nxb-63-1p-b16 chint 16a b curve 1p 6ka miniture circuit breaker

nxb-63-1p-b16 chint 16a b curve 1p 6ka miniture circuit breaker

Chint NXB-63-1P-B16 miniature circuit breaker, a 16 A B curve 1 pole 6 kA MCB for overload and short-circuit protection in residential, commercial and light industrial electrical installations.

SKU: NXB-63-1P-B16Alt SKU: NXB631PB16MPN: NXB-63-1P-B16
Price
List Price £4.55 ex VAT
Your Price (ex VAT) Save 55%
£2.05 55% OFF
You save £2.50 per unit
Manufacturer Lead Time Please contact us for a delivery time before you order
Get the best trade prices Trade exclusive

Create an online account to unlock exclusive pricing, special offers and more.

Create an online account Quick & easy setup
SUBTOTAL (EX VAT) £2.05
Trade pricing is personalised to your account

Manufacturer Lead Time

£2.05

Why Choose the Chint NXB-63-1P-B16 Miniature Circuit Breaker?

The Chint NXB-63-1P-B16 is a reliable single pole miniature circuit breaker (MCB) designed to protect electrical circuits against overload and short-circuit faults. As part of the Chint NXB-63 MCB series, it is suitable for residential, commercial and light industrial low voltage electrical installations.

Featuring a 16 A rated current and a B curve thermal-magnetic trip characteristic, this MCB is suitable for circuits with relatively low inrush currents, including lighting, small power and general distribution circuits. Its compact DIN rail format allows straightforward installation in compatible consumer units, distribution boards and control panels.

With a 6 kA short-circuit breaking capacity, 230 V AC single-phase rating and compliance with IEC/EN 60898-1, the NXB-63-1P-B16 delivers dependable protection and safe isolation for modern electrical systems.

Key Advantages

  • Reliable 16 A single pole miniature circuit breaker.
  • B curve tripping characteristic for low inrush current circuits.
  • 6 kA breaking capacity for dependable fault protection.
  • Provides overload protection, short-circuit protection and positive isolation.
  • Compact DIN rail mounting for fast installation.
  • Suitable for domestic, commercial and light industrial circuit protection.

Key Features

  • Chint NXB-63 miniature circuit breaker series.
  • 1 pole configuration.
  • 16 A rated current.
  • B curve trip characteristic.
  • 6 kA rated short-circuit breaking capacity.
  • 230 V AC rated voltage.
  • Thermal-magnetic release for overload and short-circuit protection.
  • Compatible with standard 35 mm DIN rail distribution systems.

Reliable Protection for Low Voltage Circuits

Miniature circuit breakers such as the Chint NXB-63-1P-B16 automatically disconnect electrical circuits when overload or short-circuit faults occur. This helps protect cables, equipment and connected loads from damage caused by excessive current.

The B curve characteristic makes this breaker suitable for circuits with relatively low starting currents. Its compact modular design and DIN rail compatibility make it a practical choice for electricians working on consumer units, distribution boards and electrical control panels.

Typical Applications

  • Residential lighting and small power circuits.
  • Commercial electrical distribution.
  • Consumer units and distribution boards.
  • Control panels and auxiliary circuits.
  • General low voltage circuit protection.
  • Domestic, commercial and light industrial installations.

Technical Specifications

Tick the specs you need, then view products that match.

Current 16 A
Phase Single Phase
Poles 1-pole
Device Type MCB
Trip Curve B curve
Breaking Capacity 6 kA
Manufacturer Chint
Series NXB-63
Model NXB-63-1P-B16
Product type Miniature circuit breaker
Number of poles 1 pole
Rated current 16 A
Trip curve B curve
Rated voltage 230 V AC
Frequency 50 / 60 Hz
Rated short-circuit breaking capacity 6 kA
Rated impulse withstand voltage 4 kV
Mechanical life 20,000 operations
Electrical life 10,000 operations
Standard IEC / EN 60898-1
Mounting type 35 mm DIN rail
Protection functions Overload protection, short-circuit protection and isolation

Frequently Asked Questions

What is the Chint NXB-63-1P-B16 used for?

The Chint NXB-63-1P-B16 is used to protect single-phase electrical circuits against overload and short-circuit faults in consumer units, distribution boards and control panels.

What current rating does this MCB have?

The NXB-63-1P-B16 has a rated current of 16 A.

What does B curve mean on this breaker?

A B curve MCB is designed for circuits with relatively low inrush currents, making it suitable for lighting, small power and similar general-purpose applications.

What is the breaking capacity of the NXB-63-1P-B16?

The breaker has a rated short-circuit breaking capacity of 6 kA.

How is this MCB installed?

The Chint NXB-63-1P-B16 is designed for installation on a standard 35 mm DIN rail inside compatible consumer units, distribution boards and electrical panels.

Trusted by Electrical Installers Worldwide

Chint NXB-63 miniature circuit breakers are trusted by electricians and contractors for dependable overload protection, short-circuit protection and safe circuit isolation across modern low voltage electrical installations.