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

The control power supply of the earth leakage detection circuit is taken from the inside of Earth Leakage Circuit Breake

PAＬ（Pre-Alarm Module

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

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

Transformers, wires and welded materials may be damaged if an abnormal energization occurs exceeding the energization cy

General protection relay (WS) of AE-SW type Air Circuit Breaker has tripping characteristic and function for general use

For ACB, Line and Load are not defined on the main circuit terminals. Reverse connection is available without any limita

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

You can calculate that with MELSHORT 2 (Free of charge).

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 ]

91-100 of Total 124

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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
ELCB installation

The control power supply of the earth leakage detection circuit is taken from the inside of Earth Leakage Circuit Breaker. If used on the secondary side of t... More Details >>
- No：22372
- 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
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
How to use NV250-WEV

Transformers, wires and welded materials may be damaged if an abnormal energization occurs exceeding the energization cycles that are set for the inverter we... More Details >>
- No：22393
- Release Date：2018/08/31 14:33
- Category： Circuit Breakers for Use in Particular Applications
ACB　General use Generator protection use

General protection relay (WS) of AE-SW type Air Circuit Breaker has tripping characteristic and function for general use. However, we also provide the replay... More Details >>
- No：22414
- Release Date：2018/08/31 14:33
- Category： Air Circuit Breakers
ACB　reverse connection

For ACB, Line and Load are not defined on the main circuit terminals. Reverse connection is available without any limitation. More Details >>
- No：22425
- 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
Short circuit current calculation software

You can calculate that with MELSHORT 2 (Free of charge). More Details >>
- No：22394
- 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

91-100 of Total 124

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