What this MCCB delivers in the panel
The Siemens SENTRON 3VA2063-6HN32-0HH0 is a 3-pole molded case circuit breaker rated for 63 A continuous current across the full ambient range from -25 °C to 70 °C — no derating needed up to 70 °C, which simplifies panel sizing in warm enclosures. Its interrupting capacity hits 242 kA at 240 V AC and still holds 187 kA at 415/440 V, so it clears high-fault conditions without cascading upstream — a solid choice for main or branch protection in high-available-fault-current installations. The breaker carries two auxiliary switches plus a trip alarm switch (HQ) and a shunt trip release (STL) built in, giving the controls integrator direct status feedback and remote trip capability without adding external accessories.
Panel fit and dimensions
At 105 mm wide, 181 mm tall, and 86 mm deep, it fits standard Siemens SENTRON mounting footprints and panel cutouts used across the 3VA platform. The 86 mm depth leaves clearance for rear-connected busbars and wiring troughs. Power loss is rated at 5.4 W maximum — low enough that thermal rise inside a sealed enclosure stays manageable without forced ventilation for most single-breaker installations.