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QUISURE · ELECTRICAL SUPPLY CHAIN

2021 Nader Circuit Breaker Quick Selection Guide

Aerial view of Nader factory

Aerial view of Nader factory

Nader is a leading manufacturer of circuit breakers in China, focusing on R&D and manufacturing: Miniature Circuit Breaker (MCB), Moulded Case Circuit Breaker (MCCB), Air Circuit Breaker (ACB) etc. Product family 100+, popular in 5G communications, Data centers, Solar energy (photovoltaic), Wind power, New energy vehicles, OEM equipment, Building power distribution etc.

Nader is a company by technology-driven and customer-oriented. 1392 Patents have been obtained, There is 2 digital factories of 260,000 ㎡. Introducing international advanced management and intelligent production lines to ensure High-quality and High-efficiency.

Business are involving in the United States (Cisco, Emerson), Brazil, Spain, Sweden (Ericsson), Finland (Nokia), Germany (Siemens), Italy, South Korea (Samsung), Malaysia and more than 30 countries and regions.

Nader Miniature Circuit Breaker (MCB)
Nader Miniature Circuit Breaker (MCB / Micro Circuit Breaker)

MCB is the most widely used terminal protection appliance in the introduction of electrical terminal power distribution devices. It is used for single-phase and three-phase short-circuit, overload, overvoltage and other protections not exceeding 125A, including 6 types of 1P, 1P+N, 2P, 3P, 3P+N, 4P, etc. (N is the neutral pole).

Rated current (amp): 1A, 2A, 4A, 5A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A, 80A, 100A, 125A

Working voltage: AC230V, AC400V, AC415V, DC60V, DC80V, DC125V, DC250V, DC300V, DC500V, DC600V, DC750V, DC1000V, DC1200V

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Nader Moulded Case Circuit Breaker (MCCB)
Nader Moulded Case Circuit Breaker (MCCB)

MCCB refers to the use of plastic insulators as the casing of the device to isolate the conductors and the grounded metal parts. Molded case circuit breakers usually contain thermal and magnetic trip units, while large models of molded case circuit breakers are equipped with solid state trip sensors. The trip unit is divided into: thermal magnetic trip and electronic trip. Including 3 types of 2P, 3P, 4P. (pole)

Rated current (amp): 10A, 12.5A, 16A, 20A, 25A, 32A, 40A, 50A, 63A, 80A, 100A, 125A, 140A, 160A, 180A, 200A, 225A, 250A, 315A, 350A, 400A, 500A, 630A, 700A, 800A, 1000A, 1250A.

Working voltage: AC400V, AC415V, AC440V, AC500V, AC550V, AC690V, AC800V, AC1000V, DC250V, DC500V, DC600V, DC750V, DC1000V, DC1200V, DC1500V

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Nader Air Circuit Breaker (ACB)
Nader Air Circuit Breaker (ACB)

ACB is a mechanical switching device that can connect, carry and break current under normal circuit conditions, and can also connect, carry and break current for a certain period of time under specified abnormal circuit conditions. The frame circuit breaker is used to distribute electric energy and protect the circuit and power equipment from overload, undervoltage, short circuit, etc. Including 2 types of 3P, 4P. (pole)

Rated current (amp): 200A, 400A, 630A, 700A, 800A, 1000A, 1250A, 1600A, 2000A, 2500A, 2900A, 3200A, 4000A, 5000A, 6300A.

Working voltage: 220V, 230V, 380V, 400V, 415V, 440V, 660V, 690V, 800V, 1000V.

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Nader Miniature Circuit Breaker (MCB)

Miniature circuit breakers (MCB) are mainly used for line overload, short circuit, over current, loss of voltage, under voltage, grounding, leakage, automatic switching of dual power supplies, and protection and operation of motors when they are not frequently started.

NDB6AZ-63 Series MCB
NDB6AZ-63 Series MCB

NDB1-63 Series MCB
NDB1-63 Series MCB

NDB1-125 Series MCB
NDB1-125 Series MCB

MCB series technical parameters & datasheet

Number of poles 1P, 1P+N, 2P, 3P, 3P+N, 4P
Rated current In 40℃ (amp) 1A, 2A, 4A, 5A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A, 80A, 100A, 125A
Rated operational voltage Ue AC230V, AC400V, AC415V, DC60V, DC80V, DC125V, DC250V, DC300V, DC500V, DC600V, DC750V, DC1000V, DC1200V
Certificate CCC, CE, TUV, UL, SAA
Special application
  • MCB is mainly used in 5G communication (NDB6AZ-63 Series, NDB1-63 Series, NDB1-125 Series).
  • Solar energy (photovoltaic): combiner box, distributor box;
  • Mechanical OEM equipment, household power distribution
Price Currently EXW, FOB, CIF terms prices can be implemented, and different purchase quantities can enjoy different discounted prices. The main price factors are: voltage, current, number of poles, segmentation capacity, and purchase quantity; Please submit your requirements immediately to get the best discount quotation!
Datasheet
Top Series NDB6AZ-63 NDB1-63 NDB1-125 NDB2-63 NDB2Z-63 NDB1L-32 NDB6-125 NDB6Z-125
How to choose MCB step by step?
  • 1. Is the voltage AC or DC?
  • 2. What is the rated current (amp)?
  • 3. What is the number of poles?
  • 4. What curve type (b/c/d) to choose?
  • 5. How much is the purchase quantity? (Different purchase quantity, different discounts)

MCB FAQs

NDB1 series 1P & 2P AC circuit breakers can also be applied to: DC60V, DC80V
NDB2-63 series, NDB1-125 series have UL1077 certification
1~2 weeks
NDB6-125:1P AC circuit breaker can also be applied to DC60V, DC80V, DC125V
NDB1-63 series, NDB1-125 series
Carton packaging, can be palletized according to customer needs

Nader Moulded Case Circuit Breaker (MCCB)

Moulded Case Circuit Breaker (MCCB) is manually operated or electrically closed. After the main contact is closed, the free trip mechanism locks the main contact in the closing position. The coil of the overcurrent release and the thermal element of the thermal release are connected in series with the main circuit, and the coil of the undervoltage release is connected in parallel with the power supply.

NDM2 Series MCCB
NDM2 Series MCCB

NDM3 Series MCCB
NDM3 Series MCCB

NDM5 Series MCCB
NDM5 Series MCCB

MCCB series technical parameters & datasheet

Number of poles 2P, 3P, 4P
Rated current In 40℃ (amp) 10A, 12.5A, 16A, 20A, 25A, 32A, 40A, 50A, 63A, 80A, 100A, 125A, 140A, 160A, 180A, 200A, 225A, 250A, 315A, 350A, 400A, 500A, 630A, 700A, 800A, 1000A, 1250A.
Rated operational voltage Ue AC400V, AC415V, AC440V, AC500V, AC550V, AC690V, AC800V, AC1000V, DC250V, DC500V, DC600V, DC750V, DC1000V, DC1200V, DC1500V
Certificate CCC, CE, TUV, UL
Special application
  • 5G communication (NDM2 Series, NDM5 Series), data center (NDM2 Series), solar energy (photovoltaic): combiner box, distributor box (NDM3 Series, NDM5 Series).
  • 5G communications and photovoltaics are nader's key industries. Products are widely used in the United States (Cisco, Emerson), Canada, Brazil, Spain, Sweden (Ericsson), Finland (Nokia), Germany (Siemens), Italy, United Kingdom, South Korea (Samsung), Vietnam, Malaysia, Philippines.
  • OEM equipment, switch cabinets, distribution boxes.
Price Currently EXW, FOB, CIF terms prices can be implemented, and different purchase quantities can enjoy different discounted prices. The main price factors are: voltage, current, number of poles, segmentation capacity, and purchase quantity; Please submit your requirements immediately to get the best discount quotation!
Datasheet
Top Series NDM2 NDM2E NDM2Z NDM2ZB NDM3 NDM3E NDM3G NDM3L NDM3Z NDM5 NDM5E NDM5Z
How to choose MCCB step by step?
  • 1. Is the voltage AC or DC?
  • 2. What is the rated current (amp)?
  • 3. What is the number of poles?
  • 4. How much kA is the segmentation capacity (Icu)?
  • 5. How much is the purchase quantity? (Different purchase quantity, different discounts)

MCCB FAQs

AC1000V, DC1500V
1250A
3~4 weeks
Carton packaging, can be palletized according to customer needs.

Nader Air Circuit Breaker (ACB)

Air Circuit Breaker (ACB) is a three-dimensional arrangement. The contact system and the left and right side plates of the instantaneous overcurrent release are all installed on an insulating board. The upper part is equipped with an arc extinguishing system, and the operating mechanism can be installed on the front or right side, with "open" and "close" instructions and manual disconnect buttons. The shunt release is installed on the upper left side, and the undervoltage release connected to the tripping shaft is installed on the back.

NDW2 Series ACB
NDW1A Series ACB

NDW2 Series ACB
NDW2 Series ACB

NDW3 Series ACB
NDW3 Series ACB

ACB series technical parameters & datasheet

Number of poles 3P, 4P
Rated current In 40℃ (amp) 200A, 400A, 630A, 700A, 800A, 1000A, 1250A, 1600A, 2000A, 2500A, 2900A, 3200A, 4000A, 5000A, 6300A.
Rated operational voltage Ue 220V, 230V, 380V, 400V, 415V, 440V, 660V, 690V, 800V, 1000V.
Certificate CCC, CE, TUV, UL
Special application
  • Data center (NDW1A Series, NDW2 Series), solar (photovoltaic): inverters (NDW2 Series, NDW3 Series), power distribution cabinets (NDW2 Series).
  • Products are widely used in the United States, Brazil, Spain, India, Saudi Arabia, Australia, South Korea, Vietnam, Malaysia, Philippines
Price Currently EXW, FOB, CIF terms prices can be implemented, and different purchase quantities can enjoy different discounted prices. The main price factors are: voltage, current, number of poles, segmentation capacity, and purchase quantity; Please submit your requirements immediately to get the best discount quotation!
Datasheet
Top Series NDW3 NDW2
How to choose ACB step by step?
  • 1. Is the voltage AC or DC?
  • 2. What is the rated current (amp)?
  • 3. What is the number of poles?
  • 4. How much kA is the segmentation capacity (Icu)?
  • 5. Which frame type? Fixed or drawer
  • 6. How much is the purchase quantity? (Different purchase quantity, different discounts)

ACB FAQs

AC1000V, DC1500V
6300A
4~5 weeks
Special wooden box packaging for export

Why Choose Nader?

  • ...

    Leading Manufacturer

    Nader take the high-end low-voltage electrical system solutions as the business positioning, who is the largest professional manufacturer and supplier of circuit breaker at high-end market in China.

  • ...

    Technology Driven

    Nader is a company by technology R&D oriented dedicates, who's R&D center is a "National Enterprise Technology Center" of circuit breakers, and is also an International cooperation test center.

  • ...

    High Quality

    Nader regards product quality as dignity, and follows the concept of no accepting non-conforming products, not makes nonconforming products, not sells nonconforming products, to provide clients with high-quality products.

  • ...

    Competitive Price

    Nader adopts the lean production and automation technology method while enjoying the dividend of manufacturing cost advantage in China, so Nader's products price is very competitive in the market.

Nader Typical Customer

If you have any product purchase questions / technical support / business cooperation, please contact us immediately and we will answer your questions for free at the first time!