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Solid State Relays, Temperature & Power Controllers
The advantages Solid State Relays (SSR) have compared to Electro Mechanical Relays (EMR) are well-known. Fully electronics, there is no moving parts inside SSR ; they have no audible noise, withstand significant vibration without operating problems, have fast response time, but most of all they have higher life-time expectancy. Used in appropri...
The advantages Solid State Relays (SSR) have compared to Electro Mechanical Relays (EMR) are well-known. Fully electronics, there is no moving parts inside SSR ; they have no audible noise, withstand significant vibration without operating problems, have fast response time, but most of all they have higher life-time expectancy. Used in appropriate operating conditions, SSRs have nearly unlimited life vs 100K cycles for EMRs. Thanks to their unlimited life-time SSRs don’t require any maintenance and prevent manufacturers from unforeseen machines/production stop, which is a great advantage nowadays with 24h/24 industrial activity. celduc® relais the sole solid state relay technology made in France for more than 40 years !
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  • Single Phase SSR
    Discover our SK range for PCB mounting available in different models ; our okpac® range SO which combines innovation, performance and design ; our celpac® range SA & SU, 22,5mm pitch solution ; our phase angle controllers SG4/SO4 ; our power SSRs... Read more
  • Two-phase SSR
    Our two-phase range provides two solid state relays in a compact standard 45mm enclosure. We offer various kinds of two-phase SSRs with Faston terminals or in okpac® IP20 housing with removable connector for control. They are perfectly adapted to three... Read more
  • Three-phase SSR
    celduc® relais offers a wide range of solid-state relays for controlling three-phase loads. -SHT range : designed in a single low profile package – this range of three-phase AC solid-state relays is designed to provide control of medium power in... Read more
  • Four-Leg SSR
    celduc® relais has in its range a four-leg Solid State Relay which provides four solid state relays in a compact standard 45mm enclosure. Power and control connections by Faston terminals.
  • DC SSR
    celduc® relais offers a complete range of solid-state relays up to 1700Vdc, 0 to 150A for DC applications. Typical applications : -DC power supplies (converters like choppers, inverters, ...) -Batteries (ships, solar systems, ...) -Heaters (air... Read more
  • Power SSRs with diagnostics
    Our power SSRs with diagnostics SOD and SILD give the status of the SSR and the load (resistive load) without external power supply. This range is patented. Status output can be chained. Fault condition alarms: - Line or load open - Short circuit... Read more
  • Motor control
    Motor control has always been something difficult to tackle with as a motor is first of all an inductive type of load with high starting currents (which doesn’t help reduce size and costs of protection devices like fuses) and over voltages generated at... Read more
  • Special relays
    celduc relais is a specialist in adapting designs to specific customer applications. In addition to the very large range of solid state relays, celduc design specific SSR according to the customers specifications or adapt products to the customers... Read more
  • Temperature controller, current monitor and communication interface in one unit
    Temperature controller, current monitor and communication interface in one unit (option available for the celpac 2G range SU SUL) The solution for space reduction and wiring simplification !  Pluggable on a celduc® relais SSR type SU and SUL, it... Read more
  • Accessories
    An appropriate heatsink improves the lifetime of a SSR. celduc relais offers a wide range of heatsinks solutions adapted to its solid state relays (SSR) celduc® relais offers also thermal pads and thermal grease as well as mounting screws kits.
  • Online special offers

    Special online offers for end of stock.

    These offers are valid while the products are in stock.