Ko da ce mai circuit breaker?

Wani ya circuit breaker?

Ta'adannan wani circuit breaker

Circuit breaker shi ne tashar kayayyakin da ke cikin sahihohin contact, arc extinguishing, operating mechanism, release device, shell, kamar haka. Wannan tashar zai iya haɗa, ta gida da kuma yaraƙe mafi na musamman don inganta masana ko abubuwa a kan juyin da kuma alamaɗo daga overloading, short circuit, da wasu abubuwa.

Strukturin bace-bace

• Sahihi contact

• Sahihi arc extinguishing

• Operating mechanism

• Release device

• Shell

Sabbin rayuwa

A lokacin da short circuit, magnetic field mai yawa (da yawa 10 zuwa 12) yake samun reaction spring, release device yake ɗaukan operating mechanism, sannan switch yake yaraƙe daɗi. A lokacin da overloading, maida yake ɗaya, heat yake ɗaya, sannan biyuwar metal yake ɗaya zuwa babban rike wanda yake ba daidaita ɗon ɗaukan mechanism (maida ce mai yawa, action time ce mai tsarki).

Muhimmin mutanen

• Rated voltage

• Rated current

• Setting range of trip current for overload protection

• Short circuit protection

• Rated short circuit breaking current

Categorization of circuit breaker

Low-voltage circuit breaker : shine manual switch function, kuma zai iya yi automatic voltage loss, undervoltage, overload, da kuma short circuit protection don electrical appliances, zai iya amfani da shi don distribution of electrical energy, infrequent start of asynchronous motors, protection of power lines and motors, a lokacin da overloading da kuma short circuit da undervoltage failures za su iya yaraƙe automatically.

High-voltage circuit breaker : rated voltage of 3kV and above is mainly used to break and close the electrical circuit.

Connection of circuit breaker

• Wiring mode behind the board

• Plug-in connection mode

• Drawer type wiring mode

Working condition

• Temperature : upper ambient air temperature +40℃;  Lower limit of ambient air temperature -5℃; The average ambient air temperature for 24h does not exceed +35℃.

• Elevation : The elevation of the installation site does not exceed 2000m.

• Atmospheric conditions : the relative humidity of the atmosphere does not exceed 50% when the ambient air temperature is +40℃; It can have higher relative humidity at lower bottom temperature. The monthly average maximum relative humidity of the wettest month is 90%, while the monthly average minimum temperature of the month is +25 ° C, taking into account the condensation that occurs on the surface of the product due to temperature changes.

• Pollution level : The pollution level is 3.

Development direction

• Bulk

• Intelligentize

• Miniaturization