A circuit breaker shall be Trip position when installing Cassette type accessory. The breaker may be damaged if installi

Large electromagnetic force will be generated between conductors/wires due to fault currents. To prevent deformation and

It is the number that can be opened/closed per hour under the conditions specified in the standard.

When it is connected as special connection, AC/DC compatible circuit breaker can be used with DC 250V or more (3-pole ty

It is forbidden to change the characteristic when the breaker ON. Over current trip and earth leakage trip characteristi

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

MCCB stands for "Molded Case Circuit Breaker." This is defined in the IEC standard, IEC 60947-2 and in the UL standard,

It is a protection method which only trips the related circuit breaker and other fault-free circuit does not trip and co

It is a button in order to mechanically trip a circuit breaker outside. It is used to confirm switching mechanism at the

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FAQ within [ Molded Case Circuit Breakers ]

21-30 of Total 49

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How to install cassette type accessories

A circuit breaker shall be Trip position when installing Cassette type accessory. The breaker may be damaged if installing in "ON" or "OFF" position. Moreove... More Details >>
- No：22422
- Release Date：2018/08/31 14:33
How to fix conductors/wires

Large electromagnetic force will be generated between conductors/wires due to fault currents. To prevent deformation and breakage of circuit breakers and con... More Details >>
- No：22424
- Release Date：2018/08/31 14:33
Operating cycles

It is the number that can be opened/closed per hour under the conditions specified in the standard. More Details >>
- No：22436
- Release Date：2018/08/31 14:33
Max. operational voltage for AC/DC Common

When it is connected as special connection, AC/DC compatible circuit breaker can be used with DC 250V or more (3-pole type is DC400V and 4-pole type is DC500... More Details >>
- No：22445
- Release Date：2018/08/31 14:33
Plug-in type NF1600-SEW produced

It is impossible. More Details >>
- No：24817
- Release Date：2019/04/09 15:16
Setting change operation while power is on

It is forbidden to change the characteristic when the breaker ON. Over current trip and earth leakage trip characteristics should be changed by a person with... More Details >>
- No：37699
- Release Date：2020/01/18 09:58
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
MCCB and MCB as terms

MCCB stands for "Molded Case Circuit Breaker." This is defined in the IEC standard, IEC 60947-2 and in the UL standard, UL 489. MCB stands for "Miniature Ci... More Details >>
- No：22340
- Release Date：2018/08/31 14:33
Selective coordination

It is a protection method which only trips the related circuit breaker and other fault-free circuit does not trip and continues power supply in the event of... More Details >>
- No：22366
- Release Date：2018/08/31 14:33
Trip button

It is a button in order to mechanically trip a circuit breaker outside. It is used to confirm switching mechanism at the regular maintenance or sequence-chec... More Details >>
- No：22368
- Release Date：2018/08/31 14:33

21-30 of Total 49

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