The Siemens 3VA1080-4ED32-0BA0 is a SENTRON molded case circuit breaker (MCCB) rated for line protection in three-phase distribution panels. It carries a rated continuous current Iu of 80 A and a TM210 thermal-magnetic overcurrent release, so it handles motor-start inrush without nuisance trips while still clearing a hard short fast. Breaking capacity is 121 kA at 240 V AC, 75.6 kA at 415 V, 52.5 kA at 440 V, and 11.9 kA at 690 V — that covers most industrial service-entrance and feeder applications without needing a current-limiting fuse upstream. The breaker includes an undervoltage release (UVR) as standard, so it drops the load if the control voltage dips below the dropout threshold — useful for preventing single-phasing damage on motor loads.
Dimensions are 130 mm high, 76.2 mm wide, and 70 mm deep — a standard 3-pole MCCB footprint that fits most DIN-rail or panel-mount enclosures without re-drilling gland plates. Front protection is IP40, so it is suited for dry indoor panels; no washdown rating, so keep it out of hose-down zones. The TM210 release holds 80 A continuously up to 50 °C ambient; at 55 °C it derates to 76.8 A, at 60 °C to 75.2 A, at 65 °C to 73.6 A, and at 70 °C to 72 A. If the panel runs hot, size the breaker for the derated figure. The auxiliary trip accessory order code is 3VA9608-0BB11 — order separately if you need remote shunt-trip capability. No integrated auxiliary contacts or ground-fault monitoring on this variant.