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Low Watt Density Cartridge Heaters

Low Watt Density Cartridge Heaters
Low Watt Density Cartridge Heaters
Product Code : RH-03
Brand Name : RED HOT
Price And Quantity
  • Unit of Measure
  • Piece/Pieces
Product Description

Low Watt Density Cartridge Heaters

In low Watt density heaters sheath temperatures should not exceed 300oc. The Low Watt Density Cartridge Heaters design consists of helically wound resistance coil made from nickel-chrome wire or D- Wire, evenly stretched and strung through holes in a round ceramic or porcelain insulator. The element assembly is inserted into a Stainless Steel sheath. SS provides the best combination of physical strength and resistance to heat oxidation up to 300oc.
Specially selected magnesium oxide is used to fill all remaining space inside the ceramic or porcelain insulator to enhance dielectric strength, thermal conductivity, and offer longer functional heater life.
Porcelain or Ceramic Insulators are selected depending upon the temperature expected from the heater.


  • Hot Runner Bushings
  • Packaging Industry
  • Shoe Making Industry
  • Marking & Sealing Machinery
  • Medical & Laboratory Apparatus
  • Die and platens


  • Min Dia-6mm, Max Dia-30mm
  • Available with inbuilt Thermocouple
  • Non-corrosive
  • Various Watt Density option available
  • High Purity Magnesium Oxide
  • Standard Sizes Available
  • Superior Life Expectancy
  • Bottom End Welded with Disc Washer 
  • Choice of terminal exists

Technical Specifications :

Outer Sheath Material

SS 202, 304. Maximum operating temperature 300oC

Heating Conductor

NiCr 80:20,  D


+ 10%


12 to 440 volts

Leakage Current

0.5 mA

High Voltage

800 V

Maximum Watts/sq. in.

1500 watts

Lead Orientation

  • Crimped on leads: PTFE/ Fiber glass Flexible leads
  • Fixed in leads: PTFE/ Fiber glass leads emerging from within the heater.
Trade Information
  • Payment Terms
  • Cash Against Delivery (CAD), Cash on Delivery (COD), Cash Advance (CA), Cash in Advance (CID)
  • Delivery Time
  • Days
  • Sample Available
  • Yes
  • Sample Policy
  • If order is confirmed we will reimburse the sample cost