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NKB1 Control & Protective Switching Device
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Low Voltage IEC Industrial Control NKB1 Control & Protective Switching Device
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NKB1 Control & Protective Switching Device
NKB1 Control & Protective Switching Device

NKB1 Control & Protective Switching Device

The CHINT NKB1 Control & Protective Switching Device (CPSD) is a multifunctional motor starter that integrates control, protection, and isolation into one compact unit. Designed for direct-on-line (DOL) motor starting, it ensures reliable short-circuit and overload protection, while simplifying wiring and maintenance. With a wide control voltage range and modular accessories, the NKB1 offers high efficiency and safety for industrial machinery, HVAC systems, and automation control panels .

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Product Information

Name
Size
Release time
Operate
NKB1-Direct Online Starters-catalog.pdf
805.56KB
2025-03-07
Download
Name
Size
Release time
Operate
2003-NKB1-CPS-Manual.pdf
266.52KB
2025-03-07
Download
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FAQs

 

What is the main function of the NKB1 Control & Protective Switching Device?

It combines motor control, overload protection, and circuit isolation into one device, reducing the need for separate contactors and breakers.

 

What type of motors can it protect?

The NKB1 is designed for AC induction motors up to 11 kW, making it ideal for pumps, fans, and small industrial machines.

 

Does it provide both control and protection?

Yes. It provides short-circuit, overload, and phase-failure protection, while also functioning as a contactor for motor start/stop control.

 

Can it be mounted on a DIN rail?

Yes. The NKB1 supports both DIN rail and panel mounting, allowing flexible installation in control cabinets.

 

What accessories are available?

Optional accessories include auxiliary contacts, interlocks, and busbar connection kits to expand functionality in motor control systems.

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