What you're sourcing
The ACS800-U11-0030-5+L502: The catalog entry describes it plainly as an AC DRIVE by ASEA BROWN BOVERI, with no further functional ratings on record beyond the order code and mass. The +L502 suffix is a factory option string on the order code; treat it as part of the configuration when matching against a panel schedule or replacement RFQ.
Handling and panel-side fit
Listed mass is 64.86 kg, which is the figure to use for cabinet loading, lifting plan, and two-person handling — not a selection parameter for matching motor power. ACS800-U11 series drives are wall-mount units, so the loading figure feeds a wall-bracket or back-panel check on the receiving cabinet, not a through-floor frame.
Retrofit posture and what a second source actually buys you
For an upgrade call, the listed peer is the ACS880-01-156A-5; the only ledger-grounded delta is mass — 64.86 kg on the ACS800-U11-0030-5+L502 against 55.00 kg on the ACS880-01-156A-5 — which is a handling note, not a functional swap. Treat the ACS880 as a meets-the-specs sibling for a quote line, not as a confirmed drop-in: footprint, bus, and option-key behaviour sit outside this ledger, and the +L502 option string is specific to the ACS800 order code, so the buyer still has to confirm option mapping before specifying.
Lifecycle and sourcing posture
Sourcing runs through quote-to-order against an RFQ; the ACS800-U11 is an established ABB platform, but option strings like +L502 still need a configuration check against the receiving cabinet before a PO is cut.