BK/GMA-8-R is a 5×20mm fast-acting glass tube fuse designed for circuit protection in electronic equipment. It is rated for 8A at 125Vac with an interrupting rating of 200A at 125Vac, featuring a typical DC cold resistance of 0.009O and a maximum voltage drop of 110mV at rated current. The fuse exhibits fast-acting characteristics with an opening time of 2 minutes maximum at 200% of rated current, and is UL Recognized (Guide JDYX2, File E19180) and PSE Approved for ratings 1A–15A. This fuse is commonly used in industrial control systems, consumer electronics, and power distribution applications where reliable overcurrent protection and fast response times are essential.