SSRs with FASTON Terminals - 23/11/2020

FASTON Terminals : Quick connect terminals for fast installation ! Solid State Relays with “FASTON” terminals are ideal for the food and beverage industry for currents less than 20A. celduc® relais offers a wide range of single phase products with “FASTON” terminals, and also two-phase and four-leg power SSRs The Faston pin terminal mounts quickly […]

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Top Tips for making a good control of transformer primary - 17/11/2020

Are high inrush currents on startup causing damages in the transformer primary circuit ? Switching ON the primary of an AC transformer can often generate high inrush currents. Applying electric power to the primary of a transformer can lead to more or less big troubles, especially if this operation is intended to be very frequent. […]

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OptoCoupler : how it works ? - 09/11/2020

Solid State Relay (SSR) Circuit using OptoCoupler : how it works ? The input cicruit is one of the parts which composed a solid state relay. The input circuit is made up of an optical control called an optocoupler. An optocoupler contains one infra-red light-emitting diode, or LED light source, and a photo sensitive device within a […]

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Thyristor Rating VS Switching Current - 02/11/2020

What is the difference between « Thyristor rating » and « Switching current » ? This question comes up frequently and we are pleased to answer it in this dedicated article. Thyristors are used as the switching components in solid state relays for alternating currents. The ratings of our power components are specified in our […]

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Dual SSR – 22,5mm housing - 29/10/2020

SIB Range – new Dual SSR celduc® relais is featuring our new SIB942360 dual Solid State Relay 22,5mm housing as our Product of the Week. Here are the main features : Voltage is 600 Vpeak = 280 VAC nominal voltage Current is 2x20A (30A caliber power element I²t=487A²s) Dual Zero Cross Solid State Relay especially […]

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