Chint NB1-63B1P01 MCB - 1P - B Curve - 1A - 6kA

Chint NB1-63B1P01 MCB – 1P – B Curve – 1A – 6kA

Chint NB1-63B1P01 1 pole miniature circuit breaker with 1 A rating, B curve trip characteristic and 6 kA breaking capacity for overload and short-circuit protection.

SKU: NB1-63B1P01Alt SKU: NB163B1P01MPN: NB1-63B1P01
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21 in stock (can be backordered)

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Why Choose the Chint NB1-63B1P01 Miniature Circuit Breaker?

The Chint NB1-63B1P01 is a high-quality miniature circuit breaker (MCB) designed to provide dependable overload and short-circuit protection for low voltage electrical installations. As part of the proven Chint NB1-63 series, it delivers reliable circuit protection for residential, commercial and light industrial applications.

This 1 pole B curve MCB features a 1 A rated current and a 6 kA breaking capacity, making it ideal for protecting low current lighting circuits, control circuits and sensitive electrical equipment. The B curve trip characteristic provides fast protection for circuits with low inrush currents.

Designed for installation on a standard 35 mm DIN rail, the NB1-63B1P01 offers quick installation, dependable performance and a compact modular design suitable for modern distribution boards and consumer units.

Key Advantages

  • Compact 1 pole miniature circuit breaker.
  • 1 A current rating for low current circuits.
  • B curve trip characteristic for resistive loads.
  • 6 kA short-circuit breaking capacity.
  • Reliable overload and short-circuit protection.
  • Simple DIN rail installation for distribution boards.

Key Features

  • Chint NB1-63 series MCB.
  • 1 A rated current.
  • B curve characteristic.
  • 1 pole configuration.
  • 6 kA breaking capacity.
  • 230 V AC rated voltage.
  • DIN rail mounting.
  • Suitable for overload, short-circuit and isolation functions.

Reliable Protection for Low Voltage Circuits

The Chint NB1-63B1P01 automatically disconnects electrical circuits when overloads or short circuits occur, helping prevent cable damage and reducing the risk of electrical faults. Its B curve characteristic is particularly suited to lighting circuits and other resistive loads with low starting currents.

Its compact modular design allows easy installation within consumer units, distribution boards and electrical control panels, making it suitable for both new installations and maintenance projects.

Typical Applications

  • Residential consumer units.
  • Commercial distribution boards.
  • Lighting circuits.
  • Control panels.
  • Low current electrical circuits.
  • General electrical installations.

Technical Specifications

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Current 1 A
Phase Single Phase
Poles 1-pole
Device Type MCB
Trip Curve B curve
Breaking Capacity 6 kA
Manufacturer Chint
Series NB1-63
Model NB1-63B1P01
Product type Miniature circuit breaker (MCB)
Rated current 1 A
Number of poles 1 Pole
Tripping characteristic B Curve
Rated voltage 230 V AC
Frequency 50 / 60 Hz
Rated breaking capacity 6 kA
Rated insulation voltage 500 V
Rated impulse withstand voltage 4 kV
Protection rating IP20
Mounting type 35 mm DIN rail
Standards IEC / EN 60898-1

Frequently Asked Questions

What is the Chint NB1-63B1P01 used for?

The NB1-63B1P01 protects electrical circuits against overloads and short circuits in residential, commercial and industrial installations.

What current rating does this MCB have?

This miniature circuit breaker has a rated current of 1 A.

What does the B curve characteristic mean?

A B curve MCB trips between 3 and 5 times its rated current, making it suitable for lighting and other resistive loads with low inrush currents.

What is the breaking capacity?

The NB1-63B1P01 has a rated short-circuit breaking capacity of 6 kA.

How is this MCB installed?

The breaker is designed for installation onto a standard 35 mm DIN rail inside consumer units, distribution boards and electrical panels.

Trusted by Electrical Professionals Worldwide

Chint NB1 miniature circuit breakers are trusted by electricians, panel builders and maintenance engineers for dependable circuit protection across residential, commercial and industrial electrical installations.