What this 3VA1 MCCB carries
The Siemens 3VA1180-5ED42-0AA0-ZD00 is a 4-pole IEC frame 160 molded case circuit breaker with a fixed 80 A thermal-magnetic trip unit (TM210). Its 55 kA Icu at 415 V places it in breaking capacity class M — enough for most industrial distribution panels fed from a 500 kVA transformer or smaller, where fault current at the main switchboard stays under that threshold. The N conductor is unprotected (solid neutral), and the unit ships with a nut keeper kit; the -ZD00 suffix flags a DC Power OEM variant built for the China market.
What the ratings mean for fit
The fixed 80 A Ir (overload) and 10 x In (Ii = 800 A) short-circuit pickup mean this breaker is sized for a feeder or large motor branch where the full-load current is 80 A and the inrush won't nuisance-trip the magnetic element. The 55 kA Icu at 415 V is the maximum fault current it can safely interrupt once — above that, upstream coordination (a current-limiting fuse or a higher-rated main breaker) is required. The TM210 trip curve is thermal-magnetic, not electronic, so it's a direct swap for older Sentron or 3VL series breakers with the same frame and trip range.
Panel integration notes
Mounts on a standard DIN rail or direct panel-mount via the 3VA1 base. The 4-pole footprint (3 protected phases + solid neutral) fits a 4-module cutout in a Siemens 8MC or 8MF distribution board. The nut keeper kit is included for the line-side lugs — verify the lug size matches your cable (typically 50–95 mm² for 80 A). No auxiliary contacts or shunt trip are fitted as standard; order separately if remote trip indication or undervoltage release is needed.