Microwave Oven High Voltage Fuse 800mA
High quality replacement type high voltage fuse for modern microwave ovens. This high voltage fuse is wired in series with the high voltage feed from the high voltage transformer to the magnetron. The fuse will fail if there is a fault in the high voltage circuit. Such a fault could be a short circuit magnetron or a short circuit high voltage rectifier. In our experience however this fuse commonly fails for no apparent reason. The fuse just gets stressed everytime the magnetron starts which eventually leads to the demise of the fuse.
If you have a microwave with this type of fuse then the symptom you will get if it has failed is no cooking action. The microwave will appear to start and countdown the time but there will be no heating action. The fuse is easy to check visibly by unscrewing the fuse housing apart as shown in the photograph. You can then visually examine the wire in the fuse to see if it has broken. For the more technically minded a continuity check with an ohm meter will also check the fuse. A short circuit reading should be obtained if the fuse is intact.
This is the technical specification of the fuse:
Current rating 800mA, 0.8A
Voltage rating 5kV
Overall length of fuse including the cables 330mm
Fuse housing length 95mm
Fuse housing diameter 14mm
Connection, 2 x 6.3mm insulated spade terminals
This type of fuse is fitted to many brands of microwaves and this particular type of fuse is suitable for replacement in any brand. The overall cable length of this fuse may be more than your original fuse but it is quite permissible to tie back the cable to suit your oven. Check the rating of the original fuse and replace with the correct value. This listing is for the 800mA version but other values are available in our microwave parts section.
Technical enquiries to: email@example.com
To fit this fuse it is necessary to remove the outer casing so replacement should only be attempted by those who have experience in the repair of electrical appliances. High voltages are present in a microwave oven and it is important that the appliance is disconnected from the mains before any servicing work is carried out.
This fuse is supplied at only £3.99 plus postage.
Postage and packing on this lamp is £1.29 and will be sent using Royal mail for delivery 1 - 2 working days after purchase. Earn a £1.00 discout on each subsequent item and from any other item from any of our other listings. This item can be posted worldwide. Please see the additional postage rates below.
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