FAQ


FAQAbout Products

- FAQ > Low-voltage Power Distribution Products > Low-voltage Circuit Breakers > Molded Case Circuit Breakers
FAQ
Keyword Search
FAQ within [ Molded Case Circuit Breakers ]
-
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
-
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
-
It is a method which breaks short circuit current with both upstream and downstream circuit breakers. For example, in the case that short circuit current at ... More Details >>
- No:22357
- 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
-
In order to prevent breakdowns and human injuries, it is necessary to select a control device having protection structure suitable for each purpose. The prot... More Details >>
- No:22443
- Release Date:2018/08/31 14:33
-
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
-
Switch disconnector is a switch compatible with IEC 60947-3 standard, and it has no overcurrent tripping element. Please use it as a switch with large switch... More Details >>
- No:22379
- Release Date:2018/08/31 14:33
-
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 stands for "Molded Case Circuit Breaker." This is defined in the IEC standard, IEC 60947-2 and in the UL standard, UL 489. MCB stands for "Miniature Ci... More Details >>
- No:22340
- Release Date:2018/08/31 14:33
-
Inverse time delay operating characteristic
It is a characteristic that operating time inversely become shorter as current increases. For Molded Case Circuit Breakers, protection characteristic meeting... More Details >>
- No:22387
- Release Date:2018/08/31 14:33
11-20 of Total 49