What it is and what it does
The Siemens 3VA1050-3ED32-0AA0-ZD00 is a 3-pole IEC frame 100 molded-case circuit breaker with a breaking capacity class N, rated Icu=25kA at 415V. It is configured for line protection with a TM210 thermal-magnetic trip unit, fixed overload protection set at Ir=50A, and fixed short-circuit protection set at Ii=10 x In (500A). The unit includes a nut keeper kit and is designated for a DC Power OEM in China. The 25kA interrupting rating at 415V means this breaker can safely clear faults up to that level without upstream cascading failure — a key coordination point for panel builders sizing downstream protection in IEC-based distribution.
Lifecycle and sourcing reality
For a BOM line that needs this exact variant — with the fixed TM210 trip, 50A rating, and nut keeper kit — the part is sourced and quoted to order against an RFQ. Availability and current pricing are confirmed at quote time through independent distribution.
Deployment context
This breaker mounts in a standard panel enclosure on a DIN rail or direct-mount backplate, sized for IEC frame 100. The fixed thermal-magnetic trip (Ir=50A, Ii=10 x In) suits it for fixed-load feeder protection where no field-adjustable overload is needed — common in OEM machinery or sub-distribution boards.