What this breaker is and what the ratings mean for your panel
The 3VA1032-3ED32-0AA0-ZD00 is a Siemens 3VA1 IEC frame 100 molded-case circuit breaker, 3-pole, with a 32 A rated current (In) and a fixed thermal-magnetic trip unit (TM210, FTFM). The 25 kA Icu at 415 V puts it in breaking capacity class N — meaning it can safely interrupt a fault up to that level without welding contacts or cascading upstream. That Icu rating is the key number for selectivity coordination: if your available fault current at the panel is under 25 kA at 415 V, this breaker clears it alone. Overload protection is fixed at Ir = 32 A (no adjustment band), and short-circuit protection is fixed at Ii = 10 × In (320 A). The TM210 curve is a standard thermal-magnetic characteristic — thermal for overloads, magnetic for shorts — suited for general line protection of cable runs, distribution bus, or downstream loads that don't need adjustable trip settings. The nut keeper kit is included for DC Power OEM applications in China; this is a factory-fit accessory, not a field-addable kit.
Deployment context — where it fits in the panel
This is a 3-pole IEC frame 100 breaker designed for DIN-rail or panel-mount installation in distribution boards, motor control centers, or OEM enclosures. The fixed Ir and Ii settings mean it is a fit-and-forget device for a dedicated feeder — no dials to mis-set during commissioning. The nut keeper kit is a mechanical detail for the DC Power OEM variant; it retains the terminal nuts during vibration, which matters if the panel ships to a site with transport or machine vibration.