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Nelson™ Heat Trace Mineral Insulated Cable

Nelson™ Heat Trace MI (mineral insulated) Cable is a metal sheathed cable that uses a metallic conductor as the heating element. It is custom designed and fabricated for specific applications. MI Cable is a high performance, industrial grade heat tracing cable used for applications requiring high temperature exposure, immunity to stress corrosion, high maintain temperature, under tank heating (cryogenic tanks), high power output, constant power output over entire, rugged cable construction heater length, and extended heater life.

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145K
Nelson™ PN 145K
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146B
Nelson™ PN 146B
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189K
Nelson™ PN 189K
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216K
Nelson™ PN 216K
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239K
Nelson™ PN 239K
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250K
Nelson™ PN 250K
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279K
Nelson™ PN 279K
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Nelson™ PN 310K
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Nelson™ PN 316K
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Nelson™ PN 326K
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Features

  • Operating principle: The series conductor generates heat when voltage is applied as a result of current passing through the conductor. Power output per unit length varies with the applied voltage and circuit resistance. The circuit resistance, in turn, v
  • The metallic conductor, which is used as the heating element, is electrically insulated from the metal sheath with magnesium oxide (MgO)
  • Mineral insulated cable is a series resistance heater that generates heat by passing current through one or two electrical conductors. The power output per unit length of the cable varies with the applied voltage and the resistance of the conductor
  • The one conductor cable is available in the E Form where a cold splice is provided at both cable ends for electrical connection. The two-conductor cable is available in two forms. A Form provides an out-and-back circuit with a single cold splice connecti
  • Outer sheath construction is Alloy 825, a high temperature corrosion resistant alloy with superior flexibility. Two cable diameters are available; K cable diameter is 4.76 mm (0.1875 in), B cable diameter is 7.94 mm (0.3125 in)
  • A unique manufacturing process provides for a thin wall construction which improves flexibility and ease of installation. This process also allows the use of high performance alloy conductors for high temperature applications

Specifications

Certifications and Compliances
UL Listed, CSA Certified, FM Approved: Hazardous (Classified) Locations
UL
Class I, Division 1 and 2, Groups B, C, D; Class II, Division 1 and 2, Groups E, F, G; Class III, Division 1 and 2
CSA
Class I, Division 1 and 2, Groups B, C, D; Class II, Division 1 and 2, Groups E, F, G; Class III, Division 1 and 2; Class I, Zone 1 and 2; Zone 1, Ex de IIB + H2 T1-T6
FM
Class I, Division 1 and 2, Groups A, B, C, D; Class II, Division 1 and 2, Groups E, F, G; Class III, Division 1 and 2
Options
Pulling eye (A Form only), oversize cold sections, special feature requirement, different conductor, alternate mountings, Listing tags, and adapters are available. See catalog pages for details
Accessories
Thermostats, contactors, junction boxes, tape, warning signs, custom control, and monitoring and power panels are available. See catalog pages for details

Documents & Drawings