63 A MCCB with full interrupting range
The Siemens SENTRON 3VA2163-7HN32-0DL0 is a 3-pole molded case circuit breaker (MCCB) rated for 63 A continuous current across the full ambient range from 40 °C to 70 °C — no derating needed up to that ceiling. Its interrupting capacity reaches 330 kA at 240 V, dropping to 242 kA at 415/440 V, 187 kA at 500 V, and 3.7 kA at 690 V. That 330 kA figure at 240 V covers high-fault scenarios common in industrial distribution — large transformers or parallel-fed busways — where a standard MCCB would cascade failure upstream.
Line protection with undervoltage release
This variant is configured for line protection (not motor or feeder) and includes an undervoltage release (UVR) — the coil drops the breaker if supply voltage falls below threshold, which is standard for emergency-stop chains or undervoltage lockout on machine-tool panels. The auxiliary switch block carries two auxiliary switches plus one trip alarm and one electrical alarm switch (HQ type), giving status feedback for PLC or SCADA inputs. No communication function or ground-fault monitoring is integrated; those are separate order-code branches.
Dimensions and panel fit
The breaker measures 105 mm wide, 181 mm high, and 86 mm deep — a standard SENTRON 3VA2 frame footprint. It mounts on a DIN rail or directly to a backplate via the integral latching mechanism. The 86 mm depth leaves clearance behind a standard 200 mm deep enclosure door.