Thermal Management, the Achilles’ Heel of SSRs Solid state relays are now widely used in industrial machines for their reliability, fast switching, and absence of mechanical wear. However, this image of robustness can be misleading. In practice, a significant proportion of SSR failures observed in the field originate from insufficiently controlled thermal design. Unlike electromechanical […]
Avoid Mistakes: Proper SSR Sizing Explained In this new article, we provide you with simple and reliable rules to correctly size a solid state relay, by integrating from the design phase the electrical and thermal constraints that determine its service life. 1-Properly characterize the load Sizing an SSR begins with a precise analysis of the […]
MTBF of Solid State Relays: from theoretical reliability to actual service life Solid State Relays (SSRs) are renowned for their high reliability and long operational lifespan compared to electromechanical counterparts. However, like all electronic devices, they are subject to failure. Understanding Mean Time Before Failure (MTBF) is crucial for system engineers to predict reliability, plan […]
Solid State Relays (SSR) vs Electromechanical Relays (EMR): Which one makes more sense? Relays are widely used in industrial and electronic systems to switch electrical loads on and off. Two main relay technologies are commonly used today: Electromechanical Relays (EMR) and Solid State Relays (SSR). At first glance, electromechanical relays often seem more attractive because […]
When cheap SSRs cost you more: technical and safety failures explained Choosing low-cost, poor-quality SSRs might seem like a way to save money, but it can lead to serious consequences. These products often feature hidden compromises—lower-rated components, flawed designs, and inadequate testing or certification—that put both your equipment and personnel at risk. Key dangers of […]
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