Sourced and supplied by Al Imran Enterprises, Lahore, Pakistan. The Mersen A70QS800-4 is an Amp-Trap® high-speed, 700V semiconductor fuse with an 800A rating. It features a bolted blade terminal design and a GMG (glass melamine) body. It is the ideal choice for protecting dynamic solid-state equipment such as motor drives, UPS systems, inverters, and power conversion equipment. This fuse offers lower I²t for better protection, longer life under cyclic loading, and low watt loss for cooler operation. 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.