The Siemens SENTRON 3VA2163-5JP32-0AA0 is a 3-pole molded case circuit breaker (MCCB) rated for line protection, carrying a continuous current Iu of 63 A across the full ambient range from 40 °C through 70 °C — no derating needed up to that ceiling. The ETU550 electronic trip unit handles the overcurrent release, with N-conductor protection adjustable from OFF to 40%–160% of the phase setting. Interrupting capacity is the headline number for this frame: 187 kA at 240 V AC, 121 kA at both 415 V and 440 V, 75.6 kA at 500 V, and 3.7 kA at the rated operating voltage of 690 V AC. Power loss is 4 W maximum.
Dimensions are 105 mm wide, 181 mm high, and 86 mm deep — a standard SENTRON 3VA frame footprint that drops into the same DIN-rail or mounting-plate cutout as other 3-pole units in the series.