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
Peru
Spanish
Ecuador
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
Peru
Spanish
Ecuador
Spanish

Please enter keywords to search

Your search term contains restricted words. Please use different keywords.
NQB1
Product Consultation
Low Voltage IEC Industrial Control NQB1
Clear all
Industrial Control
NQB1-image-1
NQB1-image-1

NQB1

NQB1 series protective starter (hereinafter referred to as the starter) is suitable for direct starting and operation breaking of three-phase squirrel cage induction motors in power systems with AC 50Hz, rated working voltage up to 690V, and rated working current up to 18A.

Contact Us

Product Information

Name
Size
Release time
Operate
2401-NQB1-Protected Starter-Manual.pdf
780.75KB
2024-10-29
Download
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 Site
JUNE 12, 2025 Selecting the Right Air Circuit Breaker for Data Centers and Critical Power Distribution Site

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.

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.

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.

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