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

Almost MCCBs can be connected n reverse. Check the item column of specification table "reverse connection" in the catalo

It is a button in order to mechanically trip a circuit breaker outside. It is used to confirm switching mechanism at the

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

It is possible. Refer to the figure for connection as below.

It is possible to modify to Rear-connection type by Mitsubishi's certified staff.

It is from -25 to 55℃ in Trip or OFF position. However, it shall be in an environment without condensation and freezing

It is overcurrent tripping characteristic zone which exceeds the rated current and does not exceed short time tripping z

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).

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FAQ within [ Molded Case Circuit Breakers ]

21-30 of Total 49

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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
MCCB Reverse connection

Almost MCCBs can be connected n reverse. Check the item column of specification table "reverse connection" in the catalog. If it says "Possible", MCCB can be... More Details >>
- No：22442
- Release Date：2018/08/31 14:33
Trip button

It is a button in order to mechanically trip a circuit breaker outside. It is used to confirm switching mechanism at the regular maintenance or sequence-chec... More Details >>
- No：22368
- Release Date：2018/08/31 14:33
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
3P MCCB in 1-phase 2-wire circuit

It is possible. Refer to the figure for connection as below. More Details >>
- No：24811
- Release Date：2019/04/09 15:18
Front to rear connection

It is possible to modify to Rear-connection type by Mitsubishi's certified staff. More Details >>
- No：22399
- Release Date：2018/08/31 14:33
Storage temperature range of MCCBs and ELCBs

It is from -25 to 55℃ in Trip or OFF position. However, it shall be in an environment without condensation and freezing even in a short time. More Details >>
- No：22426
- Release Date：2018/08/31 14:33
LTD operating characteristic

It is overcurrent tripping characteristic zone which exceeds the rated current and does not exceed short time tripping zone (If without short time tripping ,... More Details >>
- No：22384
- Release Date：2018/08/31 14:33
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
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

21-30 of Total 49

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