Almost MCCBs can be connected n reverse. Check the item column of specification table "reverse connection" in the catalo

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

It is possible to use it if you connect with right and left poles, not neutral pole. Since electronic circuit power supp

Do not take the control power supply of UVT ("Resettable type" and "Reset prevention type") from the secondary side of t

Please check the following items. (A) Is the power supplied between MA and MB？ (When the power is not supplied, the disp

It means that it does not interfere with tripping operation even if a handle is held at "ON" position. (It trips when an

There are auxiliary contact (UQ-AX2、UQ-AX2KR) units that can apply forQ11 frame and QR11 frame.1. UQ-AX2 can apply for t

You can install it as follows.1. Regular installation of the power supply side terminal as the upper partand the load si

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

A reason varies with the connection situation of options. (Please refer to the section 6 of the User’s Manual.) In c

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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)
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Circuit Breakers for Use in Particular Applications(6)
Accessories and Related Components(21)
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Contactors and Motor Starters(142)

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FAQ within [ Low-voltage Power Distribution Products ]

111-120 of Total 322

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MCCB Reverse connection

Almost MCCBs can be connected n reverse. Check the item column of specification table "reverse connection" in the catalog. If it says "Possible", MCCB can be... More Details >>
- No：22442
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
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
3P ELCB single phase use

It is possible to use it if you connect with right and left poles, not neutral pole. Since electronic circuit power supply for earth leakage detection is tak... More Details >>
- No：22359
- Release Date：2018/08/31 14:33
- Category： Earth Leakage Circuit Breakers
Where UVT power supplied from?

Do not take the control power supply of UVT ("Resettable type" and "Reset prevention type") from the secondary side of the breakers. If taking the control po... More Details >>
- No：22415
- Release Date：2018/08/31 14:33
- Category： Accessories and Related Components
Communication failure with the upper system through MODBUS RTU.

Please check the following items. (A) Is the power supplied between MA and MB？ (When the power is not supplied, the display does not work.) (B) Is the wir... More Details >>
- No：22182
- Release Date：2018/08/27 16:41
- Update：2020/04/10 17:08
- Category： Electrical Indicators
Trip free

It means that it does not interfere with tripping operation even if a handle is held at "ON" position. (It trips when an overcurrent flows even if a handle i... More Details >>
- No：22378
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
About Low-voltage Power Distribution Products

There are auxiliary contact (UQ-AX2、UQ-AX2KR) units that can apply forQ11 frame and QR11 frame.1. UQ-AX2 can apply for the left side of Q11 and QR11.2. UQ-AX... More Details >>
- No：23302
- Release Date：2018/09/12 15:11
- Category： Motor Starters
About Low-voltage Power Distribution Products

You can install it as follows.1. Regular installation of the power supply side terminal as the upper partand the load side terminal as the lower side2. Incli... More Details >>
- No：23283
- Release Date：2018/09/12 15:11
- Category： Motor Starters
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
LCD COM is flashing (ME96SS series).

A reason varies with the connection situation of options. (Please refer to the section 6 of the User’s Manual.) In case of MODBUS RTU Error content: ... More Details >>
- No：22186
- Release Date：2018/08/27 16:41
- Update：2020/04/13 09:20
- Category： Electrical Indicators

111-120 of Total 322

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