Sirius Compact Branch Reversing Starter 690 V AC/DC 110...240 V 50...60 Hz 0.32...1.25 A IP20 Connection Main Circuit: Screw Connection Connection Control Circuit: Screw Connection. The Sirius 3RA62 compact branch is designed for direct starting of three-phase standard motors up to 32 A. These devices combine the functions of circuit breakers, contactors, and electronic overload relays, providing very high operational reliability. A low variance simplifies logistics. The compact design saves space in the control cabinet. Thanks to removable terminals, easy replacement is possible. The devices are globally certified (e.g., IEC and UL/CSA). The compact branches are available as direct or reversing starters and come with various setting ranges. Designed for AC/DC operation, they are available with screw, spring-loaded connections, or without terminals. In addition to communication connectivity via AS-Interface, accessories such as the 3RA68 power supply system, auxiliary contacts, and terminals are available. Simple, efficient, always up to date - the Sirius system modular concept.