The Siemens 3VA1063-4ED32-0KA0 is a 3-pole SENTRON molded case circuit breaker (MCCB) rated for 63 A continuous current at 40 °C, with a TM210 thermal-magnetic overcurrent release and an integrated shunt trip (STL) for remote tripping. Breaking capacity reaches 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 — figures that govern selectivity coordination in high-fault distribution panels.
At 415 V, the 75.6 kA interrupting rating positions this MCCB for main or feeder duty in installations where the prospective short-circuit current exceeds what a standard 50 kA or 65 kA breaker can handle — common in industrial substations or near large transformers. The 121 kA at 240 V is typical for North American 277/480 V panels where the line-to-neutral fault current can be extreme; the 690 V rating of 11.9 kA covers 600 V class Canadian and IEC installations.
Dimensions are 130 mm height, 76.2 mm width, and 70 mm depth — a compact 3-pole footprint that fits standard Siemens 3VA panel cutouts and busbar systems. The TM210 release is thermal-magnetic, adjustable for long-time and instantaneous pickup, with a shunt trip (STL) accessory that accepts a remote trip signal — wired to the auxiliary trip port using the 3VA9688-0BL33 interface.