okpac range - 18/01/2021

Single phase Solid State Relays up to 125A / 690Vac   Innovation, Performance and Design!  Our okpac® range of panel mount solid state relays is celduc’s well knows family of SSRs. Its 45 mm hockey puck industrial housing is quick to install. All the key features you are looking for are available : →Integrated removable […]

Want to know more?

DC Solid State Relays - 04/01/2021

DC Solid State Relays These relays are designed to switch DC loads, e.g solenoid valves, brakes, LEDs, motors (possibly on AC mains under specific conditions). celduc® relais offers a complete range of DC solid state relays up to 1700Vdc, 0 to 150A. Differences between AC and DC SSR AC Solid State Relays : The switching […]

Want to know more?

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 […]

Want to know more?

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 […]

Want to know more?

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 […]

Want to know more?