First, turn OFF the upstream circuit breaker and the relevant circuit breaker. You must not work in the state where volt

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

AL (Alarm switch) is a switch which electrically displays tripping state of a circuit breaker.The markings of the switch

It is a button in order to mechanically trip a circuit breaker outside. It is used to confirm switching mechanism at the

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

It is not possible to use standard AE-SW in DC circuit. Special DC use AE-SW is provided if specified.

F-2SV is standard, F-2SVE is for emergency use. The difference is the color of the handle and its surroundings parts.

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

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

The time between application of voltage to the closing coil (CC) and closing of the main contact is 0.08 sec or less.

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Low-voltage Circuit Breakers

Miniature Circuit Breakers(2)

FAQ within [ Low-voltage Circuit Breakers ]

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Electronic MCCB 400-1600A How to change rated current and characteristic curve (Except CE breakers)

First, turn OFF the upstream circuit breaker and the relevant circuit breaker. You must not work in the state where voltage is applied to the relevant circui... More Details >>
- No：22439
- Release Date：2018/08/31 14:33
- Update：2018/08/31 14:35
- 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
AL

AL (Alarm switch) is a switch which electrically displays tripping state of a circuit breaker.The markings of the switch are 8/ALa, 96/ALb and 95/ALc.*When t... More Details >>
- No：22350
- Release Date：2018/08/31 14:33
- Category： Accessories and Related Components
Trip button

It is a button in order to mechanically trip a circuit breaker outside. It is used to confirm switching mechanism at the regular maintenance or sequence-chec... More Details >>
- No：22368
- Release Date：2018/08/31 14:33
- Category： Molded Case 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
ACB DC use

It is not possible to use standard AE-SW in DC circuit. Special DC use AE-SW is provided if specified. More Details >>
- No：22446
- Release Date：2018/08/31 14:33
- Category： Air Circuit Breakers
Type name of the operating handle

F-2SV is standard, F-2SVE is for emergency use. The difference is the color of the handle and its surroundings parts. More Details >>
- No：38028
- Release Date：2021/01/22 17:37
- Category： Accessories and Related Components
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
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
ACB closing time

The time between application of voltage to the closing coil (CC) and closing of the main contact is 0.08 sec or less. More Details >>
- No：22440
- Release Date：2018/08/31 14:33
- Category： Air Circuit Breakers

81-90 of Total 123

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