The Siemens 6SL3200-6AE21-0BH0 is a G120P variable speed drive in frame size FSB, delivering 4 kW power output at 10.2 A from a 400 V three-phase supply. It's built for pump and fan applications — the P in G120P stands for pump — with a built-in Filter B that meets EN 61800-3 conducted emission limits for the second environment (industrial). That means you can drop it into a standard industrial panel without an external EMC filter for most installations.
Output capability and overload
Output frequency reaches 550 Hz, so it can run high-speed spindles or centrifugal loads that need more than line frequency. The overload curve is honest: 110 % for 57 seconds and 150 % for 3 seconds, each cycle every 300 seconds. That's enough for starting inertia on a fan, but not for a crusher or a press — the G120P is sized for quadratic torque profiles, not constant-torque shock loads.
Fieldbus and I/O
Onboard communication covers Modbus/RTU, RS485/USS, and BACnet MS/TP — the BACnet support is why this drive shows up in HVAC panels. Optional PROFIBUS, PROFINET, and CANopen cards slot in when the network demands it. The I/O complement is 4 analog inputs, 2 analog outputs, and 6 digital inputs, which is enough for a basic PID loop plus a few external interlocks without an expansion module.