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High-temperature cable applications across steel, processing and industrial systems

High Temperature Cables

Heat-resistant wire and cable selection

Match high temperature cable to the full thermal system

TEBAOFLEX manufactures high temperature cable and high temp wire for motors, ovens, ignition, lighting and industrial equipment. Select by continuous and peak temperature, then verify voltage, conductor plating, flexing, chemical exposure, shielding and installation method. The range includes silicone and SiHF cable, PTFE, FEP and PFA hook-up wire, self-regulating heat trace for roof, pipe and tank duties, glass- and aramid-braided leads, high-voltage ignition wire, TGGT constructions to 250°C and MGT mica-glass wire for higher-temperature duties.

High-temperature construction families

  • Silicone and SiHFFlexible power, control, motor and screened constructions.
  • PTFE, FEP and PFAThin-wall hook-up wire for temperature, chemical and space limits.
  • Fiberglass and mica-glassBraided and high-temperature lead wire for severe heat.
  • Ignition and motor leadsHigh-voltage or equipment-specific thermal routes.

UL AWM style selector

Choose the exact UL style by insulation, temperature and voltage. The named product page gives the conductor sizes, wall and finished dimensions for its construction; styles in the same material family are not automatic substitutes.

UL styleConstruction and ratingConfirm before RFQ
PVC, FEP and PFA
UL 1056PVC · 105°C · 600 VInternal refrigeration and appliance wiring; check the PVC wall and route.
UL 1813FEP · 200°C · 3 kVHigh-voltage internal equipment lead; confirm spacing and termination.
UL 1933PFA · 250°C · 300 VThin-wall, small-gauge lead; confirm the reference construction.
UL 10485PFA · 250°C · 600 VThin PFA wire for compact, small-gauge connections.
UL 10503PFA · 250°C · 600 VCompare conductor size and finished diameter with UL 10485.
Silicone and glass-covered silicone
UL 3232Silicone, optional nylon · 105°C · 300 VSpecify whether the optional outer covering is required.
UL 3123Silicone · 150°C · 600 VInternal hook-up wire; check bend space and AWG.
UL 3074Silicone + fiberglass braid · 200°C · 600 VCovered 12 AWG reference construction; check the finished diameter.
UL 3644Silicone · 150/200°C options · 1 kVUncovered appliance wire; select the required temperature grade.
UL 3645Silicone + fiberglass braid · 150/200°C options · 1 kVCovered appliance wire; allow for the extra braid in the entry.
Ignition and motor leads
UL 3257Silicone ignition · 250°C · 10 kV AC / 25 kV DCConfirm the waveform, pulse duty and terminal spacing.
UL 3580Silicone motor lead · 150°C · 1 kVCheck motor exit temperature, bend allowance and connection.
Mica-glass
UL 5334 / UL 5335Mica-glass · 450°C · 300/600 VChoose UL 5334 for 300 V or UL 5335 for 600 V.
UL 5359Mica-glass · 200/450°C options · 600 VChoose the construction temperature grade before sizing.
UL 5390Mica-glass · 550°C · 300 VHigher temperature does not increase the 300 V rating.

Self-regulating heating cable selection

Self-regulating heat trace is selected by the pipe, tank or roof duty, supply voltage, required heat output and the cable's energized and unpowered temperature limits. These heating cables serve a different purpose from the UL AWM equipment wires above. For an RFQ, include the surface, insulation, lowest ambient temperature, circuit length and any washdown or exposure requirement.

Heating cable routeRating / configurationSelect when
Roof and gutter self-regulating heating cable6 W/ft at 40°F; 120 V or 208–277 VRoof edges, gutters or downspouts need freeze protection; confirm supply and circuit design.
Pipe and tank self-regulating heat trace cable230 V; 10–40 W/mThe route needs pipe or vessel heat maintenance; specify the output and exposure.
Fluoropolymer-jacket self-regulating heat trace cable230 V; 10–40 W/mAn outer fluoropolymer jacket is specified; confirm the actual chemical and washdown conditions.
High-temperature self-regulating heat trace cable230 V; 120°C seriesThe pipe or vessel exposure calls for a higher-temperature construction; verify energized duty against the datasheet.
Steam-cleanable self-regulating heat trace cable230 V; 110°C energized / 130°C unpowered exposureCleaning cycles expose the unpowered cable to steam; specify cycle temperature and duration.

Glass, mica and aramid-covered cable selection

Compare these covered constructions by temperature, voltage, core count and the purpose of the outer braid. A single-conductor motor lead, a multicore cable and a mica-glass assembly are different ordering routes even where their temperature ratings overlap.

Cable familyRatingSelection detail
SFF-2 / SRML fiberglass-braided silicone lead wire150°C; 600 VSingle-conductor silicone lead with a glass braid; confirm AWG and finished diameter. Compare UL 3074 glass-braided silicone wire for a distinct 200°C construction.
UL 3410 aramid-braided motor lead wire200°C; 600 VLarge-section motor-lead route with an aramid covering; confirm conductor size and cable entry.
Multicore mica-glass high-temperature cable450°C; 600 VMultiple conductors for higher-temperature equipment wiring; specify cores and any moisture-barrier variant. Single-core MGT lead wire is a separate construction.
SRG-K multicore silicone-aramid braided cable200°C; 600 VMulticore silicone cable with an outer aramid braid; confirm core count, termination and braid requirement.
Compare insulation and application routes
NeedShortlistConfirm before RFQ
Flexible equipment wiringSilicone or SiHF cableContinuous heat, flexing, voltage, jacket and braid
Thin-wall hook-upPTFE, FEP or PFA wireTemperature method, voltage, wall, chemicals and conductor plating
Above 200°CTGGT or MGT familyPeak exposure, plating, abrasion, termination and flexibility
High-voltage ignitionSilicone, PFA or mica-glass ignition wireAC/DC voltage, pulse duty, heat, creepage and termination

Use the high-temperature insulation rating guide when comparing UL, EN and IEC datasheets. Exact MGT, TGGT and UL AWM style intent belongs on the corresponding product page.

Price, RFQ data and rating boundary

What changes price

Conductor alloy and plating, insulation family, braid or shield, voltage, wall thickness, testing, marking, length and packing.

RFQ checklist

Continuous and peak temperature, duration, voltage, conductor size, cores, material, movement, chemicals, shielding, application, standard, length and quantity.

Use the official IEC 60216-1:2025 record to confirm the scope of thermal-endurance testing. A material thermal index is not automatically the allowed temperature of a finished cable installation.