MCB can be used at 85% or less relative humidity and no condensation.

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

Y-2005 type field test equipment (it is sold separately) enable to check the operating characteristic easily. The test i

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

The operating handle is an external accessory for a circuit breaker and there is no safety standard for the operating ha

It is necessary to use AL and AX switches that are suitable for the specification of PLC input unit. Generally AL and AX

No, you must not use 2-pole circuit breaker as 1-pole circuit breaker (series connection as only single phase ). If usin

MCCB stands for "Molded Case Circuit Breaker." This is defined in the IEC standard, IEC 60947-2 and in the UL standard,

Type AC: Operates with AC Type A: Operates not only with AC but also with pulsating current <Reference> TYPE B: Op

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

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Low-voltage Circuit Breakers

Miniature Circuit Breakers(2)

FAQ within [ Low-voltage Circuit Breakers ]

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MCB relative humidity

MCB can be used at 85% or less relative humidity and no condensation. More Details >>
- No：24822
- Release Date：2019/04/09 15:11
- Category： Miniature 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
ACB How to check the operating characteristic

Y-2005 type field test equipment (it is sold separately) enable to check the operating characteristic easily. The test is conducted by connecting the test te... More Details >>
- No：22429
- Release Date：2018/08/31 14:33
- Category： Air 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
Operation handle CE marking

The operating handle is an external accessory for a circuit breaker and there is no safety standard for the operating handle itself. Therefore, there is no C... More Details >>
- No：22408
- Release Date：2018/08/31 14:33
- Category： Accessories and Related Components
AL/AX direct connection to PLC

It is necessary to use AL and AX switches that are suitable for the specification of PLC input unit. Generally AL and AX switch for micro-load are used for i... More Details >>
- No：22398
- Release Date：2018/08/31 14:33
- Category： Accessories and Related Components
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
MCCB and MCB as terms

MCCB stands for "Molded Case Circuit Breaker." This is defined in the IEC standard, IEC 60947-2 and in the UL standard, UL 489. MCB stands for "Miniature Ci... More Details >>
- No：22340
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
Leakage characteristics

Type AC: Operates with AC Type A: Operates not only with AC but also with pulsating current <Reference> TYPE B: Operates with DC More Details >>
- No：38026
- Release Date：2021/01/22 17:36
- Category： Miniature 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

61-70 of Total 123

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