Siemens SENTRON 3VA1116-6EF36-0JA0 — 160 A MCCB with TM240 Release
Its TM240 thermal-magnetic overcurrent release provides fixed trip curves for overload and short-circuit protection without the need for external trip units. The interrupting capacity reaches 220 kA at 240 V, 154 kA at 415 V, and 75.6 kA at 440 V — figures that govern its suitability for high-fault installations like transformer secondaries or large motor control centers.
The 160 A rating holds flat from 40 °C through 50 °C, then derates to 153.6 A at 55 °C, 150.4 A at 60 °C, 147.2 A at 65 °C, and 144 A at 70 °C. Plan your load margin accordingly. No interchangeable trip units, no field-adjustable long-time or short-time pickup. That simplifies ordering and reduces the chance of mis-configuration, but it also means the breaker is dedicated to its 160 A frame. If your load changes, you swap the whole MCCB, not just the trip. The shunt trip (STL) auxiliary release is built in — order code 3VA9688-0BL32 for the integrated auxiliary trip. No undervoltage release, no ground fault monitoring, no phase failure detection. If you need remote tripping via a PLC or E-stop circuit, the shunt trip covers that; if you need undervoltage protection, you add an external UVR module.