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

It is a method which breaks short circuit current with both upstream and downstream circuit breakers. For example, in th

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

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

Since the total electric circuit length of upstream circuit breaker side is longer than that of downstream circuit break

PAＬ（Pre-Alarm Module

This function is equipped in electronic circuit breaker. It outputs an alarm when pre-alarm current setting current (the

Both of the adjustment knob is set to the maximum value when shipping in order to prevent unwanted earth leakage trippin

When earth leakage current protection module (ER) is attached, it is possible to protect against earth leakage current.

The range of ambient temperature is from -10 to 40 degree Celsius for not only MCCB but also including Earth Leakage Cir

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

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Low-voltage Circuit Breakers

Miniature Circuit Breakers(2)

FAQ within [ Low-voltage Circuit Breakers ]

91-100 of Total 123

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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
Cascade breaking

It is a method which breaks short circuit current with both upstream and downstream circuit breakers. For example, in the case that short circuit current at ... More Details >>
- No：22357
- 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
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
Earth leakage protective coordination

Since the total electric circuit length of upstream circuit breaker side is longer than that of downstream circuit breaker, constant earth leakage current b... More Details >>
- No：22369
- Release Date：2018/08/31 14:33
- Category： Earth Leakage Circuit Breakers
PAＬ（Pre-Alarm Module）

This function is equipped in electronic circuit breaker. It outputs an alarm when pre-alarm current setting current (the rated current or less) is over and l... More Details >>
- No：22377
- Release Date：2018/08/31 14:33
- Category： Accessories and Related Components
ELCB Default setting Time-delay type sensitivity

Both of the adjustment knob is set to the maximum value when shipping in order to prevent unwanted earth leakage tripping when Earth Leakage Circuit Breaker ... More Details >>
- No：22388
- Release Date：2018/08/31 14:33
- Category： Earth Leakage Circuit Breakers
ACB　add earth leakage protection

When earth leakage current protection module (ER) is attached, it is possible to protect against earth leakage current. "Trip" or "Alarm signal output" can b... More Details >>
- No：22420
- Release Date：2018/08/31 14:33
- Category： Air Circuit Breakers
Ambient temperature

The range of ambient temperature is from -10 to 40 degree Celsius for not only MCCB but also including Earth Leakage Circuit breaker, Earth Leakage Relay and... More Details >>
- No：22352
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
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

91-100 of Total 123

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