Home

Products

Low Voltage

Power Transmission and Distribution

Low Voltage Switchgear and Software

Instruments & Meters

EV Charging

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

Residential PV & ESS

Utility PV & ESS

Commercial and Industry PV

Rail Transportation

Mining and Petrochemical

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

Global |EN

Choose your country & Language

Group

English

|

Chinese

Asia Pacific

Australia & New Zealand

English

India

English

Indonesia

English | Indonesian

Malaysia

English

Philippines

English

Singapore

English

Vietnam

English | Tiếng Việt

Middle East & Africa

Egypt

English | العربية

Kenya

English

Saudi Arabia

English

South Africa

English

United Arab Emirates

English

Europe

France

Français

Kazakhstan

Русский

Netherlands

Dutch

Spain

Español

Italy

Italian

Turkey

Türkçe

United Kingdom

English

Latin America

Brazil

Português

Colombia

Español

Ecuador

Español

Peru

Español

North America

Canada

English | Français

Mexico

English | Español

United States

English

Your search term contains restricted words. Please use different keywords.

NWK1-GR

NWK1-GR-ILVRPACC-5

NWK1-GR-ILVRPACC-Front-1

NWK1-GR-ILVRPACC-Front-2

NWK1-GR-ILVRPACC-4

NWK1-GR-ILVRPACC-5

NWK1-GR-ILVRPACC-Front-1

NWK1-GR-ILVRPACC-Front-2

NWK1-GR-ILVRPACC-4

NWK1-GR

The NWK1-GR Series Low Voltage Reactive Compensation Controller is a new-generation smart device designed for reactive power compensation and power quality monitoring in low-voltage distribution systems. Featuring a large dot-matrix LCD display, FFT analysis, and RS485 communication, it ensures precise control and high reliability under harmonic conditions. With support for 3-phase and mixed compensation, automatic capacitor switching, and multi-circuit output options, it delivers optimized power factor management across industrial and commercial networks.

Product Information

Application: Reactive power compensation and power distribution monitoring
Sampling Voltage Range: AC (100–800)V
Rated Frequency: 45–65 Hz
Control Signal Mode:
- Default relay output
- Optional +12VDC output (suffix “D”)
- NWK1-GR-Intelligent Low Volatag
Compensation Mode:
- GB: Common compensation
- FB: Mixed 3-phase and single-phase compensation
Output Circuits: 12 or 16 circuits
Voltage Sampling Accuracy: ±0.5%
Current Sampling Range: 0.05–5A (CT ratio: 5/5–6000/5)
Operating Temperature: −20°C to +55°C
Relative Humidity: ≤50% at 40°C, ≤90% at 20°C
Altitude: ≤2500m
Display Interface: Large LCD with multilingual (Chinese/English) and graphical display of power factor, voltage, current, harmonics (3rd–15th), KVAR, THDU, THDI, temperature, etc.
Communication Port: RS485 (supports SCADA/PLC connection)
Alarm and Protection: Overvoltage, undervoltage, over-harmonic, power factor deviation, and high-temperature alarms
Switching Delay: 2–180 seconds adjustable
Overvoltage Threshold: 100–800V adjustable
Undervoltage Threshold: 75–620V adjustable
THDV Threshold: Off / 3–90% configurable
Control Outputs:
- Relay contact output: AC220V, 5A
- Active DC output: +12VDC, 100mA
- Fastest response: 2s; dynamic: 100ms
Power Consumption: ≤8W
Panel Size: 120mm × 120mm × 95mm (embedded hole: 113mm × 113mm)
Standards Compliance: JB/T9663-2013, DL/T597-1996

Name

Size

Release time

Operate

NWK1-GR-Intelligent Low Volatage Reactive Power Automatic Compensating Controller-Catalog.pdf

477.3KB

2024-10-21

Download

Name

Size

Release time

Operate

NWK1-GR-Drawing.stp

2024-10-21

Download

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

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

Collapsed

Expand

FAQs

What applications is the NWK1-GR Low Voltage Reactive Compensation Controller suitable for?

It’s designed for reactive power compensation and power quality monitoring in industrial, commercial, and utility low-voltage distribution systems, ensuring stable power factor and reduced energy loss.

Can the NWK1-GR handle harmonic-rich environments?

Yes. It uses FFT (Fast Fourier Transform) for harmonic analysis and compensates reactively even under high harmonic distortion, with harmonic protection functions that prevent misoperation.

How many capacitor circuits can this controller manage?

Depending on the model, the NWK1-GR supports 12 or 16 output circuits, allowing flexible configuration for different compensation capacities and load patterns.

What advantages does the NWK1-GR’s LCD interface provide?

The large dot-matrix LCD displays real-time electrical parameters, harmonic levels, and capacitor status with Chinese/English menus, ensuring intuitive monitoring and easy parameter setting.

Can the controller integrate with SCADA or automation systems?

Yes. It features RS485 communication and supports integration with PLC or SCADA systems, providing real-time data and control through standard industrial protocols.