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

It means a space between the edge of a exhaust port and panel component ( such as wall or duct) of a circuit breaker. Th

It is the maximum voltage which meets the performance criteria for the rated operational voltage.

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

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

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

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

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FAQ within [ Molded Case Circuit Breakers ]

41-49 of Total 49

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Plug-in type NF1600-SEW produced

It is impossible. More Details >>
- No：24817
- Release Date：2019/04/09 15:16
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
Arc space

It means a space between the edge of a exhaust port and panel component ( such as wall or duct) of a circuit breaker. The arc space is needed for smoothly di... More Details >>
- No：22373
- Release Date：2018/08/31 14:33
Operational voltage

It is the maximum voltage which meets the performance criteria for the rated operational voltage. More Details >>
- No：22367
- 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
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
Rear stud (B-ST) installed

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

41-49 of Total 49

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