3VA1110-3EE32-0AA0 — SENTRON MCCB, 100 A, TM220 Release
The Siemens SENTRON 3VA1110-3EE32-0AA0 is a 3-pole molded case circuit breaker rated 100 A at 40 °C, with a TM220 thermal-magnetic overcurrent release designed for line protection. Its interrupting capacity hits 75.6 kA at 240 V and still delivers 52.5 kA at 415 V — enough headroom for most industrial distribution panels without cascading upstream.
Ratings That Drive the Fit
The 100 A rating holds flat from 40 °C through 50 °C, then derates gradually to 91 A at 70 °C — a useful curve for warm enclosures where you don't want to oversize the frame just for ambient. Interrupting capacity drops with voltage: 75.6 kA at 240 V, 52.5 kA at 415 V, 32 kA at 440 V, and 11.9 kA at 500 V and 690 V. Selectivity studies should use the voltage closest to your system's bolted-fault level. The TM220 release means a fixed thermal pickup and magnetic trip — no interchangeable trip units, but also no adjustment errors in the field. Designed for straightforward line protection, not motor or generator circuits.
Panel Integration
Measures 130 mm high, 76.2 mm wide, 70 mm deep — a compact 3-pole footprint that fits standard DIN-rail or panel-mount layouts. Maximum power loss of 25 W at rated current should be factored into enclosure thermal calculations.