The Siemens SENTRON 3VA2110-5JP36-0JB0 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 187 kA interrupting capacity at 240 VAC, dropping to 121 kA at 415 VAC and 440 VAC, 75.6 kA at 500 VAC, and 3.7 kA at 690 VAC — the SCCR headroom you need for high-fault utility feeds or transformer secondaries.
Ratings and what they mean for fit
The 100 A continuous rating holds flat across the entire ambient range from 40 °C to 70 °C — no derating required up to the maximum operating temperature of 70 °C. That simplifies panel thermal budgeting: you don't need to oversize for a warm enclosure. The shunt trip release (STL) is factory-fitted, allowing remote tripping from a safety circuit or emergency-stop chain. Two auxiliary switches (HP) are also built in for status feedback to a PLC or SCADA system. A communication function is included on this variant, enabling integration with higher-level energy management or monitoring systems without an add-on module. Power loss is capped at 10 W, which keeps heat dissipation manageable in a dense DIN-rail layout.
Panel integration and footprint
Dimensions are 105 mm wide, 181 mm high, and 86 mm deep — a standard SENTRON 3VA2 frame size that fits existing DIN-rail or screw-mounted panel layouts. Verify gland plate clearance for the 86 mm depth, especially in shallow enclosures. Operating temperature range is -25 °C to 70 °C, with storage from -40 °C to 80 °C. The storage limits govern handling and warehousing, not running conditions.