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搜尋常見問題

Are the Compact NSX DC circuit breakers suitable to be used on 24V DC network?

Compact NSX range can be used from 24V DC to 750V DC network, by taking into account the following points for its use on a 24V DC network:

The electrical performance is still kept .( breaking capacity , endurance operations ..)
Nevertheless, the influence of pollution due to the environment is very important on the contact's surface, which can drive to overheating. In some environments a deposit are accumulated giving a bad conduction of the contacts. (examples: salty surrounding, cement works, flour-milling industry, farm-produce industry). Those types of industry require an adapted maintenance of the circuit breakers working at 24 V DC. This means a periodic opening /closing of the circuit breaker at nominal current to clean the contacts by using the internal arcing. The cleaning will be effective if we have to deal with a self-induction installation. (more energy to maintain an internal arc)
We recommend a monthly open/close operation and even twice in a very aggressive environment.
In an environment containing Sulphur (vapors from diesel oil) the use of circuit breakers at 24 V DC is forbidden. The Sulphur causes fast oxidation of the silver contacts.

施耐德電機Taiwan

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系列:
Compact NSX for Direct Current
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系列:
Compact NSX for Direct Current