The Siemens SENTRON 3VA2010-4HM32-0AA0 is a 3-pole molded case circuit breaker (MCCB) rated for 100 A continuous current, designed for line protection in distribution panels. It carries a breaking capacity of 121 kA at 240 V, 75.6 kA at 415 V and 440 V, 52.5 kA at 500 V, and 3 kA at 690 V — the SCCR headroom at the lower voltages is what makes this part suitable for high-fault-capacity mains entry points.
The 100 A continuous rating holds across the full ambient range from 40 °C to 70 °C — no derating curve to apply for elevated panel temperatures, which simplifies the BOM entry for a panel that runs warm. The operating temperature range spans -25 °C to 70 °C, with storage from -40 °C to 80 °C. This MCCB includes summation-current ground-fault monitoring on the L-conductor path, which is a configuration for detecting leakage on the line side without a separate GFCI module.
Physical integration
Dimensions are 105 mm wide, 181 mm high, and 86 mm deep — a standard 3-pole MCCB footprint that fits Siemens SENTRON mounting bases and busbar systems. Panel layout should account for the 105 mm width per pole set.