SIRIUS 3RA2811/12/16 Function Modules

for mounting on 3RT2 contactors

Advantages at a glance

  • Reduction of control circuit wiring

  • Prevention of wiring faults

  • 24 – 240 V AC/DC wide voltage range for control supply voltage and contactor coil control

  • Reduced testing costs

  • Realization of control-independent timing functions

  • Space savings in the control cabinet (compared to a separate timing relay)

  • No additive protective circuit required (integrated varistor)

  • Automatic preference circuit with star-delta function modules for further reduction of current peaks

  • Assembly of star-delta starters, including timing function and electric locking, without additional wiring

  • Approvals in accordance with IEC, CCC, UL and CSA standards


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