The 6SL3220-1YD44-0UB0 is a SINAMICS G120XA AC drive rated 90 kW at 400 V in low overload (LO) duty, drawing 164 A continuous. For higher-breakaway loads, the max output current of 181 A provides headroom for short-duration acceleration peaks. The 0–550 Hz output range in V/f control covers high-speed spindle applications; vector control tops out at 240 Hz, which suits most servo-class positioning on conveyors or winders.
Efficiency and thermal budget — 0.98 and 2.16 kW loss
At 0.98 efficiency, the drive wastes 2.16 kW as heat at full load. That loss figure drives the enclosure ventilation requirement — a panel with this drive needs forced airflow or a heat exchanger to keep ambient below the 40 °C derating threshold typical for G120XA frames. The power factor range of 0.75–0.93 (cos φ 0.99 offset) means the input harmonics are moderate for a 6-pulse drive; if the plant has strict THD limits, a line reactor or active filter on the supply side is worth budgeting.
Mature lifecycle — what that means for a BOM line
For a tail-spend buyer consolidating onto a preferred catalog, this is a stable line item — the SINAMICS G120XA series has been on the market long enough that spares and documentation are settled.
Physical fit — 61 kg and panel integration
The 4 kHz pulse frequency is the factory default; raising it quiets motor whine but derates output current. For a pump application where acoustic noise is secondary, leaving it at 4 kHz keeps the full 164 A available.