Siemens 3VA2163-6JP36-0AA0 SENTRON MCCB, 63 A, 242 kA at 240

The Siemens 3VA2163-6JP36-0AA0 is a 3-pole SENTRON molded case circuit breaker rated for 63 A continuous current across the full ambient range from 40 °C to 70 °C — no derating needed up to that ceiling. That flat thermal curve simplifies panel design: you size the bus and cable for 63 A and the breaker holds it, even in a warm enclosure. Interrupting capacity is the headline: 242 kA at 240 V, 187 kA at 415 V and 440 V, 121 kA at 500 V, and 3.7 kA at 690 V. At the common 415 V distribution level, 187 kA SCCR means this breaker can clear a bolted fault on a large transformer secondary without rupturing — it's sized for high-fault industrial switchboards, not light commercial panels. The ETU550 electronic trip unit gives adjustable long-time, short-time, instantaneous, and ground-fault protection curves. Communication function is built in, so the breaker can report status and trip events over the plant network — useful for a maintenance team tracking nuisance trips on a bottling line or a packaging cell.

Footprint and panel fit