What the ratings mean for fit
The 3VA1180-4ED32-0AA0-ZD00 is a 3-pole IEC frame 160 circuit breaker from the Siemens 3VA1 line, configured for line protection with a fixed thermal-magnetic TM210 trip unit. The headline breaking capacity is Icu=36kA at 415V, placing it in breaking capacity class S — that is the maximum fault current it can safely interrupt at that voltage without damage, which governs whether it coordinates with downstream devices in a selective scheme. Overload protection is fixed at Ir=80A (equal to the In rating), and short-circuit protection is fixed at Ii=10 x In, so the magnetic trip threshold is 800A. This is a fixed-setting breaker; no adjustment dials for Ir or Ii are present on the TM210 unit. The nut keeper kit and DC Power OEM designation in the description indicate this variant was configured for a specific OEM assembly in China — the nut keeper retains the mounting hardware during panel vibration or transport. For a replacement or BOM fill, confirm the physical footprint matches the existing DIN-rail or panel-mount cutout; the 3VA1 frame 160 occupies a standard 3-pole width on the rail.
Lifecycle and sourcing reality
For a BOM line that calls out this exact order code, the fixed thermal-magnetic settings (Ir=80A, Ii=10 x In) and the 36kA @ 415V breaking capacity are the binding specs. A substitution to a standard 3VA1 breaker with the same frame, poles, and trip unit would require verifying the nut keeper kit and any OEM-specific markings are acceptable to the end customer or inspector.
Deployment context
This breaker mounts on a DIN rail inside a control panel or distribution board, sized for IEC 60947-2 coordination. The 36kA SCCR at 415V means it can be installed at a service entrance or sub-distribution point where the available fault current reaches that level, provided the upstream device (transformer or main breaker) has a higher or equal rating. The fixed trip settings simplify commissioning — no dials to verify — but also mean the breaker is dedicated to a specific load current; any change in load requires swapping the breaker, not adjusting it.