ACB opening time

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
ACB　combination Ground fault protection and earth leakage protection

It is not possible to combine them at the same time. You need to choose one of them. More Details >>
- No：22419
- Release Date：2018/08/31 14:33
- Category： Air Circuit Breakers

81-90 of Total 124

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