Industrial Shields

Industrial Shields is a manufacturer of electronic components focused on industrial automation and control technologies. The company designs and produces open-source-based automation hardware, including programmable logic controllers (PLCs), panel PCs, and I/O modules built on platforms such as Arduino and Raspberry Pi. Their solutions are widely used in factory automation, process control, building management, and educational engineering projects where flexible, modular, and cost-effective control systems are required.

The Industrial Shields product portfolio spans six major categories containing approximately 177 individual products. In Industrial Automation and Controls, the company offers PLCs, relay modules, sensor shields, HMI touch panels, and expansion boards. Networking Solutions include Ethernet and wireless communication modules for industrial protocols. Their Power Supplies line covers both internal and external off-board DIN-rail mountable units designed for harsh electrical environments. Cable Assemblies and Connectors/Interconnects round out the catalog, providing pre-wired cables, terminal blocks, and plug-and-play interface accessories that simplify integration between sensors, actuators, and control units.

3J LIMITED distributes Industrial Shields products to engineers, system integrators, and procurement professionals seeking reliable open-source automation hardware. As an electronic component distributor, 3J LIMITED provides access to the full Industrial Shields catalog along with technical support and supply chain services. Customers can source PLCs, power supplies, cables, and connectors from a single supplier, streamlining procurement for both prototyping and large-scale industrial deployments.