Fuse Size Calculator
Calculate the correct fuse size for your inverter
Continuous wattage rating of your inverter
One-way distance from battery to inverter
Results
Recommended Fuse
250Amps
Use ANL or Class T fuse for high current
Maximum Current
167Amps
At full inverter load
Minimum Wire Gauge
4AWG
For 3% or less voltage drop
Fuse Selection Guide
Fuses protect wiring from overheating and fires. For high-current DC systems, use ANL or Class T fuses rated for DC voltage.
The fuse should be sized 125-150% of the maximum expected current, and placed as close to the battery as possible.