The Siemens 5SP4380-8 is a SENTRON 5SP-series miniature circuit breaker (MCB) with a D tripping characteristic, 3 poles, rated 80 A at 400 V AC, and a breaking capacity of 10 kA per EN 60898. It fits a standard DIN rail and screw fixing, occupies 4.5 modular width units, and installs in any orientation.
Sealable, halogen-free, silicon-free — suitable for environments where outgassing or contamination must be controlled. Withstands shock at 150 m/s² for 11 ms half-sine and vibration at 50 m/s² from 25 to 150 Hz, per IEC 60068-2-27 and IEC 60068-2-6.