Sell 100pcs 5 * 20mm 6x30mm Ceramic Tube Fuses Fast Slow Fuse 250V 0.5A 1A 1.5A 2A 2.5A 3A 4A 5A 6.3A 10A 12A 15A 20A 25A 30A best price

💖Fuse Common Sense 1, look: fuse 2 brass cap on top of the head is engraved on one end, For example, F1A250V means 1A fuse, A is the unit of current, 1A is the maximum value of the fuse! 2. Quantity: if the length is 20 mm and the diameter is 5 mm, it is 5×20 fuse. The length is 30 millimeters and the diameter is 6 millimeters and it's a 6 by 30 fuse. 3, calculation: if you do not know how many A fuse, you can use according to their own electrical power Calculate the fuse current, It is calculated by dividing the wattage of the appliance by the voltage = the current A; Can be appropriate to increase the current;For example, a 500 watt appliance with a voltage of 220 volts, If you select A fuse, divide 500 into 220=2.27A, you can choose A fuse of 2.5A Ceramic fuse tube 6*30 fuse quick break wire 250VF1A2A3A5A8A10A20A 25A30A6X30 brand new