What this MCCB delivers on the line
The Siemens 3VA1163-6ED32-0AA0 is a SENTRON 3VA1 molded case circuit breaker (MCCB) built for line protection — the main feeder or large branch in a distribution panel. It carries a continuous 63 A at 40 °C (derated to 58 A at 70 °C) across three poles, with a TM210 thermal-magnetic release that handles overload and short-circuit tripping without external control power. Breaking capacity is the headline here: 220 kA at 240 V AC, 154 kA at 415 V, 121 kA at 440 V, and still 17 kA at 690 V. That 220 kA figure at 240 V means it can interrupt a fault current up to 220,000 amps without welding contacts or venting plasma — essential where the transformer and bus can deliver that kind of energy. At 690 V the 17 kA still covers most industrial motor-circuit fault levels. Rated insulation voltage is 800 V, so it's rated for 690 V systems with margin. The front face carries IP40 protection — fine for a closed panel, but not for washdown areas. No communication module, no ground-fault monitoring, no undervoltage release on this variant; it's a straight thermal-magnetic breaker with a manual trip indicator absent.
Selectivity and coordination notes
For a site electrical engineer working through a coordination study: the 63 A frame with 220 kA SCCR at 240 V gives you headroom to cascade downstream breakers with lower interrupting ratings, provided the let-through energy (I²t) of this MCCB is below the withstand of the downstream devices. Siemens publishes energy let-through curves for the 3VA1 series — use those, not generic assumptions, for the series-rating tables. The TM210 release is fixed thermal and fixed magnetic — no interchangeable trip units, no electronic adjustment. That simplifies spares but locks you into the 63 A rating. If the load grows, you replace the breaker, not the trip.
Panel fit and mounting
Dimensions: 130 mm height, 76.2 mm width, 70 mm depth. The 76.2 mm width occupies three pole positions on a DIN rail. Operating temperature range is -25 °C to +70 °C; storage from -40 °C to +80 °C. Power dissipation at rated current is 17.3 W maximum — negligible for panel thermal calculations but worth noting if the enclosure is densely packed.