What the order code actually covers
The 6SL5166-8AF01-0AA0 is a SINAMICS S220 terminal kit sized for the Smart Line module in the 150 mm booksize frame, covering the 36 kW and 55 kW power classes — it is the connector / terminal accessory that ships with that module family, not a drive itself (cite:). Catalog taxonomy places it under Group Code R220 and Product Group X0HX (cite:,cite:), which is how Siemens routes the line item through ordering and pricing. Because it is accessory hardware that mates to a specific module frame, the wrong variant will not seat on a different booksize width — confirm the module rating (36/55 kW, 150 mm) before committing the BOM line (cite:).
Production status and return class
Lifecycle is recorded as Active on the Siemens ordering record, so the part is still in normal production flow rather than a last-time-buy position (cite:,cite:). The product class is flagged B — return restricted, contact your Siemens partner — which means once it leaves the channel it is not returnable against credit the way a standard stock item would be (cite:). That affects how a panel builder or MRO buyer should stage a first article: order the matched quantity rather than over-spec to cover trial spares.
Compliance and documentation the buyer will need
REACH Article 33 disclosure is handled through the standard Reach Information channel rather than a printed substance list on the carton (cite:). Order unit is 1 Piece with a packaging quantity of 1 (cite:,cite:) — there is no bulk-pack discount tier on this line item, so spare-part holding buys piece quantity, not case quantity.