The Siemens 3RA2110-0HA15-1BB4 is a robust and reliable load feeder designed for fuseless direct-on-line starting at 400 V AC. This component, part of the SIRIUS product family, is engineered for DIN-rail or screw mounting, offering flexibility and ease of installation in a variety of industrial settings. With a mechanical service life of approximately 30 million switching cycles, this load feederThe Siemens 3RA2110-0HA15-1BB4 is a robust and reliable load feeder designed for fuseless direct-on-line starting at 400 V AC. This component, part of the SIRIUS product family, is engineered to facilitate straightforward and efficient motor starting solutions. With a compact S00 construction size, it is suitable for DIN rail or screw mounting, offering flexibility in installation.
The device features a three-pole main circuit with an electromechanical contact design and an adjustable current-dependent overload release ranging from 0.55 to 0.8 A. It operates at a rated control supply voltage of 24 V DC and has a holding power of the magnet coil at 4 W, ensuring stable performance in various industrial environments.
The 3RA2110-0HA15-1BB4 is equipped with a thermal (bimetallic) overload release, classified under trip class CLASS 10, providing reliable protection for motors. It also includes an auxiliary switch for product extension, enhancing its functionality.
Designed to withstand challenging conditions, it has a mechanical service life of typically 30 million switching cycles and can operate within an ambient temperature range of -20 to +60 °C. The device is also finger-safe, offering protection against electrical shock, and has an IP20 protection class for the front side and connection terminals.
This load feeder is a testament to Siemens' commitment to quality and efficiency, making it a suitable choice for a wide range of industrial motor control applications.