SENTRON 3VA — line protection MCCB with TM240 release
It carries a TM240 thermal-magnetic release — the thermal element handles overloads, the magnetic element clears short-circuits — rated at 32 A continuous at 40 °C ambient, and holds that rating up to 50 °C before derating begins at 55 °C (31 A at 55 °C, 30 A at 70 °C). Breaking capacity is the headline here: 187 kA at 240 V AC, 121 kA at 415 V, 75.6 kA at 440 V, and 17 kA at 500 V and 690 V.
Fit and integration — panel dimensions and auxiliaries
Physical footprint: 130 mm height, 76.2 mm width (3 inches — standard 3-pole MCCB width), 70 mm depth.