It may not trip a fault current or degrade insulation after tripping. When you connect the device in reverse, you must s

It is from -25 to 55℃ in Trip or OFF position. However, it shall be in an environment without condensation and freezing

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

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

It is the Earth Leakage Circuit Breaker with rated residual operating current of higher than 30mA but not exceeding 1000

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

It is the Earth Leakage Circuit Breaker with rated residual operating current of 30mA or less.

It is possible to attach closely if there is no problem about the insulation distance between live parts such as a termi

The applicable voltage is 440V or less. Moreover, High-speed type can be used from 85 to 484V, and Time-delay type can b

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Low-voltage Circuit Breakers

Miniature Circuit Breakers(2)

FAQ within [ Low-voltage Circuit Breakers ]

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Wrong connection in reverse

It may not trip a fault current or degrade insulation after tripping. When you connect the device in reverse, you must select a reverse-connectable model. More Details >>
- No：22345
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
Storage temperature range of MCCBs and ELCBs

It is from -25 to 55℃ in Trip or OFF position. However, it shall be in an environment without condensation and freezing even in a short time. More Details >>
- No：22426
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
replace AE-SS with AE-SW

(1) and (2) are impossible. More Details >>
- No：24818
- Release Date：2019/04/09 15:03
- Category： Air Circuit Breakers
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
- 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
ELCB medium-sensitivity

It is the Earth Leakage Circuit Breaker with rated residual operating current of higher than 30mA but not exceeding 1000mA. We provide the products of "100, ... More Details >>
- No：22395
- 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
ELCB High-sensitivity

It is the Earth Leakage Circuit Breaker with rated residual operating current of 30mA or less. More Details >>
- No：22390
- Release Date：2018/08/31 14:33
- Category： Earth Leakage Circuit Breakers
Side by side installation

It is possible to attach closely if there is no problem about the insulation distance between live parts such as a terminal bar and load currents are 80% or ... More Details >>
- No：22400
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
ELCB applicable voltage

The applicable voltage is 440V or less. Moreover, High-speed type can be used from 85 to 484V, and Time-delay type can be used from 170 to 484V. More Details >>
- No：22421
- Release Date：2018/08/31 14:33
- Category： Earth Leakage Circuit Breakers

1-10 of Total 123

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