The Siemens SENTRON 3VA1116-3GD46-0AA0 is a 4-pole molded case circuit breaker (MCCB) rated for 160 A continuous current, with a TM210 thermal-magnetic overcurrent release. Its interrupting capacity hits 75.6 kA at 240 V, 52.5 kA at 415 V, and 32 kA at 440 V — numbers that tell you it handles high-fault utility feeds or large motor branch circuits without cascading upstream. This is a line-protection design, meaning it's built for feeder and main breaker duty rather than motor-protective curves. The TM210 release gives a fixed thermal pickup at 160 A and a magnetic trip at 10× In (1600 A), so it's a straightforward fit for a distribution panel where you need a 160 A main or a large subfeed.
Thermal derating and panel fit
The breaker holds its full 160 A rating up to 50 °C ambient. At 55 °C it derates to 158 A, at 65 °C to 153 A, and at 70 °C to 150 A (–). If your panel runs hot — say, a packed enclosure with drives — that 150 A floor at 70 °C is the number to design to. The front face carries IP40 protection, so it's fine for a clean indoor panel but not for washdown. Dimensions: 130 mm high, 101.6 mm wide, 70 mm deep. Four-pole width at 101.6 mm matches the 3VA1 family for panel swap.