Siemens SENTRON 3VA1063-2ED32-0CA0 — 63 A MCCB with Undervoltage Release
The Siemens SENTRON 3VA1063-2ED32-0CA0 is a 3-pole molded case circuit breaker (MCCB) rated for 63 A continuous at 40 °C, with a TM210 thermal-magnetic overcurrent release. It carries a 52.5 kA interrupting capacity at 240 V, stepping down to 32 kA at 415 V and 13.6 kA at 440 V — solid selectivity headroom for a 63 A feeder on a 400 V distribution board.
63 A continuous rating holds flat from 40 °C to 50 °C, then derates to 62 A at 55 °C, 61 A at 60 °C, 60 A at 65 °C, and 58 A at 70 °C — useful when the breaker is packed into a warm enclosure with other heat sources. The 52.5 kA at 240 V is the maximum short-circuit current the breaker can safely interrupt at that voltage; at 415 V it drops to 32 kA, still enough for most industrial service-entrance applications. The undervoltage release (UVR) is factory-fitted, so no field kit is needed; verify coil voltage matches your control circuit before installation.
The 3VA1063-2ED32-0CA0 measures 70 mm deep, 76.2 mm wide, and 130 mm tall — a standard 3-pole MCCB footprint that drops into most SENTRON panelboards and distribution blocks without re-drilling.