chint mcb nb1-63b1p06 6a, 1p 6ka sp b curve

Why Choose the Chint NB1-63B1P06 Miniature Circuit Breaker?

The Chint NB1-63B1P06 is a compact and dependable miniature circuit breaker (MCB) designed to protect low voltage electrical circuits against overloads and short circuits. As part of the Chint NB1-63 series, it provides reliable circuit protection for residential, commercial and light industrial installations.

This 1 pole B curve MCB features a 6 A rated current, making it ideal for lighting circuits, control circuits, auxiliary supplies and other low current electrical applications. The B curve tripping characteristic provides fast operation for circuits with low inrush currents.

With a rated short-circuit breaking capacity of 6 kA and a standard 35 mm DIN rail mounting format, the NB1-63B1P06 is easy to install within consumer units, distribution boards and control panels. Its compact modular design ensures straightforward installation and dependable long-term performance.

Key Advantages

• Compact 1 pole miniature circuit breaker.
• 6 A rated current for low current circuits.
• B curve trip characteristic for circuits with low inrush current.
• 6 kA short-circuit breaking capacity.
• Reliable overload and short-circuit protection.
• Quick DIN rail installation in distribution boards and consumer units.

Key Features

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

Technical Specifications

• Manufacturer: Chint
• Series: NB1-63
• Model: NB1-63B1P06
• Product type: Miniature circuit breaker / MCB
• Rated current: 6 A
• Number of poles: 1 pole
• Tripping characteristic: B curve
• Rated voltage: 230 V AC
• Rated frequency: 50 / 60 Hz
• Rated short-circuit 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

Reliable Protection for Lighting and Low Current Circuits

Miniature circuit breakers such as the Chint NB1-63B1P06 automatically disconnect electrical circuits when overloads or short circuits occur. This helps protect cables, connected equipment and electrical installations from damage caused by excessive current.

The B curve characteristic makes this MCB suitable for circuits with low inrush currents, including lighting circuits, auxiliary supplies and general low current electrical loads. Its modular DIN rail design allows straightforward integration into new or existing distribution systems.

Typical Applications

• Residential consumer units.
• Commercial distribution boards.
• Lighting circuits.
• Control panels and auxiliary supplies.
• Low current electrical circuits.
• General electrical installations requiring 6 A protection.

Trusted by Electrical Professionals Worldwide

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