If switching of neutral pole is not needed, it is possible to use 3-pole MCCB for 3-phase 4- wire circuit. Generally, it

Please select rated current sensitivity ,according to the protection purpose and the protective grounding resistance val

In general, in case of measurement by the average method, the waveform including harmonics cause large error. This mode

If both of a closing coil and a tripping coil are continued to excite at thesame time, it will result in coil burnout. Y

SD-T12 to T32 and SD-N600, N800 type operation coil terminals have polarity. Connect terminal mumber A1 (+) to the po

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

Generally, there is no Mechanical Trip indication of continuous output for AE-SW. It is necessary to indicate electrical

No, you must not use 2-pole circuit breaker as 1-pole circuit breaker (series connection as only single phase ). If usin

It means a space between the edge of a exhaust port and panel component ( such as wall or duct) of a circuit breaker. Th

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

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Low-voltage Power Distribution Products

Low-voltage Circuit Breakers(124)

Air Circuit Breakers(23)
Molded Case Circuit Breakers(49)
Earth Leakage Circuit Breakers(21)
Circuit Breakers for Equipment(2)
Circuit Breakers for Use in Particular Applications(6)
Accessories and Related Components(21)
Miniature Circuit Breakers(2)
Contactors and Motor Starters(142)

Motor Starters(142)

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Electrical Indicators(57)

FAQ within [ Low-voltage Power Distribution Products ]

221-230 of Total 322

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MCCB 3P4W 3P use

If switching of neutral pole is not needed, it is possible to use 3-pole MCCB for 3-phase 4- wire circuit. Generally, it is recommended to use 4-pole circuit... More Details >>
- No：22385
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
Select rated current sensitivity

Please select rated current sensitivity ,according to the protection purpose and the protective grounding resistance value of the load equipment. If you alre... More Details >>
- No：22346
- Release Date：2018/08/31 14:33
- Category： Earth Leakage Circuit Breakers
Measurement value different from other measuring instrument (ME96SS series).

In general, in case of measurement by the average method, the waveform including harmonics cause large error. This model uses the RMS value method and measu... More Details >>
- No：22177
- Release Date：2018/08/27 16:41
- Update：2020/04/10 16:54
- Category： Electrical Indicators
About Low-voltage Power Distribution Products

If both of a closing coil and a tripping coil are continued to excite at thesame time, it will result in coil burnout. You need to design a system thatdoes n... More Details >>
- No：23282
- Release Date：2018/09/12 15:11
- Category： Motor Starters
About Low-voltage Power Distribution Products

SD-T12 to T32 and SD-N600, N800 type operation coil terminals have polarity. Connect terminal mumber A1 (+) to the positive and A2 (-) to the negative sid... More Details >>
- No：23271
- Release Date：2018/09/12 15:11
- Update：2021/04/09 16:21
- Category： Motor Starters
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
ACB trip indication

Generally, there is no Mechanical Trip indication of continuous output for AE-SW. It is necessary to indicate electrically by using OCR Alarm (AL) output or ... More Details >>
- No：22432
- Release Date：2018/08/31 14:33
- Category： Air Circuit Breakers
2P MCCB only 1-pole use

No, you must not use 2-pole circuit breaker as 1-pole circuit breaker (series connection as only single phase ). If using it as 1-pole circuit breaker, these... More Details >>
- No：22382
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
Arc space

It means a space between the edge of a exhaust port and panel component ( such as wall or duct) of a circuit breaker. The arc space is needed for smoothly di... More Details >>
- No：22373
- Release Date：2018/08/31 14:33
- Category： Molded Case 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

221-230 of Total 322

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