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Yield the highest possible watt density for those applications that require intense heat in a relatively small package. They have the virtue of parallel power leads feeding one end of the element, rather than a circuit requiring configuration for access to both ends. BENCHMARK THERMAL'S Cartridge Heaters are manufactured of the highest quality nickel-chromium resistance wire wound on high purity magnesium oxide cores. These fully swaged heaters are designed for industrial use.

STANDARD SPECIFICATIONS

Maximum Wattage

Dia

Actual Diameter

Max. Volts

Max. Amps

120 V

240V

480V

1/4"

.245

240

4.0

480

960

-

3/8"

.370

240

6.5

800

1600

-

1/2"

.495

240

6.5

800

1600

-

5/8"

.620

480

22

2600

5200

10,000

3/4"

.745

480

22

2600

5200

10,000

1"

1"

480

22

2600

5200

10,000

TOLERANCES

Finished Diameter

   ±.002

Finished Length:

   Up to 41?2" ±3/32, Over 41?2" ±2%

Resistance (at 70° F)

   +10% - 5%

Camber:

   Up to 12" - .010, Over 12" - .020 per foot

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