The BK/GMA-6-R is a 5 x 20mm fast-acting glass tube fuse from the GMA Series, designed for reliable circuit protection in electronic equipment. It is rated at 6A with a voltage rating of 125Vac and features a typical DC cold resistance of 0.017O and a maximum voltage drop of 180mV at rated current. The fuse exhibits fast-acting characteristics with an opening time of 2 minutes maximum at 200% of the amp rating, and 60 minutes maximum at 135% of the amp rating. It is UL Listed (Guide JDYX, File E19180) and CSA Certified (Class 1422-01, File 53787), making it suitable for industrial and consumer electronics requiring fast overcurrent protection and compliance with international safety standards.