What's in the box
Siemens SENTRON 3VA2063-5HL32-0JL0 is a 3-pole molded case circuit breaker rated for 63 A continuous at 40 °C through 70 °C — no derating needed across that band. Interrupting capacity hits 187 kA at 240 V, drops to 121 kA at 415 V and 440 V, then 75.6 kA at 500 V, and 3 kA at 690 V. That's a lot of fault-clearing headroom for a 63 A frame; you're not going to run out of SCCR on a typical 480 V distribution board. This is a line protection breaker — designed for feeder and main applications, not motor branch circuit protection. The continuous current rating stays flat at 63 A from 40 °C to 70 °C ambient, which is unusual; most MCCBs start derating above 40 °C. That means you can pack it into a warm enclosure without losing ampacity. Power loss is 5.4 W max, so heat dissipation in the panel is manageable. Dimensions are 105 mm wide, 181 mm tall, 86 mm deep — fits standard SENTRON mounting patterns. Operating temperature range is -25 °C to 70 °C; storage from -40 °C to 80 °C.
Auxiliaries and releases
Comes with 2 auxiliary switches, 1 trip alarm switch, and 1 electrical alarm switch (HQ configuration). That's four discrete signals for status feedback — enough to tell a PLC whether the breaker is on, off, tripped on fault, or tripped on alarm without extra interposing relays. Also includes a shunt trip release (STL) for remote opening via a control signal. No undervoltage release fitted on this variant, and no ground-fault monitoring module. If you need UVR or GF protection, you're looking at a different suffix in the 3VA2 family. Communication function is also absent — this is a standalone breaker, not a smart metering device.
