What this part is and where it fits
The Siemens 6SL3210-5BB21-5AV0 is a SINAMICS V20 spare part — a compact variable-speed drive for 200-240 V 1-phase AC supply, delivering 1.5 kW rated power with 150% overload capability for 60 s. It's the exact replacement for a V20 unit in that power class, not a generic alternative. The 150% overload for 60 seconds means it handles short-duration peak loads (like a conveyor start or a pump breakaway torque) without tripping — that's the spec that matters when sizing for real motor duty, not just the continuous rating. Built-in I/O covers 4 digital inputs, 2 digital outputs, 2 analog inputs and 1 analog output — enough for a standalone speed/start-stop application without an extra I/O module. The integrated C2 filter keeps conducted emissions within the Class C2 limit for first-environment (residential) installations, so no external filter is needed for most single-phase lines.
Lifecycle and sourcing reality
The datasheet carries a revision date of 16.02.2021 with Änderungen vorbehalten (subject to change) — typical for an active product line. No EOL or PCN notice is on record for this order code.
Mounting and integration
IP20 / UL open type enclosure — install it inside a panel or cabinet with at least the clearance the manual specifies. The B-size footprint is 140 x 160 x 165 mm (WxHxD), which fits the standard V20 panel cutout. No DIN-rail clip; it's screw-mounted to the backplate. Fieldbus is USS/MODBUS RTU via the built-in BOP (Basic Operator Panel) interface. No PROFINET or EtherNet/IP on this variant — if the line requires a real-time industrial Ethernet bus, this isn't the right V20 order code.