It means that it does not interfere with tripping operation even if a handle is held at "ON" position. (It trips when an

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

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

The operating handle is an external accessory for a circuit breaker and there is no safety standard for the operating ha

It is same as the maximum rated operational voltage.

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

It is not possible to use standard AE-SW in DC circuit. Special DC use AE-SW is provided if specified.

When Power-Fuse (PF) is used as a high-voltage side protection device, coordination with MCCBs on the secondary side sha

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

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Low-voltage Circuit Breakers

Miniature Circuit Breakers(2)

FAQ within [ Low-voltage Circuit Breakers ]

91-100 of Total 123

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Trip free

It means that it does not interfere with tripping operation even if a handle is held at "ON" position. (It trips when an overcurrent flows even if a handle i... More Details >>
- No：22378
- Release Date：2018/08/31 14:33
- 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
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
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
Operation handle CE marking

The operating handle is an external accessory for a circuit breaker and there is no safety standard for the operating handle itself. Therefore, there is no C... More Details >>
- No：22408
- Release Date：2018/08/31 14:33
- Category： Accessories and Related Components
ELCB Rated insulation voltage

It is same as the maximum rated operational voltage. More Details >>
- No：22365
- Release Date：2018/08/31 14:33
- Category： Earth Leakage Circuit Breakers
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
- Category： Molded Case Circuit Breakers
ACB DC use

It is not possible to use standard AE-SW in DC circuit. Special DC use AE-SW is provided if specified. More Details >>
- No：22446
- Release Date：2018/08/31 14:33
- Category： Air Circuit Breakers
Low-instantaneous trip

When Power-Fuse (PF) is used as a high-voltage side protection device, coordination with MCCBs on the secondary side shall be achieved. Therefore, MCCB has l... More Details >>
- No：22403
- Release Date：2018/08/31 14:33
- Category： Circuit Breakers for Use in Particular Applications
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
- Category： Molded Case Circuit Breakers

91-100 of Total 123

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