A circuit breaker must have interrupting ratings. These are classified as rated short-circuit breaking capacities in IEC

For ACB, Line and Load are not defined on the main circuit terminals. Reverse connection is available without any limita

Shunt Trip for CP30-BA can be provided. However, the pole of that with Shunt Trip is "Relay type" without overcurrent tr

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

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

Almost ELCBs can be connected n reverse. Check the item column of specification table "reverse connection (below 230 V A

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

You can calculate that with MELSHORT 2 (Free of charge).

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

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Low-voltage Circuit Breakers

Miniature Circuit Breakers(2)

FAQ within [ Low-voltage Circuit Breakers ]

81-90 of Total 123

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Interrupting ratings

A circuit breaker must have interrupting ratings. These are classified as rated short-circuit breaking capacities in IEC 60947-2.e rated ultimate short-circu... More Details >>
- No：22341
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
Rear stud (B-ST) installed

B-ST is possible. More Details >>
- No：24814
- Release Date：2019/04/09 15:17
- Category： Molded Case Circuit Breakers
ACB　reverse connection

For ACB, Line and Load are not defined on the main circuit terminals. Reverse connection is available without any limitation. More Details >>
- No：22425
- Release Date：2018/08/31 14:33
- Category： Air Circuit Breakers
CP30-BA　SHT trip device

Shunt Trip for CP30-BA can be provided. However, the pole of that with Shunt Trip is "Relay type" without overcurrent tripping element. Internal circuit is "... More Details >>
- No：22423
- Release Date：2018/08/31 14:33
- Category： Circuit Breakers for Equipment
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
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
ELCB reverse connection

Almost ELCBs can be connected n reverse. Check the item column of specification table "reverse connection (below 230 V AC)" in the catalog. If it says "Possi... More Details >>
- No：22434
- Release Date：2018/08/31 14:33
- Category： Earth Leakage 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
Short circuit current calculation software

You can calculate that with MELSHORT 2 (Free of charge). More Details >>
- No：22394
- 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

81-90 of Total 123

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