The brewer spectrometer has a ton of fuses used for differently applications. This is what fuses ECCC uses and for where. (Not this may differ from what is shipped from the manufacture)

Inside the tracker has a 5A slow blow inline fuse for all the power including the tracker electronics and brewer

Heater uses a 5A FB fuse Brewer uses a 2A SB fuse

• 2x 5A FB
• 5A SB
• 4x 250mA FB
• 2x 100mA FB
• 500mA FB
• 5A FB (mini)
• 2A SB (mini)