It is not possible to use a circuit breaker for AC in DC circuit. Since the Arc-Extinguishing Device structure of circui

PAＬ（Pre-Alarm Module

Pre-Alarm is a function which outputs an alarm if the load current exceeds setting current value. This is useful for sec

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

It is the number that can be opened/closed per hour under the conditions specified in the standard.

For Fixed type, the depth from the circuit breaker mounting surface to the panel board front is fixed. Adjustable-type i

It is same as the maximum rated operational voltage.

It is voltage which ensures withstand voltage and it is used as basis to determine insulation distance.

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,

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 ]

51-60 of Total 123

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AC Breakers used at DC circuit

It is not possible to use a circuit breaker for AC in DC circuit. Since the Arc-Extinguishing Device structure of circuit breaker for DC is different from th... More Details >>
- No：22381
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
PAＬ（Pre-Alarm Module）

Pre-Alarm is a function which outputs an alarm if the load current exceeds setting current value. This is useful for securing continuous power supply and pre... More Details >>
- No：22376
- Release Date：2018/08/31 14:33
- Category： Accessories and Related Components
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
Operating cycles

It is the number that can be opened/closed per hour under the conditions specified in the standard. More Details >>
- No：22436
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
Fixed-type and Adjustable-type of V-type Operating handle

For Fixed type, the depth from the circuit breaker mounting surface to the panel board front is fixed. Adjustable-type is used when the depth from the circui... More Details >>
- No：22433
- Release Date：2018/08/31 14:33
- Category： Accessories and Related Components
ELCB Rated insulation voltage

It is same as the maximum rated operational voltage. More Details >>
- No：22365
- Release Date：2018/08/31 14:33
- Category： Earth Leakage Circuit Breakers
Rated insulation voltage

It is voltage which ensures withstand voltage and it is used as basis to determine insulation distance. More Details >>
- No：22362
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
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
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

51-60 of Total 123

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