SIRIUS 3RA28 Time-Delayed Auxiliary Switches

for mounting on 3RT2 contactors

Advantages at a glance

  • Flexible applicability for all contactor control supply voltages in the 24 – 240 V AC/DC range

  • Selectable outputs 1NO+1NC or 1CO

  • All modules with 24 – 240 V AC/DC wide voltage in the auxiliary circuit

  • Integrated electric locking and factory-integrated varistor (protective circuit) - easy configuration

  • Plug-on function modules for connection without tools

  • High setting accuracy thanks to selectable time ranges

  • Reduced variance – only 1 module for sizes S00 and S0

  • Add-on modules for reduced wiring and space savings