The PF-FB1-175 is a POWrFuse™ semiconductor (aR) power fuse designed to UL 248-13 standard with a rated current of 175 A and dual voltage rating of 800 VAC and 800 VDC. It features a traditional round body bolted mounting style (B1 type) and delivers an interrupting rating of 100 kA at 800 VAC and 50 kA at 800 VDC, with a clearing I²t value of 17500 A²s at 800 V and power dissipation of 35 W. The fuse operates across a temperature range of -55°C to +125°C and is RoHS compliant and halogen free, with agency recognition E500949. This product is ideal for semiconductor protection in high-current industrial and power distribution applications where reliable fault interruption and thermal management are essential.