63 A MCCB with full-temperature rating and high interrupting capacity
The Siemens SENTRON 3VA2163-6HN36-0AB0 is a 3-pole molded case circuit breaker rated for 63 A continuous current across the full operating temperature range from -25 °C to 70 °C — no derating needed from 40 °C through 70 °C, which simplifies panel design in warm cabinets or outdoor enclosures. Interrupting capacity hits 242 kA at 240 V, 187 kA at 415 V and 440 V, 121 kA at 500 V, and 3.7 kA at 690 V — that 242 kA at 240 V tells you this breaker is sized for high-fault utility or transformer-fed service entrances where available fault current is substantial.
Line protection with auxiliary switch integration
Designed for line protection (not motor or generator protection), this MCCB ships with two HP auxiliary switches built in — no separate add-on module needed for status feedback to a PLC or SCADA system. No undervoltage release, no ground-fault monitoring, no communication function — this is a straightforward thermal-magnetic or electronic-trip breaker for distribution panels where the trip indicator and auxiliary contacts are the only accessories required.
Physical fit and panel integration
Dimensions are 181 mm high, 105 mm wide, 86 mm deep — the 105 mm width is standard for a 3-pole MCCB in this frame size, so it drops into existing SENTRON or competitor panel cutouts without re-drilling the gland plate. Maximum power loss is 4 W, which keeps internal cabinet heating low even in densely packed enclosures — relevant for thermal coordination in sealed NEMA 4X or IP65 boxes.