3-phase Solid State Relays - 26/10/2021

Compact three-phase Solid State Relays – 45mm installation width Superior design, easy to install and optimum lifespan are delivered with the new generation of three-phase Solid State Relays : sightpac® range. Celduc panel mount three-phase Solid State Relays have been developed to offer all the advantages of electronic switching technology. The 45mm housing is quick […]

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Zero-cross or random relay : what are the differences ? - 19/10/2021

Understanding Solid State Relays (SSR) Both zero-cross and random solid state relays are used for industrial applications. What are the differences between these two types of switching? Here are some answers. Zero-crossing Solid State Relays In the case of a ZERO VOLTAGE CONTROL (OR ZERO-CROSS RELAY), power switching takes place only at the beginning of […]

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Lifetime tests - 28/09/2021

celduc tested its products side-by-side with two well-known brands of Solid State Relays (SSRs) As a worldwide leader in the development and manufacturing of Solid State Relays, celduc performs regular lifetime tests and also reviews its products versus its competitors. Over several months, celduc tested its products side-by-side with two well-known brands of Solid State […]

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Thyristor vs Triac - 18/06/2021

What is the difference between Triacs and Thyristors? AC switching solid state relays use back-to-back Thyristors and TRIAC’s as their built-in output switching device. What is the difference between Triacs and Thyristors ? Working principles of Thyristors and Triacs Thyristor (or SCR) Thyristor also called SCR stands for Silicon Controlled Rectifier. It is a semiconductor […]

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cURus : UL certification mark - 07/06/2021

What is the cURus Approval ? The solid state relays and contactors made by celduc® relais are manufactured in compliance with cURus standard. Today we will give you more clarification about cURus approval. The cURus mark indicates that our products meet Canadian and U.S. safety standards. cURus is an approval from the UL, also named […]

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