Home
Products
Low Voltage
Power Transmission and Distribution
Low Voltage Switchgear and Software
Instruments & Meters
EV Charging
IEC

UL

Transmission

Distribution

Power Quality & Automation

Main Distribution Board

Sub Distribution Board

Final Distribution Box

Software

Intelligent Solution

Core Parts

Gas Meter

Electricity Meter

EV Charger

Main Power Distribution Sub Power Distribution Final Power Distribution Industrial Control
Main Power Distribution(UL) Sub Power Distribution(UL) Final Power Distribution(UL) Industrial Control(UL)
Solutions
Power Utility
OEM
Telecom & Data Center
New Energy
Industry
Buildings
Transmission Grid

Distribution Grid

Generator Equipment

Modern Logistics Equipment

Pumps and Vacuum Equipment

Food and Beverage

Mining Machinery

HVAC

Elevator

Data Center

Residential PV & ESS

Utility PV & ESS

Commercial and Industry PV

BESS

Metallurgical

Oil & Gas

Rail Transportation

Mining and Petrochemical

Buildings

Substation Mobile Substations
Micro-Grid Solution Intelligent Power Distribution Solutions
Generator Control System Solution Generator Dual Power Supply Control System Solution Diesel Generator
Conveyor Control Box Solution Control Box Solution for Telescopic Conveyor Lifts
Water Supply Control System Solution Sewage Control System Solution Fire Pump Control System Solution
Food and Beverage Control System Solution
Sand and Gravel Production Line Electrical Control System Solution
Containerised Solution Fusion Module Solution
Residential Solar Power Solution
Utility Scale Power Storage Solution C&I Storage Solution
High, Medium, and Low Voltage Digital Distribution Solution Intelligent Motor Control Center Solution
Refining Production Power Distribution and DCS Control System Solution Oilfield Extraction Power Distribution Solution Integrated Electrical Control and Instrumentation Solution for Oil and Petrochemical Industries
Power Transmission and Distribution Low Voltage Intelligent Distribution Low Voltage Control and Protection Low Voltage Distribution and Control Low Voltage Motor Control Low Voltage Reactive Power Compensation
Main Distribution System Solution Secondary Distribution System Solution Final Distribution System Solution Capacitor Cabinet Solution Elevator Control Solution Emergency Lighting Solution Fan Control Solution Meter Box Solution Pump Room Solution SVG Capacitor Solution
Sustainability
Services
Service Center
Download Center
Contact Us
Find a local subsidiary

Product Documents

Solutions

Cases

Corporate Report

Contact Us

Call Us 400-117-7797
Email Us global-sales@chint.com
About Us
About CHINT
News Center
Careers
Manufacturing Sites

Intelligent Electrical Laboratory Center

Process Engineering Center

News

Blog

Please enter keywords to search

Global |EN

Choose your country & Language

Global English
Group
English
|
Chinese

Asia Pacific

Australia & New Zealand
English
India
English
Indonesia
English | Indonesian
Korea
Korean
Malaysia
English
Philippines
English
Singapore
English
Singapore (Sunlight)
English
Vietnam
English | Vietnamese

Middle East & Africa

CHINT-EGEMAC
English
Saudi Arabia
English
South Africa
English
UAE
English
CHINT AJLAN
English | Arabic

Europe

France
French
Italy
Italian
Spain
Spanish
Turkey
Turkish
Kazakhstan
Russian
Netherlands
Dutch

North America

Mexico
Spanish

Latin America

Brazil
Portuguese
Colombia
Spanish
Ecuador
Spanish
Peru
Spanish
Home
Products
Solutions
Sustainability
Services
About Us
Main Menu
Home
Main Menu
Products
Low Voltage
Power Transmission and Distribution
Low Voltage Switchgear and Software
Instruments & Meters
EV Charging
Main Menu
Solutions
Power Utility
OEM
Telecom & Data Center
New Energy
Industry
Buildings
Main Menu
Sustainability
Main Menu
Services
Service Center
Download Center
Contact Us
Main Menu
About Us
About CHINT
News Center
Careers
Low Voltage
IEC
UL
Power Transmission and Distribution
Transmission
Distribution
Power Quality & Automation
Low Voltage Switchgear and Software
Main Distribution Board
Sub Distribution Board
Final Distribution Box
Software
Intelligent Solution
Core Parts
Instruments & Meters
Gas Meter
Electricity Meter
EV Charging
EV Charger
Power Utility
Transmission Grid
Distribution Grid
OEM
Generator Equipment
Modern Logistics Equipment
Pumps and Vacuum Equipment
Food and Beverage
Mining Machinery
HVAC
Elevator
Telecom & Data Center
Data Center
New Energy
Residential PV & ESS
Utility PV & ESS
Commercial and Industry PV
BESS
Industry
Metallurgical
Oil & Gas
Rail Transportation
Mining and Petrochemical
Buildings
Buildings
Service Center
Find a local subsidiary
Download Center
Product Documents
Solutions
Cases
Corporate Report
Contact Us
Contact Us

Call Us 400-117-7797
Email Us global-sales@chint.com
About CHINT
Manufacturing Sites
Intelligent Electrical Laboratory Center
Process Engineering Center
News Center
News
Blog
Careers
IEC
Main Power Distribution Sub Power Distribution Final Power Distribution Industrial Control
UL
Main Power Distribution(UL) Sub Power Distribution(UL) Final Power Distribution(UL) Industrial Control(UL)
Transmission Grid
Substation Mobile Substations
Distribution Grid
Micro-Grid Solution Intelligent Power Distribution Solutions
Generator Equipment
Generator Control System Solution Generator Dual Power Supply Control System Solution Diesel Generator
Modern Logistics Equipment
Conveyor Control Box Solution Control Box Solution for Telescopic Conveyor Lifts
Pumps and Vacuum Equipment
Water Supply Control System Solution Sewage Control System Solution Fire Pump Control System Solution
Food and Beverage
Food and Beverage Control System Solution
Mining Machinery
Sand and Gravel Production Line Electrical Control System Solution
Data Center
Containerised Solution Fusion Module Solution
Residential PV & ESS
Residential Solar Power Solution
BESS
Utility Scale Power Storage Solution C&I Storage Solution
Metallurgical
High, Medium, and Low Voltage Digital Distribution Solution Intelligent Motor Control Center Solution
Oil & Gas
Refining Production Power Distribution and DCS Control System Solution Oilfield Extraction Power Distribution Solution Integrated Electrical Control and Instrumentation Solution for Oil and Petrochemical Industries
Mining and Petrochemical
Power Transmission and Distribution Low Voltage Intelligent Distribution Low Voltage Control and Protection Low Voltage Distribution and Control Low Voltage Motor Control Low Voltage Reactive Power Compensation
Buildings
Main Distribution System Solution Secondary Distribution System Solution Final Distribution System Solution Capacitor Cabinet Solution Elevator Control Solution Emergency Lighting Solution Fan Control Solution Meter Box Solution Pump Room Solution SVG Capacitor Solution

Choose your country & Language

Global English
Group
English
|
Chinese
Australia & New Zealand
English
India
English
Indonesia
English | Indonesian
Korea
Korean
Malaysia
English
Philippines
English
Singapore
English
Singapore (Sunlight)
English
Vietnam
English | Vietnamese
CHINT-EGEMAC
English
Saudi Arabia
English
South Africa
English
UAE
English
CHINT AJLAN
English | Arabic
France
French
Italy
Italian
Spain
Spanish
Turkey
Turkish
Kazakhstan
Russian
Netherlands
Dutch
Mexico
Spanish
Brazil
Portuguese
Colombia
Spanish
Ecuador
Spanish
Peru
Spanish

Please enter keywords to search

Your search term contains restricted words. Please use different keywords.
NB8-125R Moulded Case Circuit Breaker
Product Consultation
Low Voltage IEC Final Power Distribution NB8-125R Moulded Case Circuit Breaker
Clear all
Final Power Distribution
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R
NB8-125R

NB8-125R Moulded Case Circuit Breaker

The NB8-125R circuit breaker complies with the IEC 60947-2 standard. It's designed for low-voltage applications with a rated operating voltage of up to 400V, 50/60Hz and a rated current of up to 100A. It offers protection against overload and short-circuit conditions and is suitable for occasional switching of circuits. The breaking capacity of NB8-125R up to 25kA, which is adaptable to data centers, mining, oil&gas application scenarios and so on.

Contact Us

Product Information

Name
Size
Release time
Operate
2504-NB8-125R and Accessories-MCCB-Catalog.pdf
1.4MB
2025-04-29
Download
Name
Size
Release time
Operate
2501-Alarm auxiliary contacts-AXL-B8R-Manual EN.pdf
1.96MB
2025-04-29
Download
2501-Alarm contacts-AL-B8R-Manual EN.pdf
1.59MB
2025-04-29
Download
2501-Auxiliary contacts-AX-B8R-Manual EN.pdf
1.78MB
2025-04-29
Download
2501-MCCB-NB8-125R-Manual EN.pdf
1.76MB
2025-04-29
Download
2501-Overvoltage release-OVT-B8R-Manual EN.pdf
1.5MB
2025-04-29
Download
2501-Shunt release-SHT-B8R-Manual EN.pdf
1.58MB
2025-04-29
Download
2501-Under voltage release-UVT-B8R-Manual EN.pdf
1.66MB
2025-04-29
Download
Name
Size
Release time
Operate
2504-NB8-125R-CB Certificate.pdf
742.04KB
2025-04-29
Download
2503-B8R Accessories-CE RoHS Declaration Certificate.pdf
580.58KB
2025-04-29
Download
2503-NB8-125R-CE Certificate.pdf
654.19KB
2025-04-29
Download
2503-NB8-125R-CE RoHS Declaration Certificate.pdf
546.38KB
2025-04-29
Download
2503-NB8-125R-TUV Certificate.pdf
671.55KB
2025-04-29
Download
Name
Size
Release time
Operate
AX-B8R11 AL-B8R-Contacts Accessories-Drawing-2D.dwg
94.32KB
2025-04-29
Download
AX-B8R11 AL-B8R-Contacts Accessories-Drawing-3D.stp
7.23MB
2025-04-29
Download
AX-B8R22 AXL-B8R-Contacts Accessories-Drawing-2D.dwg
109.94KB
2025-04-29
Download
AX-B8R22 AXL-B8R-Contacts Accessories-Drawing-3D.stp
7.75MB
2025-04-29
Download
NB8-125R-MCCB-Drawing-2D-1P.dwg
557.49KB
2025-04-29
Download
NB8-125R-MCCB-Drawing-2D-1PN 2P.dwg
570.06KB
2025-04-29
Download
NB8-125R-MCCB-Drawing-2D-3P.dwg
588.24KB
2025-04-29
Download
NB8-125R-MCCB-Drawing-2D-3PN 4P.dwg
581.08KB
2025-04-29
Download
NB8-125R-MCCB-Drawing-3D-1P.stp
1.41MB
2025-04-29
Download
NB8-125R-MCCB-Drawing-3D-1PN 2P.stp
1.44MB
2025-04-29
Download
NB8-125R-MCCB-Drawing-3D-3P.stp
1.45MB
2025-04-29
Download
NB8-125R-MCCB-Drawing-3D-3PN 4P.stp
1.46MB
2025-04-29
Download
SHT-B8R UVT-B8R OVT-B8R-Release Accessories-Drawing-2D.dwg
330.31KB
2025-04-29
Download
SHT-B8R UVT-B8R OVT-B8R-Release Accessories-Drawing-3D.stp
2.67MB
2025-04-29
Download
SHT-B8R11 UVT-B8R10 UVT-B8R10-Release Accessories-Drawing-2D.dwg
321.47KB
2025-04-29
Download
SHT-B8R11 UVT-B8R10 UVT-B8R10-Release Accessories-Drawing-3D.stp
3.13MB
2025-04-29
Download

Related Products

NXB-125 Moulded Case Circuit Breaker NXB-125 Moulded Case Circuit Breaker
View Details Documents
Documents
View all documents
NXB-63G Moulded Case Circuit Breaker NXB-63G Moulded Case Circuit Breaker
View Details Documents
Documents
View all documents
NB8-125 Moulded Case Circuit Breaker NB8-125 Moulded Case Circuit Breaker
View Details Documents
Documents
View all documents
NBP-63R Moulded Case Circuit Breaker NBP-63R Moulded Case Circuit Breaker
View Details Documents
Documents
View all documents
NB8 -63M Moulded Case Circuit Breaker NB8 -63M Moulded Case Circuit Breaker
View Details Documents
Documents
View all documents
DZ158 Moulded Case Circuit Breaker DZ158 Moulded Case Circuit Breaker
View Details Documents
Documents
View all documents
CB-125CX Moulded Case Circuit Breaker CB-125CX Moulded Case Circuit Breaker
View Details Documents
Documents
View all documents
CB-125CXZ Moulded Case Circuit Breaker CB-125CXZ Moulded Case Circuit Breaker
View Details Documents
Documents
View all documents
NB1-63DC DC Circuit Breaker NB1-63DC DC Circuit Breaker
View Details Documents
Documents
View all documents
CB-63CX Moulded Case Circuit Breaker CB-63CX Moulded Case Circuit Breaker
View Details Documents
Documents
View all documents
NB1-63H/2 Miniature Circuit Breaker NB1-63H/2 Miniature Circuit Breaker
View Details Documents
Documents
View all documents
CB-63CXZ Moulded Case Circuit Breaker CB-63CXZ Moulded Case Circuit Breaker
View Details Documents
Documents
View all documents
CB-60B Moulded Case Circuit Breaker CB-60B Moulded Case Circuit Breaker
View Details Documents
Documents
View all documents
Recommend Blogs
Why UL Certification is Non-Negotiable for OEMs & Renewable Energy Projects
JULY 14, 2025 Why UL Certification is Non-Negotiable for OEMs & Renewable Energy Projects

UL Certification Requirements for OEMs: Essential Guide for Renewable Energy Projects in 2025

Configuration Guide: Setting Up the CHINT SMG-WSR and SMG-ESR Open Protocol Gateway
JULY 10, 2025 Configuration Guide: Setting Up the CHINT SMG-WSR and SMG-ESR Open Protocol Gateway

Step-by-step protocol gateway setup guide for CHINT SMG-WSR and SMG-ESR, covering wiring, network configuration, and MQTT cloud connection.

A Guide to the CHINT SMG Open Protocol Gateway: Building Flexible IoT Solutions
JULY 2, 2025 A Guide to the CHINT SMG Open Protocol Gateway: Building Flexible IoT Solutions

Discover how CHINT’s SMG-WSR/SMG-ESR Gateway and NB2 Circuit Breakers create smart, efficient, and remote-controlled electrical systems for various industries.

An Introduction to Power Circuit Breakers: How Do They Protect Your Industrial and Commercial Facilities?
JULY 1, 2025 An Introduction to Power Circuit Breakers: How Do They Protect Your Industrial and Commercial Facilities?

Explore CHINT’s power circuit breaker solutions for high-performance electrical protection in industrial, commercial, and healthcare environments.

Understanding the VFD Working Principle in Industrial Automation
JULY 1, 2025 Understanding the VFD Working Principle in Industrial Automation

Learn the working principle of VFDs and discover how CHINT NVF7 boosts performance, energy savings, and equipment longevity in industrial automation.

Gas Insulated Switchgear in Renewable Energy Integration
JUNE 30, 2025 Gas Insulated Switchgear in Renewable Energy Integration

Learn how CHINT’s gas-insulated switchgear ensures stable, safe, and compact power distribution in renewable energy projects like wind and solar farms.

Factors that Influence Commercial HVAC System Cost
JUNE 30, 2025 Factors that Influence Commercial HVAC System Cost

Learn the major factors that impact commercial HVAC system pricing, from system types and tonnage to installation conditions and energy efficiency.

How to Wire a Low-Voltage Transformer
JUNE 27, 2025 How to Wire a Low-Voltage Transformer

Discover essential safety precautions, wiring methods, and troubleshooting tips for low-voltage transformer setup. A complete guide for technicians and engineers.

Water Pump Drives: PTO vs. Battery vs. Solar
JUNE 27, 2025 Water Pump Drives: PTO vs. Battery vs. Solar

Explore key benefits and drawbacks of PTO, battery-powered, and solar-powered water pump systems. Choose the right drive for your specific use case.

Applications of Power Transformers in Solar Energy Systems
JUNE 27, 2025 Applications of Power Transformers in Solar Energy Systems

Discover how CHINT Global's power transformers enhance solar energy systems through efficient voltage regulation and grid integration for homes, businesses, and utility-scale projects.

Need Support From Us?

Blog
Blog

Find expert perspectives on the trends and technologies driving your business.

View Now
Download Center
Download Center

Download new and previously released documents including product document, solutions, cases, coporate report.

View Now
Contact Us
Contact Us

Reach out to us to receive more information, technical support, assistance with complaints and more.

Get Support
Collapsed
Expand
Products
Low Voltage
Power Transmission and Distribution
Low Voltage Switchgear and Software
Instruments Meters
EV Charging
Solutions
Transmission Grid
Distribution Grid
Buildings
Generator Equipment
Pumps and Vacuum Equipment
Mining Machinery
HVAC
Elevator
Data Center
Residential PV & ESS
Utility PV & ESS
Commercial and Industry PV
Metallurgical
Oil & Gas
Rail Transportation
Mining and Petrochemical
About Us
About CHINT Global
News Center
Blog
Career
CHINT Privacy Policy
Case Center
Services
Download Center
Contact Us
Get latest updates from CHINT
logo
Phone 86-400-1177797
Mailbox global-sales@chint.com
Follow us
snsLogo snsLogo snsLogo
ZHEJIANG ICP RECORD NO. 12033679 Copyright 2025 CHINT Group. All Rights Reserved