What this MCCB carries — and what that means on the panel
The Siemens SENTRON 3VM1180-3ED22-0AA0 is a 2-pole molded case circuit breaker rated 80 A continuous at 40 °C through 50 °C, with a small derate to 74 A at 70 °C. That flat thermal curve means you can load it near its nameplate in a warm enclosure without recalculating every degree — useful when the panel sits next to a motor or drive. Breaking capacity hits 76 kA at 240 VAC and 53 kA at 415 VAC, so it handles high-fault scenarios on the line side of a distribution panel. The TM210 thermal-magnetic release gives fixed time-current curves — no interchangeable trip units, but also no adjustment screw to drift out of spec on a hot afternoon. Dimensions are 70 mm deep, 50.8 mm wide, 130 mm tall — a 2-inch wide footprint that fits a standard panel cutout. Front IP40 keeps dust out of the handle mechanism; the rest of the case is expected to be inside a dead-front enclosure.
What the 3VA sibling changes — and when it matters
The 3VA1010-2ED32-0JA0 is the electronic-trip sibling in the same SENTRON family. Both are 2-pole, 80 A MCCBs with the same physical footprint. The 3VM carries a TM210 thermal-magnetic release — fixed curve, no adjustments. The 3VA uses an electronic trip unit with adjustable I²t and short-time delay settings. If your coordination study calls for selective tripping or you need to dial in the curve for a generator feed, the 3VA is the right pick. For straightforward branch-circuit protection where you want a fixed, no-dial breaker that won't get re-calibrated by accident, the 3VM fits.
Panel fit and wiring notes
Mounts on a DIN rail or direct to a backplate via the screw terminals. The 50.8 mm width matches standard 2-pole MCCB spacing — no surprises when you lay out a multi-breaker panel. Line and load lugs accept copper or aluminum conductors; torque values are marked on the case. No undervoltage release, no shunt trip, no motor drive, no communication module on this variant. It's a plain-vanilla line-protection breaker — install it, torque it, label it, move on. The IP40 front keeps the handle and trip-indicator window clean in a typical industrial enclosure.