The Siemens 3RK1301-0GB00-0AA2 is a SIMATIC-branded direct motor starter designed for 24 V DC control supply. The unit is pluggable onto a terminal module, so it swaps without disturbing the power wiring. Rated for a 50 kA short-circuit current at 400 V, this starter can be installed on a high-fault-capacity bus without additional upstream fusing in many panel designs. It supports both PROFINET and PROFIBUS DP protocols, so it integrates into either a Siemens S7 environment or a mixed-vendor line via the fieldbus.
The starter measures 265 mm high, 45 mm wide, and 120 mm deep. It mounts vertically or horizontally and fastens by plugging onto a terminal module — no screwdriver needed for the base connection. Vibration resistance is 2g, shock resistance 5g for 11 ms — typical for industrial cabinet mounting. Pollution degree is 3 at 400 V and 2 at 500 V per IEC 60664, so it's suitable for dirty environments if the cabinet is sealed.