The Siemens 5SY7214-7 is a 2-pole miniature circuit breaker from the SENTRON series, rated 0.3 A at 35 °C with a C-curve trip characteristic. It handles 400 V AC at 50/60 Hz and delivers a 15 kA breaking capacity per EN 60898, with a 50 kA rating per IEC 60947-2 for industrial fault levels.
Accepts any mounting position.
Environmental & Compliance
Operating temperature range -40 to 75 °C, with derating above 35 °C (0.3 A at 35 °C, 0.27 A at 45 °C, 0.26 A at 50 °C, 0.25 A at 55 °C, 0.24 A at 60 °C). Halogen-free and silicon-free construction. Sealable for tamper-proof installations. Pollution degree 3, overvoltage category III. Suitable for mechanical engineering and industrial environments per the manufacturer.