SUPPORT

For help troubleshooting problems and technical questions,
please send an email to Technical Support.

In addition to your contact information, please include the J&D part number(s) that you have and a description of the symptoms and issues.

CONTACT J&D

PRODUCTS BY APPLICATION

> Revolutionize Energy Efficiency with RJ12 Plug-and-Play EQ Split Core Transformers

> J&D's Smart Electricity Meters: Pioneering Precision in Current Measurement

> IP67 Waterproof Current Transformer for Outdoor Application

> Ultra-Precision Voltage Measurement Solutions for Low-Voltage AC Lines

> Clamp Type Current Sensor Series Lineup

NEW PRODUCT INTRODUCTION NEWS

> 1500VDC Auxiliary Power Solutions for 1500VDC Photovoltaic Systems

> Unveiling the Future of Solar Power
: The JPS-H Series by J&D

> Innovative DC Power Monitoring Solution
: AcuDC 240

> Introducing J&D's QACT-CT Series
: The Ultimate Power Metering Solution at RE+24 on September 10, 2024!

> J&D Electronics' New DC Metering Solutions
: Leading the Future of Innovation!

> J&D Power AD 480 AC/DC Converter
: The Perfect Choice for Electric Vehicle Charging Infrastructure!

> Measurement Solution for Distributed Energy Resources
: SENSWAY Multi-Circuit Meter

CT GUIDES

> What is Current Transformer accuracy class

> Split-core CT Installation Guide

> CT Opening Size vs. Conductor Diameter

> Safety and Warning Notes from CT

> Current Sensors and Current Transducers - What Are They?

> Understanding CAT Safety Ratings and IP,NEMA Ratings for Current Transformers

OUR TECHNOLOGY

> AC Current Sensing Technology

> DC Current Sensing Technology

> AC Voltage Sensing Technology

> DC Voltage Sensing Technology

> Rogowski coil Technology

> Clamp on Current Probe Technology

APPLICATIONS

> Power Monitoring

> Smart Grid

> EV Charger

> Automation

> Renewable Energy

> Railway

> Power Supply

> Welding

> Drive