MCCB for high-fault distribution — 160 A, 220 kA SCCR
The 160 A rating holds through 50 °C ambient, then derates to 158 A at 55 °C, 155 A at 60 °C, 153 A at 65 °C, and 150 A at 70 °C. Maximum power loss is 40.5 W, which matters for enclosure heat rise calculations in sealed cabinets.
Dimensions: 130 mm height, 76.2 mm width (3 inches), 70 mm depth. The 3-pole frame fits standard Siemens 3VA mounting footprints.
