Servo drive identity and sourcing posture
The ILS1F573S1309 is a Schneider Electric servo drive, carrying the Square D brand mark, classified under Servo Drives & Controls within the Motors & Motor Controls top category.
What the lifecycle stage means for a BOM freeze
For a sourcing buyer holding a BOM line that calls out this exact order code, the current status removes the urgency of an obsolescence-driven substitution study. Because no official cross-reference or replacement part number is listed, the ILS1F573S1309 is the sole factory-validated option for any application that requires the original Square D servo drive identity — a pin-compatible alternative would require a board-level or wiring-harness change and is not documented by the manufacturer.
Sourcing the ILS1F573S1309 for volume or MRO
No stock-holding claim is made here — each order is placed against the confirmed supply chain position, so the lead time is the one quoted at RFQ, not a published number.