The S500-800-R is a fast-acting, low breaking capacity glass tube fuse designed to IEC 60127-2 standards with a 5 mm × 20 mm physical size. It features a rated current of 800 mA at 250 V AC, with a typical cold resistance of 0.14 O and a typical melting I-T of 0.67 A². The fuse employs nickel-plated endcaps and is designed for rapid response to overcurrent conditions, with an interrupting rating of 35 amps at rated voltage (50 Hz). This fuse is widely used in electronic equipment protection, industrial control systems, and consumer appliances where fast-acting overcurrent protection is required, offering reliable circuit protection with multiple international agency approvals including cURus, CSA, CCC, BSI, VDE, and SEMKO.