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These resistive loads enclosed in vented aluminum boxes can be used in 12, 24 and 48 volt diversion regulation systems. The aluminum box may get very hot in operation. It should be mounted at least 12” from any flammable material. HL-100 is shipped as a 4-ohm resistor and can be reconfigured as a 1, 0.5 or 0.25 ohm resistor by easily changing connections in the terminal block. The HL-100 can be configured for 30 or 60 amps in the 12 volt mode. HL-75 is shipped as a 3-ohm resistor and can be reconfigured as a 0.75-ohm resistor by changing connections in the terminal block.