Quality mcb business made in china | Dvolt
  • Quality mcb business made in china | Dvolt

Quality mcb business made in china | Dvolt

The product design principle and the structure of mcb business have obtained national patents.
Products Details

With strong R&D strength and production capabilities, Dvolt now has become a professional manufacturer and reliable supplier in the industry. All our products including mcb business are manufactured based on the strict quality management system and international standards. mcb business We will do our best to serve customers throughout the whole process from product design, R&D, to delivery. Welcome to contact us for further information about our new product mcb business or our company.Dvolt is manufactured using the latest machinery.


Protection of circuits against short-circuit currents,protection of circuits against overload currents,switch, isolation.


Technical data of the network at the point considered:the earthing systems (TNS,TNC),

short-circuit current at the circuit-breaker installation point,which must always be less than the breaking capacity of this device,

Network normal voltage.

Tripping curves:

B curve (3-5In)

protection for people and big length cables in TN and IT systems.

C curve(5-10In)

protection for resistive and inductive loads with low inrush current.

D curve(10-14In)

protection for circuits which supply loads with high inrush current at the circuit closing

(LV/LV transformers, breakdown lamps).

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