電線許容電流・ブレーカー・接触器・開閉器選定：Breaker

Nobutaka Uchimura

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About this app

It is an application for selecting switch and breaker of a three-phase motor, the contactor.
Also, you can check the wiring size of the grounding line and the allowable current by type in a separate screen.

■ Selection breaker, switch, the contactor
When an item is selected the following spinner, it displays the size wiring and equipment that was selected in the conditions.

1, manufacturer selection
→ I can select the Fuji or Mitsubishi.
Mitsubishi will display the equipment model number Mitsubishi Electric, manufactured by Fuji Electric "Fuji.

2, motor voltage use
→ I can select 400V or 200V.
I will do the selection that matches the voltage of each.

3, motor capacity
→ Select the capacity of the motor you want to select.

When you select change the above items, it displays the selection that was in the selection criteria.
The items displayed are as follows.

● Rated current
→ I will display the motor rated current of the selected volume.

● breaker capacity
→ to conditions at the time that has been selected, displays the breaker rated current to be selected.

● included directly switch
→ When wiring is placed directly on the conditions at the time it is selected, the switch to be selected
I will display the model.
(It will not be selected if the motor capacity that has been selected is large)

● time reported as a separate component wires and power wires and side load side wire
      → It can be connected to the contactor and switch conditions at the time that has been selected, has been selected
I will display the maximum wire size.
Please keep in mind that it is not a proper size.
Proper wire size, wire for use in a size less than or equal to the selected here
Please be determined after consideration of the other type and condition.

● Main · △ contactor
→ when performing star-delta wiring condition during which the selected main and to be selected
I will display the type of delta for contactor.
(It will not be selected if the motor capacity that has been selected is small)

● Y contactor
→ when performing star-delta wiring conditions when a selected, for the star contactor to be chosen
I will display the model.
(If motor capacity that has been selected is small, it will not be selected)

● Thermal
→ when performing star-delta wiring conditions when a selected, thermal should be selected
I will display the model.
(If motor capacity that has been selected is small, it will not be selected)

■ Notes
Consider it as a standard to the last selection result, it is required to consider tailored to each use conditions.
Result, Since we do not bear any responsibility even if the situation of unexpected emergency occurs
Please use your understanding.

◆ thank you in the comments or questions bug reports, queries.

What’s new

プライバシーポリシーリンク変更