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 […]

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ATEX sensors - 07/01/2021

ATEX Magnetic proximity sensors From the 1st of July 2006 all installations with potential risk of explosion (gaz and dust) should be manufactured in compliance with the ATEX directive 99 / 9 / CE. For the past few years, celduc® relais has acquired and improved expertise in ATEX products, in particular sensors and relays for […]

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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 […]

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Control Magnets - 07/12/2020

Control Magnets To control Reed switch or HALL effect cell magnetic sensors, a magnet must be used. What is a permanent magnet ? A magnet is a material or object that produces a magnetic field. A permanent magnet is made from a material that is magnetized and creates its own persistent magnetic field. Materials that […]

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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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