What this MCCB is and what it does
The Siemens SENTRON 3VA2010-6HN32-0AE0 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 242 kA interrupting capacity at 240 V AC, dropping to 187 kA at 415/440 V, 121 kA at 500 V, and 3 kA at 690 V — so it handles high-fault scenarios at low voltage while maintaining substantial capacity at standard industrial voltages.
Key ratings and what they mean for your panel
Rated insulation voltage is 800 V, meaning the breaker's internal clearances and creepage are designed for 800 V systems even though the interrupting ratings drop at higher voltages. The 100 A continuous rating holds flat across the full ambient range from 40 °C to 70 °C — no derating needed in a warm enclosure, which simplifies panel thermal calculations. Maximum power loss is 13.5 W per pole at rated current — useful for enclosure heat budget if you're stacking multiple breakers in a sealed cabinet. Operating temperature range is -25 °C to +70 °C, storage from -40 °C to +80 °C. This is a line-protection design (not motor-protection or feeder-protection specific), so the thermal-magnetic trip curve is set for cable and busbar protection. It ships without undervoltage release, without ground-fault monitoring, and without communication function — pure overcurrent protection with four auxiliary switches (HQ type) for status feedback.
Panel fit and integration
Dimensions are 105 mm wide, 181 mm high, 86 mm deep — a standard 3-pole MCCB footprint that fits most DIN-rail or panel-mount enclosures without surprises. The 86 mm depth is the body depth; factor in handle throw and wiring space when laying out the gland plate.