In that case, the rated current and the rated voltage shall be reduced. Refer to the table of derating factors as below.

Both of the adjustment knob is set to the maximum value when shipping in order to prevent unwanted earth leakage trippin

Flatness of mounting plane: 1 mm or less. In addition, it is necessary to consider the horizontality of the panel.

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

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

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

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

Drawout type circuit breaker can be drawn-out and insert to the cradle without taking out the connecting conductor. As A

It is a circuit breaker which has higher instantaneous tripping current value in order to prevent unwanted tripping by m

AX (Auxiliary switch) is a switch which electrically displays the ON / OFF state. The markings are 14/AXa, 12/AXb and 11

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Low-voltage Circuit Breakers

Miniature Circuit Breakers(2)

FAQ within [ Low-voltage Circuit Breakers ]

21-30 of Total 123

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MCCB, ELCB and ACB at higher altitudes

In that case, the rated current and the rated voltage shall be reduced. Refer to the table of derating factors as below. More Details >>
- No：24801
- Release Date：2019/04/09 15:17
- Category： Molded Case Circuit Breakers
ELCB Default setting Time-delay type sensitivity

Both of the adjustment knob is set to the maximum value when shipping in order to prevent unwanted earth leakage tripping when Earth Leakage Circuit Breaker ... More Details >>
- No：22388
- Release Date：2018/08/31 14:33
- Category： Earth Leakage Circuit Breakers
Horizontal allowable distance when installing ACB

Flatness of mounting plane: 1 mm or less.In addition, it is necessary to consider the horizontality of the panel. More Details >>
- No：37698
- Release Date：2020/01/17 17:32
- Category： Air 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
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
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
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
ACB　drawout position

Drawout type circuit breaker can be drawn-out and insert to the cradle without taking out the connecting conductor. As ACB is drawn out, it will be "connect ... More Details >>
- No：22431
- Release Date：2018/08/31 14:33
- Category： Air Circuit Breakers
High inst MCCB for transformer primary side

It is a circuit breaker which has higher instantaneous tripping current value in order to prevent unwanted tripping by magnetizing inrush current of a transf... More Details >>
- No：22358
- Release Date：2018/08/31 14:33
- Category： Circuit Breakers for Use in Particular Applications
AX

AX (Auxiliary switch) is a switch which electrically displays the ON / OFF state. The markings are 14/AXa, 12/AXb and 11/AXc.* If the circuit breaker itself ... More Details >>
- No：22354
- Release Date：2018/08/31 14:33
- Category： Accessories and Related Components

21-30 of Total 123

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