Thermotrace Self Regulating Tracer – STP

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Compliance Standards: EN 60079 – 0, IS/ IEC / EN 60079 – 30 – 1 & EN 60079 – 31
Approvals Tested by Central Institute of Mining and Fuel Research (CSIR-CIMFR), Dhanbad and approved by Petroleum and Explosives Safety Organization ( PESO), Nagpur, India for Zone II , TI (ATEX) for Zone I / Division II & EAC for use in hazardous area applications
Safety As the Cable self regulates its heat output, its limit the maximum sheath temperature, thus making it burnout proof


Catalogue Reference STP15 STP30 STP45 STP60
Heating Power W/m (230V AC) at 10oC 15 30 45 60
Voltage Supply 230/240 VAC, 50/60 Hz, 110/120VAC on request
Max. Operating Temperature 1500C
Max. Exposure Temperature 2500C
Min. Installation Temperature – 650C
Minimum Bending Radius 25 mm

# Thermopads reserves the right to modify the specifications in line with future improvements, updated standards or updated certifications

STP Power Output Characteristics

Circuit Breaker Selection and Maximum Circuit Lengths


Catalog Number

Output at 10 deg C Max. Circuit Length Circuit Breaker Size Max. Maintenance Temperature Max. Exposure Temperature





15 W/m

117 16A 1500C 2500C
152 20A 1500C 2500C
185 25A 1500C 2500C






30 W/m

68 16A 1500C 2500C
91 20A 1500C 2500C
114 25A 1500C 2500C





45 W/m

48 16A 1500C 2500C
65 20A 1500C 2500C
82 25A 1500C 2500C





60 W/m

38 16A 1500C 2500C
51 20A 1500C 2500C
64 25A 1500C 2500C


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