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Low-voltage Power Distribution Products
FAQ within [ Low-voltage Power Distribution Products ]
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About Low-voltage Power Distribution Products
Since US-N/K/H type is a solid state contactor having zero-voltage-triggering method, surge voltage does not occur due to opening/closing amain circuit. More... More Details >>
- No:23291
- Release Date:2018/09/12 15:11
- Category: Motor Starters
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Rating of a circuit breaker for transformers primary protection
When making a transformer to energize, a large inrush current may flow. The circuit breaker is therefore required to prevent unwanted trip. The selection of ... More Details >>
- No:22343
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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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
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How to install cassette type accessories
A circuit breaker shall be Trip position when installing Cassette type accessory. The breaker may be damaged if installing in "ON" or "OFF" position. Moreove... More Details >>
- No:22422
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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About Low-voltage Power Distribution Products
US-H* is designed for a heater load ,and a driving-circuit and selection ofa main circuit element are also designed to apply for a heater load andwhen applie... More Details >>
- No:23361
- Release Date:2018/09/12 15:12
- Category: Motor Starters
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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
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About Low-voltage Power Distribution Products
Since the control coil of DU-N type is AC operation DC excitation methodof an electromagnet type and it includes the surge suppresing function.Therefore, a s... More Details >>
- No:23353
- Release Date:2018/09/12 15:12
- Category: Motor Starters
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About Low-voltage Power Distribution Products
When installing a thermal load relay in the delta phase and detectingphase current, you select a heater designation that can be set to 1 / √ 3times of the mo... More Details >>
- No:23240
- Release Date:2018/09/12 15:11
- Category: Motor Starters
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About Low-voltage Power Distribution Products
Surge voltage occurs due to opening/closing a control coil. Since we donot provide the surge suppressor for a control coil which is available forthem, you ne... More Details >>
- No:23285
- Release Date:2018/09/12 15:11
- Category: Motor Starters
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About Low-voltage Power Distribution Products
For our reduced-voltage starter, when the starting time is over 15 sec,you need to review the selection of MCS and the wiring between MCD-MCS, and check whet... More Details >>
- No:23267
- Release Date:2018/09/12 15:11
- Category: Motor Starters
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