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Nelson™ Heat Trace 230V Type LLT Long Line Self-Regulating Heater

Brand: Nelson

Nelson™ Heat Trace LLT Series self-regulating heater cable is ideal for maintaining fluid flow under low ambient conditions. 

It is an LT heater cable with extended circuit lengths for longer continuous runs. 

The product is used for freeze protection and low watt density process temperature maintenance of pipes and vessels. 

LLT Series are 230 Volt heating cables designed for use in ordinary (unclassified) and hazardous (classified) locations. 

Typical applications include water freeze protection and low watt density process temperature piping systems such as caustic lines.
Features
  • Type LLT self-regulating heater cable is a parallel circuit electric heater strip. An irradiation cross-linked conductive polymer core material is extruded over the multi-stranded, tinplated, 5.3 mm² copper bus wires. Two jackets provide extra dielectric strength, moisture resistance, and protection from impact and abrasion damage. The inner thermoplastic jacket is extruded over and bonded to the core material. A thermoplastic elastomer overjacket is then extruded over the inner jacket. A stranded copper metal braid and fluoropolymer overjacket is supplied on all heaters.
  • Operating principle: The heating core varies power output inversely with temperature at every point along the heater length, reducing any heat build up at portions of the piping system. This feature also permits the heater to be overlapped without creating hot spots. Reduced power output at higher pipe temperatures reduces energy consumption. Parallel construction permits the heater to be cut to length at any point without changing rated power output.

Specifications

Brand

Accessories

  • Connection Kits, Thermostats, Junction Boxes, Tape, Warning Signs, Custom Control, & Monitoring & Power Panels are available. See Catalog Pages for Details

Ambient Temperature Range

  • -40° C ? Tamb ? +55° C

Approvals & Certifications

  • ATEX & IECEx Certified: Hazardous (Classified) Locations

Approvals & Certifications

  • Ex II 2 G, Ex E IIC T5, Ex II 2 D, Ex Tb IIIC T95° C

Bus Wire Size

  • 5.3 mm² Copper Conductors

Dimensions

  • 7.5 mm x 15.0 mm

IECEx

  • Ex II 2 G, Ex E IIC T5 Gb, Ex II 2 D, Ex Tb IIIC T95° C

Maintain Temperature

  • +65° C

Maximum Continuous Exposure Temperature

  • +65° C (Continuous Power On)

Maximum Intermittent Exposure Temperature

  • +85° C (1000 Hours Cumulative Exposure)

Minimum Bend Radius

  • 25 mm at -40° C

Minimum Installation Temperature

  • -40° C

Temperature Classification (T Code)

  • T5 100° C Per IEC 60079 Standards
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