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Standard Cartridge Heater Configurations
Below is a complete list of all cartridge heater configurations. Cartridge Heaters are high temperature swaged units manufactured with magnesium oxide insulation. Every Thermal Corporation cartridge heater is a premium quality unit with an incoloy sheath which offers a higher temperature rating and higher resistance to chemical corrosion. These can be ordered standard or custom. Thermal Corporation cartridge heaters are made to your exact specifications, and all products are made in the USA!
Visit our accessories page for high temperature wire and connection supplies.
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Configuration Style & Description | Configuration Diagram | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Crimped Leads Style CL Flexible stranded lead wire is fused to the end of the solid conductor and electrically insulated with 2″ of high temperature sleeving. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Ceramic Bead Style CB Ceramic bead insulation protects the leads from high temperature environments (above 500°F / 260°C). The beads fit over the solid conductors which extend far enough to reach a cooler area where flexible wires can be attached. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Swaged Lead Style SL Internally connected leads offer maximum flexibility at point of entry to cap, allowing a high degree of flexing as well as the ability to bend the leads sharply adjacent to the cartridge heater. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Swaged Braid Style SB Stainless steel braid protects leads from abrasion or sharp equipment while allowing flexibility. Available with or without an eyelet. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Swaged Hose Style SH Stainless steel hose protects leads from abrasion on sharp equipment while allowing flexibility. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Post Terminals Style PT Post terminals provide a fast, neat connection to ring, spade connectors or bus strips. Threaded 10-24 studs are brazed to the solid nickel conductor. Available only in 5/8″ and larger. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Mica Disc Style MD Internally swaged leads. Provides a smaller unheated section allowing for shorter heaters. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Mica Disc with Braid Style MDB Stainless steel braid protects leads from abrasion or sharp equipment while allowing flexibility. Available with or without an eyelet. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Mica Disc with Hose Style MDH Stainless steel hose protects leads from abrasion on sharp equipment while allowing flexibility. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Teflon Leads Style ST Internally swaged teflon leads seal and resist moisture and oil. Teflon rated at 480°F. We recommend leaving 1/4" of lead end sticking out of mold. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Teflon Leads with Braid Style STB Stainless steel braid protects leads from abrasion or sharp equipment while allowing flexibility. Available with or without an eyelet. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Teflon Leads with Hose Style STH Stainless steel hose protects leads from abrasion on sharp equipment while allowing flexibility. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Right Angle Leads Style NRL Right angle leads offer high flexibility and are often used when space limitations are critical. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Right Angle Braid Style NRB Stainless steel braid protects leads from abrasion or sharp equipment while allowing flexibility. Available with or without an eyelet. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Right Angle Hose Style NRH Stainless steel hose protects leads from abrasion on sharp equipment while allowing flexibility. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Copper Elbow with Leads Style CE Copper elbow offers right angle exit of leads used when space limitations are not as critical. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Copper Elbow with Braid Style CS Stainless steel braid protects leads from abrasion or sharp equipment while allowing flexibility. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Copper Elbow with Hose Style CH Stainless steel hose protects leads from abrasion on sharp equipment while allowing flexibility. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Mounting Flanges Cartridge Heater Option - Style MF Mounting flanges, made by your specifications, may be brazed to heater at your insertion length. Available with any configuration. Flange material is 1/16" thick. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Threaded Fittings Cartridge Heater Option - Style TF Threaded fittings provide fast, removable installation into a threaded hole. Silicone potting moisture seals can also be used in conjunction with the threaded fitting option. When ordering, specify brass fitting (Style TFB) or stainless steel fitting (Style TFS), unheated length, and if needed, water-tight.
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Distributed Wattage Cartridge Heater Option - Style DW Distributed wattage concentrates extra heat where it is needed. Useful to compensate for high heat losses along the edges of heated parts. Can have as many zones as watt density allows. When ordering, specify number of zones, zone lengths, and wattage distribution. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Multi-Zone Cartridge Heater Option - Style MZ For controlled heat zones. May have up to three independent zones. Can be added to Style CL, Style SB, Style SH, and Style SL. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
3-Phase Cartridge Heater Option - Style 3PH For high amp applications. Available on most configurations. Some restrictions apply. Contact Thermal Corporation for more information. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Internal End Thermocouple Cartridge Heater Option - Style JC or KC Internal thermocouple junction is located at the end disc to monitor the material flow past the end of the heater. Comes grounded unless specified to be ungrounded. (JC specifies type "J" thermocouple. KC specifies type "K" thermocouple.) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Internal Sheath Thermocouple Cartridge Heater Option - Style JB or KB Internal thermocouple junction is located adjacent to the inside heater sheath to monitor the part temperature. Comes grounded unless specified to be ungrounded. (JB specifies type "J" thermocouple. KB specifies type "K" thermocouple.) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Double Fitting Cartridge Heater Option Used as a removal method. Offered in most diameters. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Strain Relief Spring Cartridge Heater Option Used in conjunction with braid. For applications with lead movement. Offered in most diameters. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Plugs Cartridge Heater Option Can be attached to most configurations. Please specify your plug when ordering. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Ground Wire Cartridge Heater Option May be added to most configurations. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Threaded Knockout Cartridge Heater Option Used as a removal method. Can be added to all configurations. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
*Discounts may apply. Call for Discounts Based on Order Quantity. |
Looking for alternate covering over the leads?
We have two more options*! Please see below for details:
Silicone Boot
The silicone boot is an extremely flexible silicone coated fiberglass braid. May be added over both leads or to each of the lead wires for protection against abrasive applications and/or handling. It is also resistant to moisture. Should not be used if leads are exposed to temperatures of 380°F or more!
Ex Flex
The ex flex is a fiberglass sleeving impregnated with dielectric film of resin. It is not as flexible as the silicone boot, and can only withstand temperatures of 300°F. It does, however, provide great dielectric strength to withstand severe applications and/or handling.
*Some customers prefer to use both. In which case we will attach the silicone boot and then the ex flex is attached over the boot.
Written by Jennifer Taylor & Shelby Reece
Date Published: 01.17.2014
Last Updated: 03.11.2020