Fast-Blo MDA Series fuse used to protect the transformer circuit on Gecko In.Xe, In.Ye and HydroQuip Y Series spa packs circuit boards and controls. A common symptom of this blown fuse is a spa that has no display and no components function, although you may have the correct incoming voltage to the spa.
| Fuse Type | Glass |
| Style | MDA Series |
| Amperage | 0.5A (500 mA) |
| Length | 1-1/4" |
| Diameter | 1/4" |
