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

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

Each setting knob of the overcurrent trip characteristic is set to the maximum value and then shipped if not specified.

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

It is necessary to use AL and AX switches that are suitable for the specification of PLC input unit. Generally AL and AX

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

If switching of neutral pole is not needed, it is possible to use 3-pole MCCB for 3-phase 4- wire circuit. Generally, it

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

The control power supply of the earth leakage detection circuit is taken from the inside of Earth Leakage Circuit Breake

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Low-voltage Circuit Breakers

Miniature Circuit Breakers(2)

FAQ within [ Low-voltage Circuit Breakers ]

81-90 of Total 124

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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
Plug-in type NF1600-SEW produced

It is impossible. More Details >>
- No：24817
- Release Date：2019/04/09 15:16
- Category： Molded Case Circuit Breakers
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
- Category： Molded Case Circuit Breakers
Default setting of electronic breakers

Each setting knob of the overcurrent trip characteristic is set to the maximum value and then shipped if not specified. However, only the pre-alarm is set to... More Details >>
- No：22438
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
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
- Category： Molded Case Circuit Breakers
AL/AX direct connection to PLC

It is necessary to use AL and AX switches that are suitable for the specification of PLC input unit. Generally AL and AX switch for micro-load are used for i... More Details >>
- No：22398
- Release Date：2018/08/31 14:33
- Category： Accessories and Related Components
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
MCCB 3P4W 3P use

If switching of neutral pole is not needed, it is possible to use 3-pole MCCB for 3-phase 4- wire circuit. Generally, it is recommended to use 4-pole circuit... More Details >>
- No：22385
- 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
ELCB installation

The control power supply of the earth leakage detection circuit is taken from the inside of Earth Leakage Circuit Breaker. If used on the secondary side of t... More Details >>
- No：22372
- Release Date：2018/08/31 14:33
- Category： Earth Leakage Circuit Breakers

81-90 of Total 124

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