The degess of protection for ACB is IP20 as standard (under the condition that front door is closed). For MCCB and ELCB,

In order to prevent breakdowns and human injuries, it is necessary to select a control device having protection structur

Operating ambient temperature is set to - 10℃ to 40℃. ( However, its average over a period of 24h does not exceed 35℃.)

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

Each setting knob of the overcurrent trip characteristic is set to the maximum value and then shipped if not specified.

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

It is possible. Refer to the figure for connection as below.

It is overcurrent tripping characteristic zone which exceeds the rated current and does not exceed short time tripping z

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FAQ within [ Molded Case Circuit Breakers ]

21-30 of Total 49

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Plug-in type NF1600-SEW produced

It is impossible. More Details >>
- No：24817
- Release Date：2019/04/09 15:16
degrees of protection to　 IEC60529

The degess of protection for ACB is IP20 as standard (under the condition that front door is closed). For MCCB and ELCB, the degrees of protection can be IP2... More Details >>
- No：24812
- Release Date：2019/04/09 15:18
Degree of protection

In order to prevent breakdowns and human injuries, it is necessary to select a control device having protection structure suitable for each purpose. The prot... More Details >>
- No：22443
- Release Date：2018/08/31 14:33
Use in 40℃～60℃

Operating ambient temperature is set to - 10℃ to 40℃. ( However, its average over a period of 24h does not exceed 35℃.) In the case that the ambient temperat... More Details >>
- No：22370
- Release Date：2018/08/31 14:33
lower limit of operational voltage for DC

It is DC 24V. More Details >>
- No：24816
- Release Date：2019/04/09 15:17
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
Default setting of electronic breakers

Each setting knob of the overcurrent trip characteristic is set to the maximum value and then shipped if not specified. However, only the pre-alarm is set to... More Details >>
- No：22438
- 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
3P MCCB in 1-phase 2-wire circuit

It is possible. Refer to the figure for connection as below. More Details >>
- No：24811
- Release Date：2019/04/09 15:18
LTD operating characteristic

It is overcurrent tripping characteristic zone which exceeds the rated current and does not exceed short time tripping zone (If without short time tripping ,... More Details >>
- No：22384
- Release Date：2018/08/31 14:33

21-30 of Total 49

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