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Whether ON or OFF delay relays or relays for switchover from start to delta – the timing relays from the SIRIUS modular system are perfectly suited for all delayed switching processes in control, starting, protection and regulation circuits.
Thanks to their mature concept and space-saving, compact design, the SIRIUS 3RP1/3RP2 electronic timing relays are ideally suited for industrial control cabinet, power distribution board and control manufacturers. They are optionally available with removable terminals, screw-type or spring-loaded connection system. With its narrow design, the 7PV15 electronic timing relay particularly meets the requirements for application in heating, ventilation and air-conditioning systems as well as compressors. A further advantage: Versions with 24 to 240 V AC/DC wide voltage range ensure minimized variance and reduced stock-keeping expenditures.
The SIRIUS 3RA2811/12/16 function modules, which act as timing relays, can be easily and rapidly plugged onto SIRIUS 3RT2 contactors – without laborious wiring. They facilitate the assembly of starters and contactor combinations for direct-on-line and star-delta starting and comprise all important control functions such as timing and electric locking functions. These modules are available for ON and OFF delay as well as for the star-delta switching of contactors. In addition, delayed auxiliary switches are offered which are especially employed for the switching of small control and alarm signals in electronic applications.