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

PAＬ（Pre-Alarm Module

This function is equipped in electronic circuit breaker. It outputs an alarm when pre-alarm current setting current (the

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

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

It is an earth leakage current (Effective value of residual operating current) which definitely trips Earth Leakage Cir

This model has “Motor Starting Current Mask Function”. This function stops the alarm output and updating of the maximum

This model is available for direct measurement of 400V loads at the STAR connection in Three-phase 3-wire system.

Please check the register addresses. The register address for the present value of the power factor of each pha

(1) When "N" is marked on the breaker,connect the N phase wire as marked. (2) When "N" is not marked on the breake

Bar terminal material for 400A is aluminum alloy, and for 630A or higher is copper.

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Low-voltage Power Distribution Products

Low-voltage Circuit Breakers(125)

Air Circuit Breakers(24)
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)
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Contactors and Motor Starters(142)

Motor Starters(142)

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Electrical Indicators(57)

FAQ within [ Low-voltage Power Distribution Products ]

41-50 of Total 323

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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
PAＬ（Pre-Alarm Module）

This function is equipped in electronic circuit breaker. It outputs an alarm when pre-alarm current setting current (the rated current or less) is over and l... More Details >>
- No：22377
- Release Date：2018/08/31 14:33
- Category： Accessories and Related Components
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
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
Rated current sensitivity

It is an earth leakage current (Effective value of residual operating current) which definitely trips Earth Leakage Circuit Breaker and Earth Leakage Relay ... More Details >>
- No：22353
- Release Date：2018/08/31 14:33
- Category： Earth Leakage Circuit Breakers
Disable an alarm for motor starting current (ME96SS series).

This model has “Motor Starting Current Mask Function”. This function stops the alarm output and updating of the maximum values during the setting time when a... More Details >>
- No：22175
- Release Date：2018/08/27 16:41
- Update：2020/04/10 16:51
- Category： Electrical Indicators
Availability for direct measurement of 400V loads (ME96SS series).

This model is available for direct measurement of 400V loads at the STAR connection in Three-phase 3-wire system. More Details >>
- No：22150
- Release Date：2018/08/27 16:41
- Category： Electrical Indicators
The power factor does not match the indication values through MODBUS.

Please check the register addresses. The register address for the present value of the power factor of each phase is “0789”. There are the register... More Details >>
- No：37807
- Release Date：2020/04/10 15:10
- Category： Electrical Indicators
How to connect to 2-pole breaker

(1) When "N" is marked on the breaker,connect the N phase wire as marked. (2) When "N" is not marked on the breaker, N phase wire can be connected to eith... More Details >>
- No：37700
- Release Date：2020/01/17 08:58
- Category： Molded Case Circuit Breakers
MCCB bar terminal material

Bar terminal material for 400A is aluminum alloy, and for 630A or higher is copper. More Details >>
- No：24819
- Release Date：2019/04/09 15:13
- Category： Molded Case Circuit Breakers

41-50 of Total 323

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