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

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

Each setting knob of the overcurrent trip characteristic is set to the maximum value and then shipped if not specified.

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

"a contact" is normally opened contact, and It is also called "NO (Normally Opened) contact".

It is a protection method which only trips the related circuit breaker and other fault-free circuit does not trip and co

Basically you have to consider the effect of harmonic waves, but there are two ways as below. 1. Refer to the recommende

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

The color of terminal identification tube and lead wire is same.For one AL switch, 98/ALa terminal : red, 96/ALb termina

It means that it does not interfere with tripping operation even if a handle is held at "ON" position. (It trips when an

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Low-voltage Circuit Breakers

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FAQ within [ Low-voltage Circuit Breakers ]

101-110 of Total 123

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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
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
Default setting of electronic breakers

Each setting knob of the overcurrent trip characteristic is set to the maximum value and then shipped if not specified. However, only the pre-alarm is set to... More Details >>
- No：22438
- 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
A contact of AL/AX

"a contact" is normally opened contact, and It is also called "NO (Normally Opened) contact". More Details >>
- No：22410
- Release Date：2018/08/31 14:33
- Category： Accessories and Related Components
Selective coordination

It is a protection method which only trips the related circuit breaker and other fault-free circuit does not trip and continues power supply in the event of... More Details >>
- No：22366
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
How to select at Inverter circuit

Basically you have to consider the effect of harmonic waves, but there are two ways as below. 1. Refer to the recommended rated current by inverter manufactu... More Details >>
- No：22360
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
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
AL/AX/SHT/UVT terminal markings and wire colors

The color of terminal identification tube and lead wire is same.For one AL switch, 98/ALa terminal : red, 96/ALb terminal : blue, 95/ALc terminal : grayFor S... More Details >>
- No：22396
- Release Date：2018/08/31 14:33
- Category： Accessories and Related Components
Trip free

It means that it does not interfere with tripping operation even if a handle is held at "ON" position. (It trips when an overcurrent flows even if a handle i... More Details >>
- No：22378
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers

101-110 of Total 123

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