Sourced and supplied by Al Imran Enterprises, Lahore, Pakistan. The Mersen A70QS500-4K is an Amp-Trap® high-speed semiconductor fuse with a 500A rating and 700V AC capability. This ferrule-type fuse is designed to provide superior protection for sensitive solid-state equipment, including motor drives, UPS systems, inverters, and power conversion devices in industrial environments. With lower I²t for enhanced protection and low watt loss for cooler operation, this RoHS and CE certified fuse ensures reliable performance. We supply genuine Mersen industrial replacement parts for sugar mills, textile mills, cement plants, and manufacturing plants across Pakistan. Contact us for pricing, lead times, and technical compatibility checks.