Siemens Sentron FD63F250 is a three‑pole molded‑case circuit breaker (FD63 frame) rated for 600 V AC and 250 A, designed to protect three‑phase feeders in industrial power systems. It ships with a 175 A trip option and provides instantaneous protection with a thermal‑magnetic trip arrangement, delivering a short‑circuit interrupting capacity of up to 22 kA at 600 V. This rugged device fits standard FD63 frame enclosures and is commonly used in motor control centers and distribution panels to safeguard motors and other heavy loads with reliable overcurrent protection.
