NM8-125S-3P-125A-KIT Chint 125A 3 Pole Adjustable Thermal MCCB

NM8-125S-3P-125A-KIT Chint 125A 3 Pole Adjustable Thermal MCCB

Chint NM8-125S-3P-125A-KIT moulded case circuit breaker with 125A rated current, 3-pole configuration, adjustable thermal magnetic protection and 50kA breaking capacity for low-voltage electrical distribution.

SKU: NM8-125S-3P-125A-KITAlt SKU: NM8125S3P125AMPN: NM8-125S-3P-125A-KIT
Price
List Price £269.78 ex VAT
Your Price (ex VAT) Save 55%
£121.40 55% OFF
You save £148.38 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) £121.40
Trade pricing is personalised to your account

Manufacturer Lead Time

£121.40

Why Choose the Chint NM8-125S-3P-125A-KIT MCCB?

The Chint NM8-125S-3P-125A-KIT is a robust moulded case circuit breaker (MCCB) designed to provide dependable overload and short circuit protection for low-voltage electrical distribution systems. As part of the Chint NM8 series, it offers reliable circuit protection for commercial, industrial and panel-building applications where safety, continuity and compact installation are essential.

This MCCB features adjustable thermal magnetic protection, combining thermal overload protection with magnetic short circuit protection. The adjustable overload setting allows engineers and panel builders to coordinate protection with cable sizes, connected loads and downstream equipment, helping improve installation flexibility and system reliability.

With a 125 A rated current, 3-pole configuration and 50 kA breaking capacity, the NM8-125S-3P-125A-KIT is suitable for three-phase distribution boards, industrial switchboards, machinery supplies, motor control panels and commercial electrical installations requiring dependable MCCB protection.

Key Advantages

  • Reliable moulded case circuit breaker for low-voltage protection.
  • 125 A rated current suitable for commercial and industrial circuits.
  • 3-pole configuration for three-phase electrical distribution systems.
  • 50 kA short circuit breaking capacity for dependable fault protection.
  • Adjustable thermal magnetic trip unit for overload and short circuit protection.
  • Compact frame design for panel and switchboard installation.
  • Suitable for contractors, panel builders and maintenance engineers.

Key Features

  • Chint NM8 series MCCB.
  • 125 A rated current.
  • 3-pole design.
  • 50 kA breaking capacity.
  • Adjustable thermal magnetic protection.
  • Provides overload and short circuit protection.
  • Suitable for AC low-voltage power distribution systems.
  • Compact frame design for electrical panels and switchboards.

Reliable MCCB Protection for Electrical Distribution

Moulded case circuit breakers such as the Chint NM8-125S-3P-125A-KIT protect cables, switchgear and connected equipment by disconnecting circuits during overload or short circuit conditions. This helps reduce the risk of electrical damage and supports safer operation across low-voltage installations.

The NM8 range is widely used in distribution panels, control systems and machinery applications where adjustable protection, high breaking capacity and straightforward installation are required.

Typical Applications

  • Three-phase electrical distribution panels.
  • Industrial control panels and switchboards.
  • Motor control and machinery circuits.
  • Commercial building services.
  • Manufacturing and process equipment.
  • Panel building and electrical maintenance projects.

Technical Specifications

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

Mounting Type Fixed
Application Power distribution
Current 125 A
Phase Three Phase
Poles 3-pole
Device Type MCCB
Breaking Capacity 50 kA
Trip Unit Thermal-magnetic
Manufacturer Chint
Series NM8
Model NM8-125S-3P-125A-KIT
Product type Moulded Case Circuit Breaker (MCCB)
Rated current 125 A
Number of poles 3 Pole
Trip unit Adjustable thermal magnetic
Breaking capacity 50 kA
Rated operational voltage Up to 690 V AC
Rated insulation voltage 800 V
Rated impulse withstand voltage 8 kV
Frequency 50 / 60 Hz
Protection functions Overload and short circuit protection
Mounting type Panel / switchboard mounting
Standard IEC/EN 60947-2

Frequently Asked Questions

What is the Chint NM8-125S-3P-125A-KIT used for?

It is used to protect three-phase low-voltage electrical circuits against overloads and short circuits in commercial, industrial and machinery applications.

What is the rated current of this MCCB?

The NM8-125S-3P-125A-KIT has a 125 A rated current.

How many poles does this breaker have?

This model has a 3-pole configuration, making it suitable for three-phase electrical circuits.

What breaking capacity does this MCCB provide?

The Chint NM8-125S-3P-125A-KIT provides a 50 kA short circuit breaking capacity.

What type of protection does the breaker use?

It uses an adjustable thermal magnetic trip unit to provide overload and short circuit protection.

Trusted by Electrical Professionals Worldwide

Chint NM8 moulded case circuit breakers are used by panel builders, contractors and maintenance engineers to provide dependable low-voltage circuit protection across commercial and industrial installations.