Products

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  3RU SIRIUS overload relays - For standard applications 3RU11 thermal overload relays up to 100 A with tripping CLASS 10
  

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  3RB20 and 3RB21 SIRIUS solid-state overload relays - For standard applications 3RB20 solid-state overload relays up to 630 A with tripping CLASS 10 or CLASS 20 3RB21 solid-state overload relays up to 630 A where tripping CLASSES 5 to 30 can be set and a ground fault detection function that can be enabled.
  

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  SIRIUS overload relays - For high-feature applications 3RB22 solid-state overload relays up to 630 A where tripping CLASSES 5 to 30 can be set, a ground fault detection function can be enabled, a PTC sensor can be connected as well as monostable auxiliary contacts. The overload relays are certified according to ATEX and thus suitable for motors with "increased safety" type of protection EEx e.