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Square D - 1 Phase, 480 Volt Input, 120/240 VAC Output, 60 Hz, 5 kVA, General Purpose Transformer - 69529667 - MSC Industrial Supply
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OPTO 22 - 480D45-12 480 VAC, 45 Amp, DC Control Solid State Relay (SSR), Transient Proof - Instru-measure
What is the main differences between 480 three and single phase voltage and is one any less lethal than the other? - Quora
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OPTO 22 - 480D15-12 480 VAC, 15 Amp, DC Control Solid State Relay (SSR), Transient Proof - Instru-measure
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