The Siemens 3VA2163-5JP32-0CH0 is a SENTRON molded case circuit breaker (MCCB) designed for line protection in three-phase distribution. It carries a continuous current rating of 63 A that holds flat from 40 °C through 70 °C — no derating needed across typical panel ambient temperatures. The 3-pole unit breaks up to 187 kA at 240 V AC, dropping to 121 kA at 415 V, and still handles 75.6 kA at 500 V. The interrupting capacity at 690 V is 3.7 kA, so this frame is sized for 240–500 V distribution, not 690 V motor circuits.
Built-in auxiliaries and release
The breaker ships with two auxiliary switches plus a trip alarm switch (HQ configuration) and an undervoltage release (UVR) integrated. The UVR is the release type, not a separate module — it drops the breaker when control voltage is lost, which is the standard fit for emergency-stop or undervoltage protection schemes. A communication function is also present on this variant, meaning it can report status or accept remote trip signals without an external add-on. The trip indicator is mechanical, visible on the front face.
Physical fit and panel integration
The breaker measures 105 mm wide, 181 mm tall, and 86 mm deep. It mounts on a DIN rail or direct panel via the SENTRON 3VA base plate. The 86 mm depth is the overall dimension including the handle and terminals — verify panel depth clearance if the breaker is installed in a shallow enclosure with a door-mounted operator. The width of 105 mm is the standard 3-pole SENTRON frame width; it occupies three 35 mm DIN-rail module positions.
Selectivity and coordination notes
The adjustable overload range runs from a minimum of 95 A to a maximum of 756 A — note that 95 A is the lowest pickup setting, not the continuous rating. The continuous rating is fixed at 63 A. The wide adjustment band allows the breaker to be selectively coordinated with downstream 63 A or 100 A feeders, but the frame itself is a 63 A continuous device. For selectivity tables, Siemens publishes coordination curves for the 3VA2 frame; the 187 kA at 240 V and 121 kA at 415 V give headroom for high-fault installations like transformer secondaries or large panelboards.