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

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

Transformers, wires and welded materials may be damaged if an abnormal energization occurs exceeding the energization cy

General protection relay (WS) of AE-SW type Air Circuit Breaker has tripping characteristic and function for general use

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

We don't provide the earth leakage circuit beaker for PV power. Please use a general leakage circuit breaker. However, y

It is a tripping zone which instantly trips, when significantly overcurrent such as short-circuit currents flow.

PAＬ（Pre-Alarm Module

Pre-Alarm is a function which outputs an alarm if the load current exceeds setting current value. This is useful for sec

Only electricians who have enough technical knowledge should change the setting of overcurrent tripping and earth leakag

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Low-voltage Circuit Breakers

Miniature Circuit Breakers(2)

FAQ within [ Low-voltage Circuit Breakers ]

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Plug-in type NF1600-SEW produced

It is impossible. More Details >>
- No：24817
- Release Date：2019/04/09 15:16
- Category： Molded Case Circuit Breakers
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
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
- Category： Molded Case Circuit Breakers
How to use NV250-WEV

Transformers, wires and welded materials may be damaged if an abnormal energization occurs exceeding the energization cycles that are set for the inverter we... More Details >>
- No：22393
- Release Date：2018/08/31 14:33
- Category： Circuit Breakers for Use in Particular Applications
ACB　General use Generator protection use

General protection relay (WS) of AE-SW type Air Circuit Breaker has tripping characteristic and function for general use. However, we also provide the replay... More Details >>
- No：22414
- Release Date：2018/08/31 14:33
- Category： Air Circuit Breakers
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
- Category： Molded Case Circuit Breakers
PV use MCCB

We don't provide the earth leakage circuit beaker for PV power. Please use a general leakage circuit breaker. However, you need to select a reverse-connectab... More Details >>
- No：22348
- Release Date：2018/08/31 14:33
- Category： Circuit Breakers for Use in Particular Applications
Instantaneous tripping

It is a tripping zone which instantly trips, when significantly overcurrent such as short-circuit currents flow. More Details >>
- No：22363
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
PAＬ（Pre-Alarm Module）

Pre-Alarm is a function which outputs an alarm if the load current exceeds setting current value. This is useful for securing continuous power supply and pre... More Details >>
- No：22376
- Release Date：2018/08/31 14:33
- Category： Accessories and Related Components
Change Electronic relay characteristics when it is energized

Only electricians who have enough technical knowledge should change the setting of overcurrent tripping and earth leakage tripping characteristics. Moreover,... More Details >>
- No：22409
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers

21-30 of Total 123

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