Editorial Reviews:
Product Description
This is a heavy duty, wire-wound, power resistor designed to be used as a dump load for 12-Volt battery bank systems. Each resistor is capable of dumping/dissipating 300 Watts at continuous duty making them perfect diversion loads for wind generator and solar panel systems. This resistor has been designed to be used on 12 Volt systems. Generally, charge controllers for 12 volt systems are designed to dump excess energy at around 14 volts. Please review the technical specifications to see how many Watts will be diverted to the resistor at a specific dumping voltage. Why do you need a Dump Load? Dump Load Resistors are vital for protecting your expensive wind generator, battery bank and alternative energy system from potential destruction. Choose a dump load that exceeds the maximum output of your complete system by at least 20%. For example, suppose you have a maximum power 600 Watt wind turbine and a max power 400 Watt solar panel (600 Watts + 400 Watts = 1000 Watts total) hooked up to your battery bank. In this case you will need a 1200 Watt dump load to safely operate your system (20% more than 1000 Watts = 1200 Watts). These 300 Watt resistors can be wired in parallel to dump 300, 600, 900, 1200 Watts, etc. For the previous example, you would need four of these 300 Watt resistors wired in parallel to dump 1200 Watts.
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