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Voltage options: 208, 240, or 480 VAC in either 1 ph or 3 ph (277 VAC in 1 ph only)
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Element wattages: 3100, 4500 or 6000 in each of the 4 voltages
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The elements are low watt density design (46, 67, 90 W/sq-in) with titanium sheath for superior protection
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Power control circuits use two surface mounted thermostats and operate in two stages - lower control is for the lower two elements, which provides recovery for most needs, - upper control is for the upper two elements, which operates during high demands