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

When it is connected as special connection, AC/DC compatible circuit breaker can be used with DC 250V or more (3-pole ty

It is possible to attach closely if there is no problem about the insulation distance between live parts such as a termi

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

It is the number that can be opened/closed per hour under the conditions specified in the standard.

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

In that case, the rated current and the rated voltage shall be reduced. Refer to the table of derating factors as below.

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FAQ > Low-voltage Power Distribution Products > Low-voltage Circuit Breakers > Molded Case Circuit Breakers

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FAQ within [ Molded Case Circuit Breakers ]

41-49 of Total 49

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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
Plug-in type NF1600-SEW produced

It is impossible. More Details >>
- No：24817
- Release Date：2019/04/09 15:16
Max. operational voltage for AC/DC Common

When it is connected as special connection, AC/DC compatible circuit breaker can be used with DC 250V or more (3-pole type is DC400V and 4-pole type is DC500... More Details >>
- No：22445
- Release Date：2018/08/31 14:33
Side by side installation

It is possible to attach closely if there is no problem about the insulation distance between live parts such as a terminal bar and load currents are 80% or ... More Details >>
- No：22400
- Release Date：2018/08/31 14:33
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
Operating cycles

It is the number that can be opened/closed per hour under the conditions specified in the standard. More Details >>
- No：22436
- Release Date：2018/08/31 14:33
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
MCCB, ELCB and ACB at higher altitudes

In that case, the rated current and the rated voltage shall be reduced. Refer to the table of derating factors as below. More Details >>
- No：24801
- Release Date：2019/04/09 15:17
Rear stud (B-ST) installed

B-ST is possible. More Details >>
- No：24814
- Release Date：2019/04/09 15:17

41-49 of Total 49

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