Thermon HTSX: Self-Regulating Heating Cable, up to 121°C

Thermon HTSX: Self-Regulating Heating Cable, up to 150°C

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A high temperature self-regulating heat tracing cable.
Ideal for freeze protection or process temperature maintenance
where high temperature exposure capability is required
HTSX withstands the temperature exposures associated with steam purging.
Operating Voltage: 110-120 or 208-277 VAC
Maximum operating temperature: 150°C
T-rating: T2 | T3
Certifications/ Approval:

For a detailled quotation, please specify required W/m & quantity in metres, below.

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Thermon BSX: Self-regulating heating cable, product specifications

Nickel-plated copper bus wires (16 AWG)
Semiconductive heating matrix and fluoropolymer
dielectric insulation
Tinned copper braid
Fluoropolymer overjacket provides additional protection
for cable and braid where exposure to chemicals or
corrosives is expected..

Applications for Thermon HTSX self-regulating heating cable

HTSX self-regulating heating cables are designed specifically for process temperature maintenance or freeze protection where high temperature exposure capability is required.

HTSX withstands the temperature exposures associated with steam purging.

The heat output of HTSX cable varies in response to the surrounding temperature. Variations in the ambient temperature or heat lost through the thermal insulation are compensated for automatically along the entire length of a heat-traced pipe.

HTSX cables are approved for use in ordinary (nonclassified) areas and hazardous (classified) areas.

Certifications/ Approvals

	Factory Mutual Research Ordinary Locations Hazardous (Classified) Locations Class I, Division 2, Groups B, C and D Class II, Division 2, Groups F and G Class III, Divisions 1 and 2 Class I, Zones 1 and 2, AEx e II
	Underwriters Laboratories Inc. Ordinary Locations Hazardous (Classified) Locations Class I, Division 2, Groups A, B, C and D Class II, Division 2, Groups F and G Class III, Divisions 1 and 2

Available Watt densities: 9, 18, 27, 37, 48, 64 W/m at 10°C
Supply voltages: 110-120 or 208-277 Vac
Maximum maintenance temperature: 150°C
Maximum exposure temperature
Intermittent power-on: 215°C
Intermittent power-off: 250°C
Continuous power-off: 204°C
Minimum installation temperature: -60°C
Minimum bend radius
@ -15°C: 10 mm
@ -60°C: 32 mm
T-rating¹
3, 6, 9, 12, 15-2 W/m: T3 200°C
15-1 and 20-1 W/m: T2D 215°C
20-2 W/m: T2C 230°C
Based on stabilised design²: T3 to T6

Notes:

¹	T-rating per the National Electrical Code and Canadian Electrical Code.
²	Thermon heating cables are approved for the listed T-ratings using the stabilized design method. This enables the cable to operate in hazardous areas without limiting thermostats. The T-rating may be determined using CompuTrace® Electric Heat Tracing Design Software or contact Thermon for design assistance.

Power Output Curves

The power outputs shown apply to cable installed on insulated metallic pipe (using the procedures outlined in IEEE Standard 515) at the service voltages stated below. For use on other service voltages, contact us.

Catalog Number 120 Vac Nominal	Catalog Number 240 Vac Nominal	Power Output at 10°C w/m
HTSX 3-1	HTSX 3-2	10
HTSX 6-1	HTSX 6-2	20
HTSX 9-1	HTSX 9-2	30
HTSX 12-1	HTSX 12-2	39
HTSX 15-1	HTSX 15-2	49
HTSX 20-1	HTSX 20-2	66

Thermon HTSX Self-regulating heating cable, power output

Circuit Breaker Sizing and Type¹

Maximum circuit lengths for various circuit breaker amperages are shown below. Circuit breaker sizing and earth-fault protection should be based on applicable local codes. For information on design and performance on other voltages, contact us.
Earth-fault protection of equipment should be provided for each branch circuit supplying electric heating equipment.

120 Vac Service Voltage		Max. Circuit Length³ vs. Breaker Size (Metres)
Product Type	Start-Up Temperature² °C	20 A	30 A	40 A
HTSX 3-1	10 -18 -29 -40	109 109 109 109	109 109 109 109	109 109 109 109
HTSX 6-1	10 -18 -29 -40	71 71 71 71	77 77 77 77	77 77 77 77
HTSX 9-1	10 -18 -29 -40	52 52 52 50	62 62 62 62	62 62 62 62
HTSX 12-1	10 -18 -29 -40	41 41 41 38	54 54 54 54	54 54 54 54
HTSX 15-1	10 -18 -29 -40	30 29 27 26	48 46 44 41	49 49 49 49
HTSX 20-1	10 -18 -29 -40	26 24 23 21	40 37 35 33	42 42 42 42

240 Vac Service Voltage		Max. Circuit Length³ vs. Breaker Size (Metres)
Product Type	Start-Up Temperature² °C	20 A	30 A	40 A
HTSX 3-2	10 -18 -29 -40	217 214 187 162	217 217 217 217	217 217 217 217
HTSX 6-2	10 -18 -29 -40	143 132 120 108	154 154 154 154	154 154 154 154
HTSX 9-2	10 -18 -29 -40	104 95 88 81	125 125 125 125	125 125 125 125
HTSX 12-2	10 -18 -29 -40	82 74 70 65	109 109 109 104	109 109 109 109
HTSX 15-2	10 -18 -29 -40	61 53 51 48	96 84 79 74	96 96 96 96
HTSX 20-2	10 -18 -29 -40	48 42 40 38	75 65 62 59	84 84 84 80

Notes:

¹	For more precise power output values as a function of pipe temperature, refer to CompuTrace®.
²	Based on the trip current characteristic of Type QOB or Type QO equipment protection devices. For devices with other trip current characteristics, contact Thermon.
³	The maximum circuit length is for one continuous length of cable, not the sum of segments of cable. Refer to CompuTrace® design software or contact Thermon for current loading of segments.

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Zone Classification: Thermon PETK Power & End Termination Kits Installation video	Zone Classification: Thermon SCTK Splice Connection Termination Kits Installation video

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Below is a list of tags that have been applied to this product. Clicking on a tag will display a list of all products with that tag applied.

Thermon	Pharmaceutical & Medical	Food & Beverage
Chemical & Petrochemical	Maintenance	Heating of pipes & vessels
Ex rated/ hazardous	Parallel Heating Cables