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Flexible stranded lead wires have fiberglass insulation and are connected to 1-1/4" (32 mm) long solid conductors. Silicone rubber coated fiberglass sleeving insulates the pin/lead wire connection.
Armor cable provides the maximum in protection for abrasive, jagged environments. The coupling between the cartridge and the armor cable is mechanically fastened or silver brazed.
*Limited to C1B: SS Cable, Mechanically Fastened for 1/8" Miniature Cartridge Heaters.
If your filter selections do not return your desired results from our standard configurations, please continue to select your Specifications.
When you are finished, save your selections in the Wish List (using the button at the right of this page) and follow the steps to submit them to Tempco.
NEMA 4/7 electrical enclosures provide protection from contaminants, moisture, and hazardous conditions. These housings are screwed onto a heater with a single or double ended Brass or Stainless Steel fitting.
A threaded fitting mounting termination must be specified. See pages 2-50 and 2-51.
Other terminal box configurations available upon request.
Maximum temperature rating: 450°C (842°F)
When required, high temperature lead wire can be used on most
cartridge heaters. The stranded wire is insulated with mica
composite and then a treated fiberglass overbraid.
Available wire gauge sizes: 10-18
Maximum temperature rating: 550°C (1022°F)
For added protection, strength, and resistance to various chemicals, the lead wires can be covered with silicone rubber sleeving.
SRA Silicone rubber coated fiberglass sleeving on each lead
SRB Silicone rubber coated fiberglass sleeving on both leads together
Specify length when ordering.
Maximum temperature rating: 200°C (392°F)
The standard sheath material for all Hi-Density Cartridge Heaters except 1" diameter is 321 stainless steel; standard for 1" diameter is 304 stainless steel. The incoloy sheath option is available on all diameters except 1/8", 5/16", 8 mm and 20 mm.
To assist you in selecting the proper sheath material, corrosion resistant ratings and chemical properties of various heater sheath materials are given in the Engineering Section of the site.
If your application requires a specific alloy sheath material, consult Tempco with your requirements.
Standard Electrical Tests and Optional Test Reports
1. Resistance test — measures ohms at room temperature.
2. IR (insulation resistance) test — measures the insulation resistance to the flow of current. Standard test is done at 500VDC.
3. Hipot (high potential) test — a high voltage is applied between a product's current carrying conductors and its metallic enclosure to verify that the insulation is sufficient to protect the operator from electrical shock.
4. Leakage current test — measures the current that flows from any conductive part to ground.
5. Heaters can be serialized and test reports can be sent with each shipment if required. Contact Tempco with your requirements.
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Wood Dale, IL 60191-1452 USA
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