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W4 20 Amp Mini Blade Fuse 37020 - Pack of 3
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- Description
- Shipping & Returns
- Reviews
The W4 20 Amp Mini Blade Fuse is a standard yellow-coded fuse used for protecting low voltage electrical circuits in caravans, motorhomes, campervans, cars and boats. It fits any fuse holder or fuse box designed for the mini blade format and provides reliable circuit protection for 12v and 24v systems.
The 20 amp rating is suitable for higher load accessories depending on wiring and manufacturer specifications. Yellow colouring follows the universal mini blade fuse identification system, making it easy to identify the correct rating at a glance.
This pack includes three fuses so you can replace a blown fuse and keep spares available for future maintenance.
- Pack of 3 mini blade fuses
- 20 amp rating (yellow coded)
- Standard mini blade fuse format
- Suitable for 12v and 24v systems
- For caravans, motorhomes, campervans, cars and boats
- W4 product code 37020
Delivery:
We provide fast, reliable delivery across mainland UK, with same-day dispatch available on weekday orders placed before 3 pm.
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Free Standard Delivery – available on all orders over £50.
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Tracked Services – all orders are shipped with Royal Mail Tracked 24 or Tracked 48 for full tracking and peace of mind.
- Tracked 48: £3.45
- Tracked 24: £4.25
- Same-Day Dispatch – orders placed Monday to Friday before 3 pm are dispatched the same day. Orders placed after 3 pm are dispatched the next working day.
- Larger Orders – parcels over 2 kg and under £50 may have variable shipping costs depending on size and weight.
If there are ever delays, we’ll let you know straight away. For any questions about your order, our team is always happy to help.
delivery is available to mainland UK addresses only.
Please note: delivery times are estimates provided by Royal Mail and may take longer during busy periods such as bank holidays and Christmas.
Returns:
We want you to be confident when ordering from Thomas Touring. If you need to return an item, please contact us within 30 days of delivery.
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Return Conditions – items must be unused, in their original packaging, and in a resalable condition.
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Return Postage – the buyer is responsible for return postage unless the item is faulty, damaged, or incorrect. We recommend using a tracked postal service for all returns.
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Non-Returnable Items – PCB units and combustion fans are non-refundable. These electrical parts are often misdiagnosed, so please ensure the fault has been confirmed by a qualified technician before ordering.
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Damaged or Faulty Items – if your order arrives damaged, faulty, or incorrect, please contact us so we can arrange a refund or replacement. Return postage will be covered where necessary, and we may request photos to process your claim quickly.
For any questions about returns or refunds, please get in touch with our team. We’re here to help.




