What the breaking capacities mean for your coordination study
Its interrupting capacity at 240 V is 220 kA, dropping to 154 kA at 415 V and 121 kA at 440 V — at 690 V it still holds 17 kA. The 100 A rating holds flat from 40 °C to 50 °C, then derates to 96 A at 55 °C, 94 A at 60 °C, 92 A at 65 °C, and 90 A at 70 °C. This is the line protection version (not motor protection), so it's intended for feeder and distribution duty, not direct motor overload protection. The auxiliary contact configuration is two HQ (high-capacity) switches, giving you status feedback for PLC or SCADA.
The MCCB measures 130 mm high, 76.2 mm wide, and 70 mm deep — a standard SENTRON 3VA footprint that fits into existing Siemens panel layouts and distribution boards.
What's included and what's not
This breaker ships with the TM240 thermal-magnetic release and the undervoltage release fitted. It does not include a trip indicator, voltage trigger, phase failure detection, ground fault monitoring, or any communication function — it's a straightforward electromechanical MCCB with no electronics. The auxiliary trip module is a separate order: 3VA9608-0BB11. Latching endurance is rated at 15 000 operations.
