Products
Low-voltage
Power Transmission and Distribution
Low Voltage Switchgear and Software
Instruments and Meters
EV Charging
IEC

UL

Transmission

Distribution

Power Quality & Automation

Main Distribution Board

Sub Distribution Board

Final Distribution Box

Software

Intelligent Solution

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

Data Center

Residential PV & ESS

Utility PV & ESS

Commercial and Industry PV

Metallurgical

Oil & Gas

Rail Transportation

Buildings

Substation Mobile Substations
Micro-Grid Solution Intelligent Power Distribution Solutions
Generator Control System Solution Generator Dual Power Supply Control System Solution
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
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
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
Resources
Products
Solutions
Project References
Corporate Reports
About Us
CHINT Global
CHINT's Insights
Careers
Locate Us
Contact Us
Privacy Policy
Blog

News

Contact Us

Call Us +65 6329 3110
Email Us sales.apac@chint.com

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
Kazakhstan
Russian
Italy
Italian
Netherlands
Dutch
Spain
Spanish
Turkey
Turkish
United Kingdom
English

North America

Mexico
Spanish

Latin America

Brazil
Portuguese
Colombia
Spanish
Ecuador
Spanish
Peru
Spanish
Products
Solutions
Sustainability
Resources
About Us
Main Menu
Products
Low-voltage
Power Transmission and Distribution
Low Voltage Switchgear and Software
Instruments and Meters
EV Charging
Main Menu
Solutions
Power Utility
OEM
Telecom & Data Center
New Energy
Industry
Buildings
Main Menu
Sustainability
Main Menu
Resources
Products
Solutions
Project References
Corporate Reports
Main Menu
About Us
CHINT Global
CHINT's Insights
Careers
Locate Us
Contact Us
Privacy Policy
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
Instruments and 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
Telecom & Data Center
Data Center
New Energy
Residential PV & ESS
Utility PV & ESS
Commercial and Industry PV
Industry
Metallurgical
Oil & Gas
Rail Transportation
Buildings
Buildings
Products
Solutions
Project References
Corporate Reports
CHINT Global
CHINT's Insights
Blog
News
Careers
Locate Us
Contact Us
Contact Us

Call Us +65 6329 3110
Email Us sales.apac@chint.com
Privacy Policy
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
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
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
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
Kazakhstan
Russian
Italy
Italian
Netherlands
Dutch
Spain
Spanish
Turkey
Turkish
United Kingdom
English
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.
NB3L-40 Residual Current Operated Circuit Breaker with Over-current Protection (Magnetic)
Product Consultation
Final Power Distribution NB3L-40 Residual Current Operated Circuit Breaker with Over-current Protection (Magnetic)
Clear all
Final Power Distribution
NB3L-40 Residual Current Operated Circuit Breaker with Over-current Protection (Magnetic)
NB3L-40 Residual Current Operated Circuit Breaker with Over-current Protection (Magnetic)

NB3L-40 Residual Current Operated Circuit Breaker with Over-current Protection (Magnetic)

The NB3L Residual Current Operated Circuit Breaker (RCBO) offers comprehensive electrical safety by integrating Miniature Circuit Breaker (MCB) and Residual Current Device (RCD) functions. This device provides robust protection against overload, short-circuit, and earth leakage faults, safeguarding both personnel and electrical installations.

NB3L RCBO ensures reliable circuit protection in diverse applications across residential, commercial, and industrial electrical systems, enhancing overall safety and compliance.

Contact Us

Product Information

Name
Size
Release time
Operate
2309-NB3L-RCBO-Manual.pdf
153.56KB
2024-11-14
Download
Name
Size
Release time
Operate
2312-NB3L-RCBO-SAA Certificate.pdf
725.24KB
2024-11-14
Download
2311-NB3L-RCBO-CB Certificate.pdf
872.34KB
2024-11-14
Download
1908-NB3L-RCBO-CE Certificate.pdf
705.73KB
2024-11-14
Download
Name
Size
Release time
Operate
NB3L-40 3P+N-RCBO-Drawing.pdf
100.32KB
2024-11-14
Download
NB3L-40 3P+N-RCBO-Drawing.STEP
2025-03-25
Download

Similar Products

NB1L Residual Current Operated Circuit Breaker with Over-current Protection(Magnetic) NB1L Residual Current Operated Circuit Breaker with Over-current Protection(Magnetic)
View Details Documents
Documents
View all documents
NB2LE-80ZT Residual Current Action Circuit Breaker with Overcurrent Protection (Electronic) NB2LE-80ZT Residual Current Action Circuit Breaker with Overcurrent Protection (Electronic)
View Details Documents
Documents
View all documents
NB2LE Residual Current Operated Circuit Breaker NB2LE Residual Current Operated Circuit Breaker
View Details Documents
Documents
View all documents
NB2LE-40ZT Smart Residual Current Operated Circuit Breaker with Over-current Protection (Electronic) NB2LE-40ZT Smart Residual Current Operated Circuit Breaker with Over-current Protection (Electronic)
View Details Documents
Documents
View all documents
NB310L(3PN) Residual Current Operated Circuit Breaker with Over-current Protection (Magnetic) NB310L(3PN) Residual Current Operated Circuit Breaker with Over-current Protection (Magnetic)
View Details Documents
Documents
View all documents
NB3LE Residual Current Operated Circuit Breaker with Over-current Protection (Electronic) NB3LE Residual Current Operated Circuit Breaker with Over-current Protection (Electronic)
View Details Documents
Documents
View all documents
NB3LEU Residual Current Operated Circuit Breaker with Over-current Protection (Electronic) NB3LEU Residual Current Operated Circuit Breaker with Over-current Protection (Electronic)
View Details Documents
Documents
View all documents
NB3LEG-40 Residual Current Operated Circuit Breaker with Over-current Protection (Electronic) NB3LEG-40 Residual Current Operated Circuit Breaker with Over-current Protection (Electronic)
View Details Documents
Documents
View all documents
NB4LE Residual Current Operated Circuit Breaker (Electronic) NB4LE Residual Current Operated Circuit Breaker (Electronic)
View Details Documents
Documents
View all documents
NB8LE-63M Residual Current Operated Circuit Breaker with Over-current Protection (Electronic) NB8LE-63M Residual Current Operated Circuit Breaker with Over-current Protection (Electronic)
View Details Documents
Documents
View all documents
NBH8LE Residual Current Operated Circuit Breaker with Over-current Protection (Electronic) NBH8LE Residual Current Operated Circuit Breaker with Over-current Protection (Electronic)
View Details Documents
Documents
View all documents
NXBL-40Y Residual Current Operated Circuit Breaker with Over-current Protection (Magnetic) NXBL-40Y Residual Current Operated Circuit Breaker with Over-current Protection (Magnetic)
View Details Documents
Documents
View all documents
NXBLE-125G Residual Current Operated Circuit Breaker (RCBO) NXBLE-125G Residual Current Operated Circuit Breaker (RCBO)
View Details Documents
Documents
View all documents
NXBLE-32 Residual Current Operated Circuit Breaker (RCBO) NXBLE-32 Residual Current Operated Circuit Breaker (RCBO)
View Details Documents
Documents
View all documents
NXBLE-40 Residual Current Operated Circuit Breaker (RCBO) NXBLE-40 Residual Current Operated Circuit Breaker (RCBO)
View Details Documents
Documents
View all documents
NXBLE-63 Residual Current Operated Circuit Breaker (RCBO) NXBLE-63 Residual Current Operated Circuit Breaker (RCBO)
View Details Documents
Documents
View all documents
NXBLE-63Y Residual Current Operated Circuit Breaker (RCBO) NXBLE-63Y Residual Current Operated Circuit Breaker (RCBO)
View Details Documents
Documents
View all documents
Recommend Blogs
What Is Motor Start Up Current and Why Is It So High?
JUNE 12, 2025 What Is Motor Start Up Current and Why Is It So High?

Discover why motor start-up current is so high and how it affects electrical systems. Learn how to protect motors effectively with CHINT's solutions.

Selecting the Right Air Circuit Breaker for Data Centers and Critical Power Distribution
JUNE 12, 2025 Selecting the Right Air Circuit Breaker for Data Centers and Critical Power Distribution

Discover how to select the right air circuit breaker for data centers. Learn about CHINT’s NA8 features, certifications, and smart integration benefits.

Everything You Should Know About Solar Pumping System
JUNE 11, 2025 Everything You Should Know About Solar Pumping System

Understand the benefits, applications, and components of solar pumping systems including CHINT’s NVFPV drives for reliable water access.

How Altitude Affects the Performance of Moulded Case Circuit Breakers
JUNE 10, 2025 How Altitude Affects the Performance of Moulded Case Circuit Breakers

Learn the effects of altitude on circuit breakers and explore CHINT’s NM8N-HV MCCB built for extreme conditions with high performance and safety.

What Is A Pulse Relay and How Does It Work?
JUNE 9, 2025 What Is A Pulse Relay and How Does It Work?

Explore the energy-efficient pulse relay technology used in automation, lighting, and security systems. Featuring CHINT’s NJMC1 relay for reliable performance.

Understanding AC Contactors: Uses and Warning Signs of Failure
JUNE 7, 2025 Understanding AC Contactors: Uses and Warning Signs of Failure

Learn how to recognize signs of a failing AC contactor and get expert tips on resolving issues, performing maintenance, and ensuring electrical safety.

What Are Harmonics and Total Harmonic Distortion (THD) in Power Systems
JUNE 6, 2025 What Are Harmonics and Total Harmonic Distortion (THD) in Power Systems

Discover the causes, impacts, and solutions for harmonics and THD in electrical networks. Enhance reliability with CHINT’s NZB379 controller.

Types of Lightning Surge Arresters and Their Functions
JUNE 6, 2025 Types of Lightning Surge Arresters and Their Functions

Discover the essential types of lightning surge arresters and their working principles. Learn how to protect your electrical systems from voltage surges effectively.

Automatic Transfer Switch (ATS) Comprehensive Guide
JUNE 5, 2025 Automatic Transfer Switch (ATS) Comprehensive Guide

Explore how ATS ensures uninterrupted power supply for critical applications. Learn about types, uses, performance, and CHINT solutions.

Thermal Magnetic Circuit Breakers vs Hydraulic Magnetic Circuit Breakers
JUNE 5, 2025 Thermal Magnetic Circuit Breakers vs Hydraulic Magnetic Circuit Breakers

A comprehensive comparison of thermal magnetic and hydraulic magnetic circuit breakers. Learn about their protection, environmental susceptibility, trip time, size, and cost with CHINT.

Helpful Links

Blog
Blog

Explore expert insights, trends, and CHINT perspectives on the smart energy industry.

Read More
Resources
Resources

Download essential CHINT resources for your business needs.

Download Now
Contact Us
Contact Us

Have questions? Contact us for support and solutions.

Get Support
Collapsed
Expand
Products
Low-voltage
Power Transmission and Distribution
Low-voltage Switchgear and Software
Instruments and Meters
EV Charging
Solutions
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
Oil & Gas
Metallurgical
Rail Transportation
Buildings
About Us
CHINT Global
Blog
News
Events
Careers
Locate Us
Contact Us
Privacy Policy
Services
Products
Solutions
Project References
Corporate Reports
Get latest updates from CHINT
logo
Phone +65 6329 3110
Mailbox sales.apac@chint.com
Follow us
snsLogo snsLogo snsLogo