Almost ELCBs can be connected n reverse. Check the item column of specification table "reverse connection (below 230 V A

It is a button in order to trip MCCB. It is used for regular inspection of the switching mechanism, and trip condition o

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

In order to prevent breakdowns and human injuries, it is necessary to select a control device having protection structur

The degess of protection for ACB is IP20 as standard (under the condition that front door is closed). For MCCB and ELCB,

(1) When "N" is marked on the breaker,connect the N phase wire as marked. (2) When "N" is not marked on the breaker,

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

A shunt trip (SHT) is an internal accessory which electrically and remotely trips a circuit breaker. When the supply vol

AX (Auxiliary switch) is a switch which electrically displays the ON / OFF state. The markings are 14/AXa, 12/AXb and 11

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Low-voltage Circuit Breakers

Miniature Circuit Breakers(2)

FAQ within [ Low-voltage Circuit Breakers ]

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ELCB reverse connection

Almost ELCBs can be connected n reverse. Check the item column of specification table "reverse connection (below 230 V AC)" in the catalog. If it says "Possi... More Details >>
- No：22434
- Release Date：2018/08/31 14:33
- Category： Earth Leakage Circuit Breakers
How to use Trip button

It is a button in order to trip MCCB. It is used for regular inspection of the switching mechanism, and trip condition of MCCB when Alarm switch (AL) and Shu... More Details >>
- No：22444
- Release Date：2018/08/31 14:33
- Category： Molded Case 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
Degree of protection

In order to prevent breakdowns and human injuries, it is necessary to select a control device having protection structure suitable for each purpose. The prot... More Details >>
- No：22443
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
degrees of protection to　 IEC60529

The degess of protection for ACB is IP20 as standard (under the condition that front door is closed). For MCCB and ELCB, the degrees of protection can be IP2... More Details >>
- No：24812
- Release Date：2019/04/09 15:18
- Category： Molded Case Circuit Breakers
How to connect to 2-pole breaker

(1) When "N" is marked on the breaker,connect the N phase wire as marked. (2) When "N" is not marked on the breaker, N phase wire can be connected to eith... More Details >>
- No：37700
- Release Date：2020/01/17 08:58
- 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
How to use SHT

A shunt trip (SHT) is an internal accessory which electrically and remotely trips a circuit breaker. When the supply voltage of the SHT is remained between 7... More Details >>
- No：22342
- Release Date：2018/08/31 14:33
- Category： Accessories and Related Components
AX

AX (Auxiliary switch) is a switch which electrically displays the ON / OFF state. The markings are 14/AXa, 12/AXb and 11/AXc.* If the circuit breaker itself ... More Details >>
- No：22354
- Release Date：2018/08/31 14:33
- Category： Accessories and Related Components

91-100 of Total 123

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