1. The internal resistance (per pole) is described in the catalog and technical notes. 2. Power consumption (W) = RI^2 x

When making a transformer to energize, a large inrush current may flow. The circuit breaker is therefore required to pre

Basically you have to consider the effect of harmonic waves, but there are two ways as below. 1. Refer to the recommende

A circuit breaker shall be Trip position when installing Cassette type accessory. The breaker may be damaged if installi

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

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

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

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

It means a space between the edge of a exhaust port and panel component ( such as wall or duct) of a circuit breaker. Th

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Low-voltage Circuit Breakers

Miniature Circuit Breakers(2)

FAQ within [ Low-voltage Circuit Breakers ]

11-20 of Total 123

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Calorific value of the circuit breaker

1. The internal resistance (per pole) is described in the catalog and technical notes. 2. Power consumption (W) = RI^2 x Poles = Resistance (Ω) x Load curre... More Details >>
- No：38025
- Release Date：2021/01/22 17:39
- Category： Molded Case Circuit Breakers
Rating of a circuit breaker for transformers primary protection

When making a transformer to energize, a large inrush current may flow. The circuit breaker is therefore required to prevent unwanted trip. The selection of ... More Details >>
- No：22343
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
How to select at Inverter circuit

Basically you have to consider the effect of harmonic waves, but there are two ways as below. 1. Refer to the recommended rated current by inverter manufactu... More Details >>
- No：22360
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
How to install cassette type accessories

A circuit breaker shall be Trip position when installing Cassette type accessory. The breaker may be damaged if installing in "ON" or "OFF" position. Moreove... More Details >>
- No：22422
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
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
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
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
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
lower limit of operational voltage for DC

It is DC 24V. More Details >>
- No：24816
- Release Date：2019/04/09 15:17
- Category： Molded Case Circuit Breakers
Arc space

It means a space between the edge of a exhaust port and panel component ( such as wall or duct) of a circuit breaker. The arc space is needed for smoothly di... More Details >>
- No：22373
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers

11-20 of Total 123

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