Bussmann FWP-300A Semiconductor Fuse

FWP-300A is a North American‑style, stud‑mount high‑speed semiconductor fuse from Bussmann (Eaton), rated 300 A RMS and 700 V AC/DC. It delivers fast protection with an interrupting rating of 200 kAIC at AC and 50 kAIC at 700 VDC, enabling rapid fault clearance in high‑energy power electronics. The device is UL Recognized, CSA and CE certified, making it suitable for use in demanding electrical equipment where swift protection of semiconductor devices is required. As part of Eaton’s Bussmann FWP series, the FWP-300A is engineered for reliable, high‑speed protection in applications such as switching power supplies and motor drives that rely on fast, decisive overcurrent interruption.