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

A shunt trip (SHT) is an internal accessory which electrically and remotely trips a circuit breaker. When the supply vol

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

Horizontal connection type (standard: AE-SW up to 3200A except 2000-SWA), Vertical connection (VT) type (standard: 2000-

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

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

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

This model has “Motor Starting Current Mask Function”. This function stops the alarm output and updating of the maximum

Use with 24V, 0.5A or more for AC and DC in normal use. If the breakers are used less than 24V, use with 6V, 1A or more.

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 Power Distribution Products

Low-voltage Circuit Breakers(124)

Air Circuit Breakers(23)
Molded Case Circuit Breakers(49)
Earth Leakage Circuit Breakers(21)
Circuit Breakers for Equipment(2)
Circuit Breakers for Use in Particular Applications(6)
Accessories and Related Components(21)
Miniature Circuit Breakers(2)
Contactors and Motor Starters(142)

Motor Starters(142)

Power Management Meters(57)

Electrical Indicators(57)

FAQ within [ Low-voltage Power Distribution Products ]

21-30 of Total 322

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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 SHT

A shunt trip (SHT) is an internal accessory which electrically and remotely trips a circuit breaker. When the supply voltage of the SHT is remained between 7... More Details >>
- No：22342
- Release Date：2018/08/31 14:33
- Category： Accessories and Related Components
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
- Category： Molded Case Circuit Breakers
ACB　terminal connection

Horizontal connection type (standard: AE-SW up to 3200A except 2000-SWA), Vertical connection (VT) type (standard: 2000-SWA,4000-SWA -6300-SW) and Front conn... More Details >>
- No：22417
- Release Date：2018/08/31 14:33
- Category： Air Circuit Breakers
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
- Category： Molded Case Circuit Breakers , Air 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
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
- Category： Molded Case Circuit Breakers
Disable an alarm for motor starting current (ME96SS series).

This model has “Motor Starting Current Mask Function”. This function stops the alarm output and updating of the maximum values during the setting time when a... More Details >>
- No：22175
- Release Date：2018/08/27 16:41
- Update：2020/04/10 16:51
- Category： Electrical Indicators
Minimum operating voltage

Use with 24V, 0.5A or more for AC and DC in normal use. If the breakers are used less than 24V, use with 6V, 1A or more. Moreover, regular inspection of is ... More Details >>
- No：22401
- 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

21-30 of Total 322

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