What it is on the BOM
The Siemens 6SL5166-8AD00-0AA0 is an S220 terminal kit — MOMO 100 mm rated 30 A — sold as a single piece, catalogued under Group Code R220, Product Group X0HX, product class B (return restricted, routed through a Siemens partner) per the official ordering record. It is an accessory, not a drive: SINAMICS terminal kits like this one supply the power and motor lead connections at the S220 block, so the BOM line shows up wherever the drive's terminal block is being replaced, retrofitted, or built up on a panel — never on its own as a converter.
Ratings that decide the fit
30 A is the terminal kit's continuous-current ceiling — that figure, not the connector form alone, is what gates whether it can be specified on a given S220 line. Above 30 A the BOM should move to the next-larger terminal accessory rather than reuse this kit. The 100 mm MOMO geometry fixes the physical foot on the S220 drive chassis, so any cross-reference check has to clear both the current number AND the dimensional match — a same-current terminal in a different housing does not drop in.
Lifecycle and compliance
Production status is recorded as current per the manufacturer's lifecycle field, so the BOM line is supported on the active channel — no last-time-buy clock, no PCN/EOL on file. RoHS compliance dates from 05-05-17 and a REACH Art. 33 disclosure applies, so EU export paperwork (declaration packs, REACH-SVHC statements) is straightforward; export control is AL: N / ECCN: N, which keeps most international shipments outside the dual-use licensing track.
Sourcing posture
Product class B (return restricted) means the kit is sourced through a Siemens partner arrangement rather than off-the-shelf returns — for a buyer that translates into an RFQ-driven order path rather than a click-and-return cart line, with pricing and lot availability confirmed when the quote is built.