The Leading DC MCB Manufacturer From China

  • Tough on overloads and short circuits
  • 100% reliable performance
  • Quick trip action and super long service life
  • Call us now to inquire it!
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Langir, China DC MCB Factory

Langir is your #1 choice from China. When you order from Langir, you can trust that you are in good hands and you will only receive world class quality.

It is an electrical switch that can be operated automatically to protect an electrical circuit. It also protects the connected electrical objects from the damaging effects of short circuits, power surges, or any other fault in the circuit.

The primary purpose is to stop the current from running if a current fault has been detected. After it has taken action, it has to be reset manually to recommence its protective operation. The DC MCB is available in different sizes and configurations.

Select from single pole, double pole, three poles, and four poles, Langir also offers various ampere ratings from 1 amp to 63 amps or from 250V up to 1000V so you can choose whichever is required for your circuits.

Our DC MCBs are easy to install with their slide in mounting method which only takes a couple of seconds. They are approved by SAA, compliant with TUV Rheinland, EN60947-2, IEC 60947-2.

You can use it for the circuits of your home, business, as well as for circuits in factories and for any other electrical devices that need protection from an electrical fault. Langir is committed to providing you with trustworthy DC MCBs that you can depend on for a lifetime.

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Langir DC MCB Range

2-Silver Contact DC MCB

250vdc, IEC60947-2

3-2 Poles DC MCB

500VDC, EN60947-2

4- 3P DC MCB

750VDC, GB14048.2

DC MCB Is Guaranted to Support Your Business

TUV Certified
Langir 1P, 2P, 3P & 4P are all TUV certified with CB
CE Certified
Certification is provided to assure of the quality
Langir offers a product liability insurance policy to ensure your product reaches you safely
Samples provided less than 3 days, mass production less than 20 days. Quick to reach you.

What Are the Different Main parts?

  • Molded frame – This houses the DC MCB’s internal parts and maintains them in place. It is composed of a base and molded frame for the cover.
  • Handle – The lever you can operate to turn it on or off and reset it.
  • Terminals – Where negative and positive wires are connected.
  • Contacts – Consists of fixed and moving contacts that break apart when upon detection of a current fault.
  • Electromagnet device – A device that energizes upon detection of overcurrent and causes the DC MCB to trip.
  • Arc extinguishing device – The device responsible for diminishing the formation of arc quickly.
  • Trip button – Enables you to mechanically trip if you need to test it.

Other parts that could be included are the latching mechanism, cable clamp, and tension spring.

8-DC MCB Parts
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Langir Electric - China Leading DC MCB Supplier

The Langir DC MCB is your best choice for a reliable DC miniature circuit breaker that will provide optimum performance all the time without fail.

It is precisely designed and built to perfectly handle short circuits, overloading, power surges, or any electrical fault. With Langir DC MCB you can be sure that your circuits are safe including you.

So Call Langir for your DC MCB now!

More Process

10-DC MCB 1000VDC
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  • Miniature but built strong for photovoltaic purposes
  • Robust insulating materials for better and safer operation
  • IEC/EN 60947-2 standard
  • Not polarity sensitive, inverse wires without risk!
DC MCB for A Wide Range of Application

Professional DC MCB provider, serve customers all over the world, quick reply in 2 hours

  • “Langri DC MCB is really good, we have been cooperated over years and will continue.”

  • “We like Langir products which are good quality, surely we will have a long cooperation”

  • “Langir is our best partner and this has been always approved”

How to deliver your orders?

For small orders, Langir will use express delivery like FedEx, UPS, DHL, EMS, and TNT.
These deliveries are door to door service.
While for big orders, Langir will send them either via air or sea.
Langir will guarantee safe and protected order packaging to ensure that the DC MCBs will arrive in good condition and ready for installation.

How many days until you receive your orders?

Langir keeps stocks of DC MCBs.
If there are enough stocks, your order will be delivered within 2 to 3 days upon confirmation.
But in the rare event that there is a shortage, you will be notified right away.
Langir will make sure that you will receive what you ordered complete and hassle free.

Does Langir provide a warranty?

Yes, Langir provides 365 days warranty for all of its products.
But all Langir’s products are world class quality to ensure your satisfaction.

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