What this card does in the drive
The Siemens 6SL3356-3AG38-1AA7 is a replacement IPD (Interface and Protection) card for a water-cooled (CuNi) SINAMICS S120 Motor Module rated at 800 kW, 500-690 VAC three-phase, 50/60 Hz, and 810 A. This card sits between the control unit and the power stage, handling gate-drive signals, fault detection, and the module's protection logic. If the card fails, the Motor Module drops its ready state and the drive faults out — no up-tower swaps on a nacelle; you carry this card in the spares kit.
The part carries an Active lifecycle status from Siemens and is classified with a mature lifecycle stage. It remains in the current ordering portfolio. RoHS compliance is confirmed since 01-04-18, and REACH Article 33 applies due to lead (CAS 7439-92-1) above 0.1% w/w in the candidate list. Export controls are AL: N / ECCN: N, so no special license is needed for standard commercial shipments.
