The Siemens 3VA2163-5MN36-0AA0 is a SENTRON molded case circuit breaker (MCCB) designed specifically for motor protection, with a continuous current rating of 63 A that holds flat from 40 °C through 70 °C — no derating needed in a warm enclosure. Its 3-pole construction and adjustable trip class (10A, 10E, 20E) let you match the thermal curve to the motor start profile, so nuisance trips on high-inertia loads are avoided.
Breaking capacity and selectivity
At 415 V the interrupting rating is 121 kA — enough to handle high-fault utility feeds without cascading upstream. The rating drops to 75.6 kA at 500 V and to 3.7 kA at 690 V, so verify your system voltage against the curve before specifying. At 240 V it delivers 187 kA, covering most North American panelboard applications.
Physical fit and environment
Dimensions are 105 mm wide, 181 mm tall, and 86 mm deep — standard SENTRON 3VA form factor for panel integration. Operating temperature range is -25 °C to 70 °C; storage from -40 °C to 80 °C. Phase failure detection is built in, but there is no undervoltage release, no ground-fault monitoring, and no communication module on this variant — it is a pure motor-protection breaker.