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Fuse Blocks

Installation Component for Inverters and Inverter/Charger Systems

For safe operation of your inverter or inverter/charger system. Fuse and Holder is a recommended accessory that offers over-current protection for the cable running between the inverter and battery power source. The Battery Fuse and Holder has a cover that protects from inadvertent contact with the battery fuse and posts, and the fuse is Class-T rated to allow for momentary surges without blowing.

As current passes through any cable, heat is generated. If the inverter draws more current than the cable can handle due to heavy loads, excessive heat is produced. The fuse can handle a certain amount of excess current but is designed to blow when the safe limits are exceeded, protecting the cable from deterioration or permanent damage. Proper sizing of the cable and fuse are important in ensuring that these hazards are avoided. For specific recommendations, refer to the inverter or inverter/charger owner’s manual.

The appropriate size fuses for various inverter wattage and voltages are listed below:

Inverter Size (watts) Fuse Rating (amps)  
  12 volt 24 volt 48 volt
1000 110 110 -
1500 200 110 110
2000 300 200 110
2500 300 200 110
3000 400 300 200
4000 - 300 200