What it is and what it does
The Siemens SENTRON 3VA2110-6HL32-0JC0 is a 3-pole molded case circuit breaker (MCCB) rated for 100 A continuous current at 40 °C, designed for line protection in distribution panels and industrial switchboards. It carries a 242 kA interrupting capacity at 240 V, dropping to 187 kA at 415 V and 440 V, 121 kA at 500 V, and 3.7 kA at 690 V — the high short-circuit rating at low voltage makes it suitable for high-fault service-entrance or main-breaker positions where available fault current is substantial. The breaker ships with a built-in shunt trip (STL) and two HQ auxiliary switches, so it arrives ready for remote tripping and status feedback without additional accessory wiring.
Dimensions and panel fit
The breaker measures 105 mm wide, 181 mm high, and 86 mm deep — a standard MCCB footprint that fits most 3-pole panelboard and switchboard mounting patterns without modification. It dissipates a maximum of 10 W at rated load, so thermal management inside a sealed enclosure is straightforward — no forced cooling required for most installations.
Environmental and operating range
Rated for continuous operation from -25 °C to 70 °C ambient, and can be stored from -40 °C to 80 °C. The 100 A rating holds flat across the entire 40 °C to 70 °C operating range — no derating needed up to 70 °C.