Cartridge Heaters, Marathon Heater

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Marathon Heater, Inc.

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20MM Diameter Cartridge Heaters
with 10” swaged in high temperature leads

Cartridge Heaters, Marathon Heater

Stock #	Volts	Watts	Length
HR78078C	240	1000	7.87
HR78078F	240	1500	7.87
HR78157B	240	3200	15.75

Tech Corner

Heat Losses From Oil or Paraffin Surfaces in 70^o Air (watts/in²)

Temp ^oF	Heat Loss
100	.2
150	.5
200	.8
250	1.3
300	1.7
350	2.3
400	2.9
450	3.7
500	4.5
550	5.5
600	6.6

For more technical data covering the properties of liquids, solids and gasses, as well as handy conversion tables, formulas, conductivity charts, and drawings, visit our TECHNICAL LIBRARY.

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