The thermal derating curve is flat from 40 °C to 50 °C at 160 A, then steps down 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.
Mounting and integration notes
The breaker measures 130 mm high, 76.2 mm wide, and 70 mm deep — a standard 3-pole MCCB footprint that fits most DIN-rail or panel-mount enclosures without re-drilling. No auxiliary contacts are integrated (order separately if needed), and the shunt trip (STL) release is built in for remote tripping via a control signal. The TM220 overcurrent release is thermal-magnetic — fixed thermal pickup for overload, magnetic for short-circuit. If you need those, the SENTRON platform offers other order codes with those options; this one is a straightforward line-protection breaker with a shunt trip.
