15 kW drive — what the overload rating means for your motor
The 6SL3210-1KE23-2UB1: This SINAMICS G120C is rated 15.0 kW with 150% overload for 3 seconds — that extra torque headroom handles high-breakaway loads like a crusher or conveyor start without oversizing the drive frame. For steady fan/pump duty, you can size right at the motor nameplate. The unfiltered input (no built-in line filter) means the drive injects higher harmonic currents back onto the mains. If the installation needs to meet IEEE 519 or a plant THD limit, budget for an external line reactor or DC choke on the BOM.
I/O, safety, and fieldbus — what's on board
The I/O interface gives you 6 digital inputs, 2 digital outputs, 1 analog input, and 1 analog output — enough for basic speed control, run/stop, and feedback without an expansion module. Safe Torque Off (STO) is integrated, so you can wire an emergency-stop circuit directly to the drive without a separate safety relay. Integrated USS and Modbus RTU fieldbus covers most point-to-point or simple network setups — no extra communication board needed. The drive auto-detects the bus protocol on power-up.
Active production — no end-of-life concerns
RoHS compliant since 01-07-06; the REACH candidate list includes lead (CAS 7439-92-1) above 0.1% — factor this into any EU material compliance declarations.