The Siemens 5SY4415-7CC11 is a SENTRON miniature circuit breaker, 4-pole (4P), rated 1.6 A with a C tripping characteristic. Rated for 50/60 Hz, it fits standard AC distribution panels.
The housing is 72 mm wide (4 width units), 90 mm tall, and 76 mm deep — installation depth is 70 mm. Torque the screw terminals to 2.5–3.5 N·m.
Application and environment
Designed for railway applications and mechanical engineering / industry. Humidity tolerance: max 95% at 55 °C, derating to 55% at 70 °C and 35% at 75 °C. Overvoltage category III, energy limiting class 3. Halogen-free and silicon-free construction. Sealable — useful for tamper-proof installations. No neutral conductor switching (4-pole without switched neutral).