Name: NB2-40ZT Smart Miniature Circuit Breaker
Brand: Chint

NB2-40ZT Smart Miniature Circuit Breaker

The NB2-40ZT Smart Miniature Circuit Breaker offers comprehensive electrical protection, safeguarding circuits against overload, short-circuit, overvoltage, and undervoltage. Beyond standard protection, this intelligent device enables remote control, provides real-time electrical parameter measurement (voltage, current, power), and allows for networking via RS485 or Bluetooth. It's an ideal solution for modernizing power distribution, enhancing efficiency, and ensuring robust safety in diverse environments, from residential and smart buildings to commercial and industrial electrical systems.

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FAQs

What makes the NB2-40ZT a “smart” circuit breaker?

It integrates digital communication, remote control, and energy monitoring into a traditional MCB, allowing real-time supervision and control via RS485 or Bluetooth.

How does it enhance safety compared to standard MCBs?

It offers multi-layered protection — including overload, short-circuit, over/under-voltage, and phase open protection, ensuring comprehensive electrical safety.

Can the NB2-40ZT be controlled remotely?

Yes. Through RS485 or Bluetooth, it can be switched ON/OFF or reset remotely and integrated with CHINT smart platforms.

What type of loads is the NB2-40ZT suitable for?

It uses a Type C tripping curve, ideal for resistive and inductive loads such as lighting, HVAC, and motor-driven circuits.

Can it replace a conventional MCB in existing panels?

Yes. Its standard 18 mm width and DIN rail compatibility make it a drop-in replacement for conventional MCBs, adding smart functionality without extra space requirements.

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NB2-40ZT Smart Miniature Circuit Breaker

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