General purpose, 12 volt, 20/30 amp, changeover relay, sealed with resistor. Genuine Durite, part no: 0-728-15 Suits both negative and positive earth vehicles. 5 x 6.3mm terminals. Rated at 30 amps (forward contacts), 20 amps (back contacts) Similar to/replacement for; Lucas 28RA, SRB512. Can be used for general purpose switching of lighting, horns, etc.
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