CBN

CBN Moulded Case Circuit Breaker

Application

CBN series of MCCB is suitable for industrial or commercial power and lighting with AC50/60Hz, rated working voltage up to 500V, and rated current up to 1200A. lt can protect lines, power, and power consumption equipment from overload and short-circuit, which improve the continuity of power supply.

Compliance with standards

Internationalstandards

  • IEC947-1: General rules
  • IEC947-2: Circuit breakers
  • lEC947-4: Contactors and motor starters
  • lEC947-5.1: Control circuit devices and switching elements; automatic control components.

National standards

  • GB14048.1: General rules
  • GB14048.2: Circuit breakers

Protection

  • Motor protection
  • Industrial control panel protection
  • Low voltage power distribution protection
Get Quote Now

    Quick Help: Contact one of our experts and we'll get back to you in 24 hours!

    Get Free Catalog

      Quick Help: Attachments will be downloaded automatically after form submission!

      Functions and Characteristics

      Item No.100AF250AF400AF800AF
      Number of poles2PCBN102C
      3PCBN103C3P  CBN203C3P  CBN403C3P  CBN803C
      4PCBN104C
      Electrical characteristics as per IEC60947 and EN60947-2
      Rated current(A)15~100100~250250~400500~800
      Rated operational voltage(V) UeAC690AC690AC690AC690
      Rated insulation voltage(V) UiAC750AC750AC750AC750
      Rated impulse withstand voltage(kV) Uimp8
      Release typeMagnetic Pressure
      Overload protectionBimetal
      Instantaneous releaseUnadjustable
      MountingScrew fixing

      Dimension

      Tripping Curves

      Advantage

      • High precision mold 500+ sets
      • Products exhibit exceptional craftsmanship
      • 48-Hour Anti-Saltspray
      • 20,000+ Life Time
      • High Breaking Capacity up to 100kA
      • -25℃ Min Temperature

      Customized to your design

      Manufacture products based on customer’s complete specifications.

      Customers provide comprehensive specifications documents covering all product details, specifications include complete technical drawings, bill of materials, material/component requirements, and all dimensions, our Engineering and manufacturing team reviews specifications to ensure producibility, we can also provide some new ideas to help you make your product better!

      Customized Solution

        Quick Help: Contact one of our experts and we'll get back to you in 24 hours!

        Frequently Asked Questions

        A: We are professional manufacturer in industrial electrical equipment since 1992. Welcome to have online/offline factory tour for further communication.

        A: Sure, please send us an inquiry and tell us your demand, we have a professional team to support you in model selection til the order is placed.

        A: Moulded Case Circuit Breaker, Air Circuit Breaker, Earth Leakage Circuit Breaker, Miniature Circuit Breaker, Contactor, Motor Protection Circuit Breaker, etc.

         

        A: We strict in high quality. Products has low temperature rise, long life time and good corrosion resistance. Our materials are Mitsubishi PC, DuPont PA66, DMC-A/DMC-2, metal coating-corrosion resistance 72 hours, T2 copper bar, T2 copper pillar, T2 copper plate. All Products pass the test of CQC,CE,CB and TUV.

         

        A: Yes, 24 months warranty, and our products are 100% inspected. If any problems, let us know immediately, and we will give a satisfactory solution.

        A: Yes, 100% inspection. Products passed all tests: micro resistance test, withstand voltage test, temperature rise test, short time delay characteristic test, long time delay characteristic test and instantaneous trip test for each phase.

        A: Yes sure, we provide OEM/ODM/OBM/OPM service, consult us for details like MOQ and design.

         

        A: Usually it takes about 25 days for production. If you have urgent requirements, please send us a list to check the stock. We have sufficient stock for materials.

         

        A: We have flexible payment terms, and accept TT, 30% deposit with 70% balance before shipment. 

         

        A: Welcome! Please let me know your Country/Area first, we will have a check and then process it. Don’t hesitate to contact us for further cooperation.

         

        A: Yes, for large quantities, we always support with better prices. Also, there are some seasonal promotions. Please contact us for a special discount.

         

        A: For transportation issues, we will assist in troubleshooting and provide accessories and guidance. If the product cannot be repaired, we will send you replaced one in the next order. For installation issues, we will provide installation instructions or video guidance.

         

        A: Welcome! We are in Liushi Town,  Wenzhou City, Zhejiang, China. Let us know when you are planning to visit.

        Request For Quote

        Contact to our expert get the best solution for your requirements.