<p><b>Microwave fuse 20 Amp 250V 6x30 mm/0.24x1.2 in(Dia x Len)</b></p> <p><b>Key Remind:</b></p> <p><b>1.shut down power before you replace</b></p> <p><b>2.check your original size of fuse, mainly several parameters, body diameter, body len, rate current, rate voltage</b></p> <p><b>Most Important Point</b></p> <p><b>Question: Why does my microwave fuse offen burnt after I replace fuse not long?</b></p> <p><b>Answer:Microwave fuse should use slow-blow type because its loading will increase much when microwave starts. It needs a little overload when machine starts(only a short time). So some people replace it with fast-acting fuse and cause burnt frequently. Using wrong type fuse.</b></p> <p><b>Question:What type appliances are need slow-blow(time-delay)fuse?</b></p> <p><b>Answer:Normally inductive appliance needs. This type device's current loading will be much high when it starts, like surge current impact.Common microwave,motor, metal halide light. Yet resistant loading like electrical heating tube is not need.</b></p>