The Siemens 5SJ4302-8HG41 is a SENTRON 5SJ4 miniature circuit breaker (MCB) with three poles, a D tripping characteristic, and a 2 A rated current at 400 V AC. Breaking capacity is 10 kA per EN 60898 and 15 kA per IEC 60947-2, giving you headroom for fault currents at the panelboard without cascading upstream.
Halogen-free and silicon-free construction. Vibration resistance is 50 m/s² at 25–150 Hz and 60 m/s² at 35 Hz (4 s). Overvoltage category 3. Touch protection is built in. The product is sealable. Suitable for mechanical engineering and industrial applications per the manufacturer's classification.