1. The internal resistance (per pole) is described in the catalog and technical notes. 2. Power consumption (W) = RI^2

Almost MCCBs can be connected n reverse. Check the item column of specification table "reverse connection" in the catalo

It is not possible to combine them at the same time. You need to choose one of them.

Use the insulation barrier if they are packed with. If not using that, breaking performance is not guaranteed. For model

The test position is a position where a main circuit is in the "disconnected" state and only control circuit is in the "

At time-delay tripping zone, it operates with bimetal, therefore the characteristics of AC and DC should be same if the

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

The control power supply of the earth leakage detection circuit is taken from the inside of Earth Leakage Circuit Breake

Since the total electric circuit length of upstream circuit breaker side is longer than that of downstream circuit break

Earth Leakage Circuit Breaker and Earth Leakage Relay operate at higher than 50% but not exceeding 100% of the rated res

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Low-voltage Circuit Breakers

Miniature Circuit Breakers(2)

FAQ within [ Low-voltage Circuit Breakers ]

41-50 of Total 123

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Calorific value of the circuit breaker

1. The internal resistance (per pole) is described in the catalog and technical notes. 2. Power consumption (W) = RI^2 x Poles = Resistance (Ω) x Load curre... More Details >>
- No：38025
- Release Date：2021/01/22 17:39
- Category： Molded Case Circuit Breakers
MCCB Reverse connection

Almost MCCBs can be connected n reverse. Check the item column of specification table "reverse connection" in the catalog. If it says "Possible", MCCB can be... More Details >>
- No：22442
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
ACB　combination Ground fault protection and earth leakage protection

It is not possible to combine them at the same time. You need to choose one of them. More Details >>
- No：22419
- Release Date：2018/08/31 14:33
- Category： Air Circuit Breakers
Insulating barrier in the package

Use the insulation barrier if they are packed with. If not using that, breaking performance is not guaranteed. For models that the insulation barrier is not ... More Details >>
- No：22406
- Release Date：2018/08/31 14:33
- Category： Accessories and Related Components
ACB　test position

The test position is a position where a main circuit is in the "disconnected" state and only control circuit is in the "connected" state. Control circuit che... More Details >>
- No：22405
- Release Date：2018/08/31 14:33
- Category： Air Circuit Breakers
Inst tripping current value of AC/DC common breaker

At time-delay tripping zone, it operates with bimetal, therefore the characteristics of AC and DC should be same if the effective values of them are same. Ho... More Details >>
- No：22392
- 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
ELCB installation

The control power supply of the earth leakage detection circuit is taken from the inside of Earth Leakage Circuit Breaker. If used on the secondary side of t... More Details >>
- No：22372
- Release Date：2018/08/31 14:33
- Category： Earth Leakage Circuit Breakers
Earth leakage protective coordination

Since the total electric circuit length of upstream circuit breaker side is longer than that of downstream circuit breaker, constant earth leakage current b... More Details >>
- No：22369
- Release Date：2018/08/31 14:33
- Category： Earth Leakage Circuit Breakers
Rated current sensitivity

Earth Leakage Circuit Breaker and Earth Leakage Relay operate at higher than 50% but not exceeding 100% of the rated residual operating current IΔn. The eart... More Details >>
- No：22364
- Release Date：2018/08/31 14:33
- Category： Earth Leakage Circuit Breakers

41-50 of Total 123

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