The Siemens 5SY4532-5 is a SENTRON 5SY4-series miniature circuit breaker — a 2-pole (1P+N) unit rated 32 A at 230 V AC with a Type A tripping characteristic. Breaking capacity sits at 10 kA per EN 60898 and 20 kA per IEC 60947-2, with a DC-side rating of 15 kA per IEC 60947-2 at 72 V DC maximum. The Type A curve detects both overloads and short-circuits, and is sensitive to pulsed DC fault currents — useful on circuits with rectified loads or switching power supplies where a Type B or C might ride through a fault.
Halogen-free and silicon-free construction. IP20 with connected conductors. Overvoltage category III. Touch protection is integrated. Humidity tolerance: max 95% at 55 °C, derated to 55% at 70 °C and 35% at 75 °C.