The rated operational voltages for them are 200 to 440VAC. If using them in 100VAC or 110VAC circuit, earth-leakage prot

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

It is an internal accessory to test the earth leakage tripping operation by applying voltage remotely. It is possible to

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

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

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

EAL (Earth Leakage Alarm switch) is a switch that electrically displays tripping state of Earth Leakage Circuit Breaker

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

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

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

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Low-voltage Circuit Breakers

Miniature Circuit Breakers(2)

FAQ within [ Low-voltage Circuit Breakers ]

31-40 of Total 123

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4-pole type in 100VAC or 110VAC

The rated operational voltages for them are 200 to 440VAC. If using them in 100VAC or 110VAC circuit, earth-leakage protection does not operate. More Details >>
- No：24820
- Release Date：2019/04/09 15:10
- 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
How to use TBM

It is an internal accessory to test the earth leakage tripping operation by applying voltage remotely. It is possible to make the same control sequence as th... More Details >>
- No：22397
- Release Date：2018/08/31 14:33
- Category： Accessories and Related Components
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
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
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
EAL

EAL (Earth Leakage Alarm switch) is a switch that electrically displays tripping state of Earth Leakage Circuit Breaker by eartheleakage/ground fault. EAL do... More Details >>
- No：22404
- Release Date：2018/08/31 14:33
- Category： Accessories and Related Components
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
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
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

31-40 of Total 123

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