MCCB with selectivity headroom
The Siemens 3VA1196-3EF32-0BH0 is a 3-pole SENTRON molded case circuit breaker rated 16 A continuous current (Iu) at 40 °C, with a TM240 thermal-magnetic overcurrent release. Its interrupting capacity hits 75.6 kA at 240 V, 52.5 kA at 415 V, and 10.5 kA at 690 V, giving you solid fault-clearing headroom for industrial distribution panels and motor control centers where high available fault current is a given. That's a standard motor-starting profile — avoids nuisance trips on inrush while still protecting against bolted faults. Rated insulation voltage is 800 V, so it's comfortable in 480/277 V and 400/230 V systems.
Width is 76.2 mm (roughly 3 inches) and depth is 70 mm — fits standard 3-pole MCCB mounting footprints. Front IP40 rated, suitable for enclosed panel mounting.
Thermal derating curve
Derates to 15.36 A at 55 °C, 15.04 A at 60 °C, 14.72 A at 65 °C, and 14.4 A at 70 °C. Plan your enclosure ventilation if the breaker sits near heat sources.