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

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

No, you must not use 2-pole circuit breaker as 1-pole circuit breaker (series connection as only single phase ). If usin

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

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

It is possible to reverse-connect if the circuit voltage of UL789 listed products is AC240V or less. Since they are doub

Bar terminal material for 400A is aluminum alloy, and for 630A or higher is copper.

It is a tripping zone which instantly trips, when significantly overcurrent such as short-circuit currents flow.

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

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Low-voltage Circuit Breakers

Miniature Circuit Breakers(2)

FAQ within [ Low-voltage Circuit Breakers ]

1-10 of Total 123

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Rear stud (B-ST) installed

B-ST is possible. More Details >>
- No：24814
- Release Date：2019/04/09 15:17
- Category： Molded Case Circuit Breakers
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
- 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
2P MCCB only 1-pole use

No, you must not use 2-pole circuit breaker as 1-pole circuit breaker (series connection as only single phase ). If using it as 1-pole circuit breaker, these... More Details >>
- No：22382
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
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
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
- Category： Molded Case Circuit Breakers
UL ELCBs Reverse connection

It is possible to reverse-connect if the circuit voltage of UL789 listed products is AC240V or less. Since they are double standard products of UL/CSA and CE... More Details >>
- No：22411
- Release Date：2018/08/31 14:33
- Category： Earth Leakage Circuit Breakers
MCCB bar terminal material

Bar terminal material for 400A is aluminum alloy, and for 630A or higher is copper. More Details >>
- No：24819
- Release Date：2019/04/09 15:13
- Category： Molded Case Circuit Breakers
Instantaneous tripping

It is a tripping zone which instantly trips, when significantly overcurrent such as short-circuit currents flow. More Details >>
- No：22363
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
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
- Category： Molded Case Circuit Breakers

1-10 of Total 123

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