Circuit Breakers

There are 50 products

  • 3P Miniature Circuit Breaker(MCB)

    Brand:NTITC

    Model No:6NTB

    Miniature Circuit Breaker is a widely used terminal protection device in electrical terminal distribution systems. It is suitable for circuits with alternating current of 50/60Hz, rated voltage of 230/400V and rated current up to 125A, mainly used...

  • 1P+N/Residual Current Circuit Breaker(RCB)

    Brand:NTITC

    Model No:6NTBL

    The Residual Current Circuit Breaker Series, also known as residual current operated protective devices (RCDs), is an electrical safety device that integrates overload protection, short-circuit protection and residual current protection functions....

  • 3P/Residual Current Circuit Breaker(RCB)

    Brand:NTITC

    Model No:6NTBL

    The Residual Current Circuit Breaker Series, also known as residual current operated protective devices (RCD), is an electrical safety device that integrates overload protection, short-circuit protection and residual current protection functions. It...

  • 2P/Residual Current Circuit Breaker(RCB)

    Brand:NTITC

    Model No:6NTBL

    The Residual Current Circuit Breaker Series, also known as residual current operated protective devices (RCD), is an electrical safety device that integrates overload protection, short-circuit protection and residual current protection functions. It...

  • 3P+N/Residual Current Circuit Breaker(RCB)

    Brand:NTITC

    Model No:6NTBL

    The Residual Current Circuit Breaker Series, also known as residual current operated protective device (RCD), is an electrical safety device that integrates overload protection, short-circuit protection and residual current protection functions. It...

  • Miniature Isolating Switch 1P

    Brand:NTITC

    Model No:6NTBK

    The Miniature Isolating Switch Series is a type of manual electrical switching device applied in power distribution systems, whose primary function is to cut off the power supply during circuit inspection, maintenance or repair, forming a visible...

  • Miniature Isolating Switch 2P

    Brand:NTITC

    Model No:6NTBK

    The Miniature Isolating Switch Series is a type of manual electrical switching device applied in power distribution systems, whose primary function is to cut off the power supply during circuit inspection, maintenance or repair, forming a visible...

  • Miniature Isolating Switch 3P

    Brand:NTITC

    Model No:6NTBK

    The Miniature Isolating Switch Series is a type of manual electrical switching device applied in power distribution systems, whose primary function is to cut off the power supply during circuit inspection, maintenance or repair, forming a visible...

  • 4P/Residual Current Circuit Breaker(RCB)

    Brand:NTITC

    Model No:6NTBL

    The Residual Current Circuit Breaker Series, also known as residual current operated protective devices (RCDs), is an electrical safety device that integrates overload protection, short-circuit protection and residual current protection functions....

  • Miniature Isolating Switch 4P

    Brand:NTITC

    Model No:6NTBK

    The Miniature Isolating Switch Series is a type of manual electrical switching device applied in power distribution systems, whose primary function is to cut off the power supply during circuit inspection, maintenance or repair, forming a visible...

  • Miniature Circuit Breaker(DC MCB)

    Brand:NTITC

    Model No:6NTB

    DC Miniature Circuit Breaker Series is a dedicated terminal protection device designed for DC power distribution systems. It is mainly applicable to DC circuits with rated voltages such as DC24V, DC48V, DC120V and DC250V, featuring overload and...

  • Self-resetting Over/Under Voltage Protector

    Brand:NTITC

    Model No:6NTZFS

    The 6NTZFS series self-resetting over/under voltage protector is a dedicated device for voltage safety protection of power distribution lines, which can effectively prevent damage to downstream electrical equipment caused by grid voltage...

  • Dual Power Switch(PC Grade) 1600A

    Brand:NTITC

    Model No:6NTQ1

    The 6NTQ1 Series Automatic Transfer Switch is mainly used in AC 50Hz power distribution or motor networks with a rated operating voltage of 400V and a rated current ranging from 16A to 100A. It applies to power supply switching systems with one main...

  • Dual Power Switch(PC Grade) 100A

    Brand:NTITC

    Model No:6NTQ1

    The 6NTQ1 Series Automatic Transfer Switch is mainly used in AC 50Hz power distribution or motor networks with a rated operating voltage of 400V and a rated current ranging from 16A to 100A. It applies to power supply switching systems with one main...

  • Dual Power Switch(PC Grade) 160A

    Brand:NTITC

    Model No:6NTQ1

    The 6NTQ1 Series Automatic Transfer Switch is mainly used in AC 50Hz power distribution or motor networks with a rated operating voltage of 400V and a rated current ranging from 16A to 100A. It applies to power supply switching systems with one main...

  • Dual Power Switch(PC Grade) 250A

    Brand:NTITC

    Model No:6NTQ1

    The 6NTQ1 Series Automatic Transfer Switch is mainly used in AC 50Hz power distribution or motor networks with a rated operating voltage of 400V and a rated current ranging from 16A to 100A. It applies to power supply switching systems with one main...

  • Dual Power Switch(PC Grade) 630A

    Brand:NTITC

    Model No:6NTQ1

    The 6NTQ1 Series Automatic Transfer Switch is mainly used in AC 50Hz power distribution or motor networks with a rated operating voltage of 400V and a rated current ranging from 16A to 100A. It applies to power supply switching systems with one main...

  • 5000A/Air Circuit Breaker(ACB) 5000A

    Brand:NTITC

    Model No:6NTA50

    The 6NTA Series Air Circuit Breakers are suitable for AC 50/60 Hz power supply and distribution networks with a rated operating voltage of 415 V AC/690 V AC. They are designed to distribute electrical energy and protect lines and power supply...

  • Dual Power Switch(CB Grade) 63A

    Brand:NTITC

    Model No:6NTQ3

    This series of Automatic Transfer Switches (ATS) adopts an electromechanical integrated design, featuring accurate and reliable switching, excellent electromagnetic compatibility, strong anti-interference capability and high automation level. This...

  • Dual Power Switch(CB Grade) 125A 250A 630A

    Brand:NTITC

    Model No:6NTQ3

    This series of Dual Power Automatic Transfer Switches features an electromechanical integrated design, with accurate and reliable switching performance, excellent electromagnetic compatibility, strong anti-interference capability and high automation...

  • 630A/ Isolating Switch 630A

    Brand:NTITC

    Model No:6NTG

    The 6NTG series isolating switch is suitable for circuits with AC 50Hz, rated voltage of 400V and below, and rated current of 63A~630A. It is used for infrequent manual making and breaking of circuits, with the 690V specification product only for...

  • 1600A/ Isolating Switch 1600A

    Brand:NTITC

    Model No:6NTG

    The 6NTG series isolating switch is suitable for circuits with AC 50Hz, rated voltage of 400V and below, and rated current of 630A~1600A. It is used for infrequent manual making and breaking of circuits, with the 690V specification product only for...

  • Intelligent Power Distribution Switch with Metering

    Brand:NTITC

    Model No:6NTMU

    Series 6NTMU Intelligent Measurement Switch is a new type of low-voltage switching device that integrates high-precision current sensors, measurement units, and protection units. Adopting the design concept of primary-secondary separation and...

  • Fuse Type Isolating Switch

    Brand:NTITC

    Model No:6NTH

    The 6NTH Series In-line Fuse Switches are suitable for low-voltage distribution systems with a rated voltage of 690V or below. With fuses as the core protection components, these switches provide reliable overcurrent and short-circuit protection....

The Circuit Breaker is a core electrical component engineered to control, protect and distribute electrical energy in power systems. Designed for both industrial and residential applications, it serves as a critical link between power sources and end-use devices, enabling safe on/off operations and efficient load allocation.
 
Available in high-voltage and low-voltage variants, these switches feature robust construction, excellent insulation performance and reliable overload protection to prevent electrical hazards. Easy to install and maintain, they seamlessly integrate into power distribution cabinets, adapting to diverse scenarios from factory workshops and commercial buildings to home electrical systems. Ideal for Power Quality optimization, this essential device ensures stable power supply, safeguarding equipment and personnel alike.

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