- A low temperature, parallel, self-regulating heat tracing cable.
- Ideal for frostheave protection of cryogenic storage vessels
- Cut-to-length parallel circuitry for field fabrication
- Heat output varies in response to the surrounding conditions along the entire length of a circuit.
- Operating Voltage: 230/240 VAC
- Start-Up Temperature: 0-20°C
- T-rating: T6/T5
- Certifications/ Approval:
For a detailled quotation, please specify required W/m & quantity in metres, below.
Applications for Thermon RSX Self-regulating foundation heating cable
Thermon RSX parallel self-regulating heating cables provide frostheave protection of cryogenic storage vessels. RSX heating cables offer the power output needed to maintain the substrate of cryogenic tanks above freezing temperatures.
With cut-to-length parallel circuitry, RSX cables can be field fabricated, eliminating the need for specific circuit lengths to be provided for the application.
The heat output of RSX cable varies in response to the surrounding conditions along the entire length of a circuit which make it ideally suited for foundation heating applications where the heat demand may vary.
RSX is approved for use in ordinary (nonclassified) areas, hazardous (classified) areas and are certified to the ATEX directive for use in Category 2 and 3 (Zone 1 and 2) classified areas..
Certifications/ Approvals
![]() | Certificate KEMA 07 ATEX0179 in accordance with the EU ATEX Directive 94/9/EC |
![]() | International Electrotechnical Commission IEC Certification Scheme for Explosive Atmospheres KEM 07.0052 |
![]() | FM Approvals Hazardous (Classified) Locations |
![]() | Underwriters Laboratories Inc. Hazardous (Classified) Locations |
ATEX Certification is to EN 60079-0: 2012 and EN 60079-30-1: 2007
IECEx certification is to IEC 60079-0: 2011 and IEC 60079-30-1: 2007
RSX cable has additional hazardous area approvals including: • CCE/CMRS • CSA
- Nickel-plated copper bus wires (14 AWG)
- Radiation cross-linked semiconductive heating matrix
- Radiation cross-linked dielectric insulation
- Tinned copper braid
- Fluoropolymer overjacket
- Minimum power output in conduit¹
RSX10-2: 26 W/m
RSX 15-2: 35 W/m - Available nominal supply voltage²: 208-240 Vac
- Minimum installation temperature: -60°C
- Maximum circuit length
RSX 10-2: 180m
RSX 15-2: 120 m - Minimum bend radius
@ -15°C: 10 mm
@ -60°C: 32 mm - Pull strength: 500N
- Weight: 0.191kg/m
- T-rating²
9, 15, 25 W/m: T6 85°C
32 W/m: T5 100°C
Based on stabilised design³: T6 85°C
Notes:
¹ | Minimum power output for substrate temperature of 5°C (41°F) and operating voltage of 230 Vac. |
² | For other voltages up to 277 Vac, contact us. |
Conventional Foundation Heating System
Circuit Breaker Sizing and Type¹Maximum current draws based on start-up temperatures are shown below. Circuit breaker sizing should be based on local regulations. Ground-fault protection of equipment should be provided for each branch circuit supplying electric heating equipment.
Notes:
Temperature ControlFrom both energy saving and operational standpoints, the heating system should include an effective and versatile temperature control system. Contact us for recommendations. | Power & End Termination KitFHT 1-R-10 contains components to fabricate 10 power connections and 10 end terminations for RSX foundation heating cable. (Components for a single circuit shown.) Kit includes:
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