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

APPLICATIONS

> Power Monitoring
> Smart Grid
> EV Charger
> Automation
> Renewable Energy
> Railway
> Power Supply
> Welding
> Drive

CT GUIDES

> What is Current Transformer accuracy class
> Split-core CT Installation Guide
> CT Installation and Wiring
> CT Opening Size vs. Conductor Diameter
> What is DC tolerant CT?
> Safety and Warning Notes from CT

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

INSTALLATIONS

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NETWORK INTERFACE

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HELPFUL RESOURCES

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SAFETY & COMPLIANCE

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THIRD PARTY PRODUCTS & SEVICES

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