MCCB for Motor Protection with Shunt Trip
The Siemens SENTRON 3VA2110-5MN32-0HA0 is a 3-pole molded case circuit breaker (MCCB) designed specifically for motor protection, with a continuous current rating of 100 A that holds flat from 40 °C through 70 °C — no derating needed across that band, which simplifies panel sizing in warm enclosures. It carries a shunt trip release (STL) for remote tripping and includes phase failure detection, so it can drop a motor load when a phase is lost — a common cause of single-phasing damage on three-phase motors.
Interrupting Capacity and Selectivity
Interrupting capacity is 187 kA at 240 V, 121 kA at 415 V and 440 V, 75.6 kA at 500 V, and 3.7 kA at 690 V. The 121 kA at 415 V gives solid headroom for most industrial distribution panels with high fault-current availability — you can coordinate downstream without worrying about the main tie point.
Physical Fit and Panel Integration
Dimensions are 105 mm wide, 181 mm tall, 86 mm deep — fits standard Siemens SENTRON 3VA panel cutouts and busbar systems. The 3-pole form factor matches existing 3VA-series mounting footprints, so a swap from a different 3VA variant typically needs no re-drilling.