EXPLORE THE STORY · 4 MIN READ
This company is featured in the Electro Lounge Market Radar for its proven relevance to electrical-engineering applications. Delcon Oy, based in Finland, manufactures industrial solid-state relays designed to meet the demands of modern electrical engineering environments. Solid-state relays (SSRs) are switching devices that control power to loads while offering distinct advantages over traditional electromechanical relays.
Unlike mechanical relays, which use moving parts to open or close circuits, solid-state relays operate electronically. This provides fast switching, long service life, and noise-free operation. In industrial automation, SSRs are commonly used to control heaters, lamps, motors, and other loads in manufacturing and process control environments. Their ability to manage high-frequency switching without mechanical wear makes them ideal for applications requiring reliability and minimal maintenance.
A major benefit of solid-state relays is electrical isolation between input and output circuits. This feature protects sensitive control electronics from potential surges or faults on the load side, improving operational safety and reducing downtime. SSRs can also offer silent operation and are particularly valued in clean or vibration-sensitive environments where contact arcing or click sounds from mechanical relays can be disruptive.
Application areas for solid-state relays include industrial automation, process control, building automation, power management, and HVAC systems. Engineers may select them for use in control panels, PLC interfaces, and safety interlocking systems where dependable switching and low-noise operation are necessary. Delcon Oy’s products are recognized for their robust build and suitability in challenging industrial installations.
As with all component selections, engineers are encouraged to verify current technical specifications, approvals, and compatibility requirements to ensure suitable operation within their chosen application before making selection or procurement decisions.
THE ENGINEERING CORNER
Read the application before the product list
A company profile can introduce useful equipment families, but the engineering assessment starts with the duty. Identify what the device must do, the system it will connect to, and the conditions it must withstand. Similar-looking products may serve different applications.
Build a short comparison table from the relevant manufacturer documentation: intended function, electrical ratings, interfaces, environmental limits and the stated test or conformity evidence. Keep the document revision beside the figures so that a later change is visible.
One useful distinction: a manufacturer’s portfolio statement is not the same as approval of a particular model for a particular project. Likewise, the presence of a product category on a website does not establish every voltage rating, certification or service capability you might need.
For a substation application, follow the interface with the rest of the scheme. Equipment selection involves how a device works with measurement, control, protection and the connected circuit. The aim is to turn a broad product description into specific questions that can be answered from the exact model’s current documentation.
THE ENGINEERING CORNER
Follow the whole power path
Think of a substation project as one part of a connected power path. There is a supply side, the equipment being discussed, and a demand side. Each part has its own capabilities, constraints and operating conditions.
A headline about new capacity is therefore a useful starting question: where was the original bottleneck, and which part of it does this project address? More installed equipment does not, by itself, quantify customer reliability, actual energy delivered or the capacity available during an outage.
Planning language matters too. A preferred site, a contract award, equipment delivery, installation and commissioning are different milestones. Do not read an announced plan as an asset already operating. The source should support the particular stage being described.
To make the story useful, sketch a simple supply-to-load chain and place the named asset on it. Mark what the report establishes and leave unknown interfaces as questions. That small exercise helps a fresh engineer connect project news with system thinking without inventing voltage levels, settings, test results or customer benefits that the announcement does not provide.