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Box Heaters

Box or rectangular heaters are efficient for heating dies on plastic extruders or the barrels of twin extruders. They can be manufactured in one or two piece construction. Please supply detailed drawings or sample part when ordering or for quoting. For more information, contact us at sales@backermarathon.com

Standard Mica Box Heater Specifications

Length  Minimum 2.5" - Maximum consult sales department
Width Minimum 2.5" - Maximum consult sales department
Height Minimum 1"
Thickness Standard .156"
Maximum Sheath Temperature 900°F/482°C
Terminals 10-32 x 5/8" Post terminals, standard
Wattage Recommended maximum wattage 40 watts/square inch
Voltage  480 VAC Maximum
 

Many of the options available for mica strip heaters are also available for mica box heaters.

  • Holes and cutouts
  • Termination options including; high temperature leads, post terminals, stainless steel braid, stainless steel hose, euro plugs.
  • Ceramic terminal covers
  • Stainless steel sheath