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Commercial 208 Volt (AC) Operation, 208 VAC Rating

Commercial and industrial locations are often served by 208 V three-phase electrical services. SEISCO heaters are available with 208 V heating elements that are 10 to 15% lower wattage than the 240 V elements. Therefore the heater’s temperature rise is lower. The table below shows which ratings are affected.

SEISCO^® Electric Fluid Heating System

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[ Four Chamber Models ]

MODEL		RA-28		RA-22		RA-18
kW		24		20		16
Elements		6000 watts ´ 4		5000 watts ´ 4		4000 watts ´ 4
Btu/hr		81910		68260		56600
kg-cal/min		342		285		236
TEMPERATURE RISE
	81 °F @ 2.0 GPM 65 °F @ 2.5 GPM 54 °F @ 3.0 GPM 30 °F @ 4.0 GPM		64 °F @ 2.0 GPM 51 °F @ 2.5 GPM 42 °F @ 3.0 GPM 31 °F @ 4.0 GPM		52 °F @ 2.0 GPM 42 °F @ 2.5 GPM 34 °F @ 3.0 GPM 25 °F @ 4.0 GPM
	42 °C @ 8 L/min 34 °C @ 10 L/min 27 °C @ 12 L/min 21 °C @ 16 L/min		33 °C @ 8 L/min 26 °C @ 10 L/min 22 °C @ 12 L/min 17 °C @ 16 L/min		27 °C @ 8 L/min 22 °C @ 10 L/min 18 °C @ 12 L/min 13 °C @ 16 L/min
ELECTRICAL
V	208		208		208
A (max)	115		96		77
Hz	50 / 60		50 / 60		50 / 60
Circuits	30A x 4		50A x 2		40A x 2

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