ATEX sensors - 07/01/2021

ATEX Magnetic proximity sensors For the past few years, celduc® relais has acquired and improved expertise in ATEX products, in particular sensors and relays for these specific applications. celduc® relais is notified as manufacturer of ATEX products according to Directive 2014/34/EU of the European Parliament and of the Council of 26 February 2014  (INERIS 04ATEXQ406) […]

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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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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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