Quick Summary
This is a 10 pack of sourcingmap slow blow glass tube fuses, rated at 250 V and 20 A, with a 5 mm x 20 mm size. It is a direct fit item for buyers who need the same fuse format and rating.
The fuse is described as a glass and metal tube type. Before buying, compare the stated size and electrical rating with the fuse you are replacing.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | sourcingmap |
| Pack quantity | 10 pieces, so the quantity matches the stated pack size. |
| Product type | Slow blow glass fuse tube. |
| Rated voltage | 250 V, which should match the circuit requirement. |
| Rated current | 20 A, so the current rating needs to match the original fuse. |
| Size | 5 mm x 20 mm, a key check for physical fit. |
| Material | Glass and metal. |
What to Compare Before Buying
- Size: This fuse is 5 mm x 20 mm. Compare that with the size of the fuse already in the holder.
- Voltage rating: The rating is 250 V. The replacement fuse should match the circuit’s required voltage rating.
- Current rating: The rating is 20 A. Check the original fuse label or markings before choosing a replacement.
- Blow characteristic: This is a slow blow fuse. Confirm that the equipment needs the same type of fuse behaviour.
- Pack quantity: The pack contains 10 fuses, which matters if you only need a single replacement.
Common Buyer Questions
Is this a standard tube fuse size?
It is a 5 mm x 20 mm glass tube fuse, which is a common compact fuse format.
Does slow blow mean it is the same as a fast fuse?
No. Slow blow and fast acting fuses behave differently, so the replacement should match the original type.
Before You Decide
Check the fuse holder size, the 250 V rating, the 20 A rating and the slow blow type before choosing this pack. It is intended for buyers who need the 5 mm x 20 mm glass tube format in a 10 piece pack.






