SENTRON 3VA2163-6HN32-0KA0 — 63 A MCCB with shunt trip, active line protection
The Siemens SENTRON 3VA2163-6HN32-0KA0 is a 3-pole molded case circuit breaker rated for 63 A continuous current across the full 40 °C to 70 °C ambient range, meaning no derating is needed in a warm panel — the full 63 A holds at 70 °C. Breaking capacity runs 242 kA at 240 V, 187 kA at 415/440 V, 121 kA at 500 V, and 3.7 kA at 690 V — the 690 V figure is the pinch point for high-voltage distribution; verify your fault current at that level before committing the BOM line. Designed for line protection (feeder duty), this MCCB includes a shunt trip release (STL) for remote tripping — no undervoltage release, no auxiliary switch, no ground-fault monitoring on this variant. Power loss is 4 W maximum at rated current — negligible for panel thermal budgeting, but worth noting if you are packing multiple breakers in a sealed enclosure.
Physical fit and panel integration
Dimensions are 105 mm wide × 181 mm high × 86 mm deep — standard SENTRON 3VA form factor for 3-pole frames up to 63 A. Mounts on a DIN rail or direct panel-mount; the 105 mm width occupies three 35 mm module spaces on the rail. Operating temperature range is -25 °C to 70 °C; storage range -40 °C to 80 °C — suitable for unconditioned enclosures in most industrial environments.