Tempco Power Variations

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Type DW: Distributed Wattage

Cartridge heaters can be designed to vary the wattage along the length of the heater. Specify the number of zones and the required watts and length per zone starting from the disk end. Leads can be connected externally or internally. The picture shows a heater with Type N externally connected leads. Heaters with other terminations may require a longer cold section at the lead end.

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Type GJ: Grounded Element Winding

For DC applications where the electrical circuit is negative grounded, the cartridge heater can be designed with one side of the element winding grounded to the sheath and a single lead wire exiting the cartridge heater.

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Type GL: Ground Lead/Sheath

For those applications requiring a separate ground lead attached to the cartridge heater sheath. Standard ground lead wire is a 10″ long insulated stranded conductor. Optional insulated and color-coded leads are available.

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Type LLC: Low Leakage Current

Low leakage current construction is available for those applications such as medical products that require strict conformity to the requirements of regulatory agencies.