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Density - Viscosity
Flame and Gas Detection
Flow
Flow Measurement & Blending Systems
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Level Measurement
Liquid Analysis
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Tank Gauging
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AMS Inspection Rounds
AMS SNAP-ON White Paper
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Turnaround Support
Customer Story: Planned Shutdowns
Video: Quarterbacking An Outage Coordination
Turnarounds & Outages
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Video: Pressure Relief System Evaluation
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Video: Warehouse & Assembly Operations
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Products
Measurement Instrumentation
Industrial Heat Tracing
Industrial Thermostats
Nelson™ Heat Trace TF4X40 Thermostat
Overview
Nelson™ Heat Trace TF4X40 thermostat is used for controlling heat tracing systems in ordinary locations.
This thermostat is housed in a polyester enclosure. The switch has 22 Amp/480 Volt single pole single throw (SPST) leads.
Nelson™ Heat Trace TF4X40 Thermostat
Specs
Certifications and Compliances
UL Listed, CSA Certified: Ordinary (Unclassified) Locations
Enclosure
NEMA Type 4X; IP66
Material
Molded fiberglass polyester
Fixed Temperature Range
+4.4 °C (40 °F)
Exposure
-34 °C to +60 °C (-30 °F to +140 °F)
Capillary Length
0.9 m (3 ft)
Capillary Material
Tin Plated Copper
Maximum Bulb Temperature
+71 °C (+160 °F)
Electrical Data
22 Amp Resistance @ 480 Vac (100-480Vac)
Switch Type
Single Pole Single Throw (SPST)
Resources
All
Catalogs
Manuals & Guides
PDF
Size: 410kb
Catalogs
Catalog: Nelson Heat Trace TF4X40 Thermostat
PDF
Size: 142kb
Catalogs
Catalog: Nelson Heat Trace Thermostats Selection Guide
PDF
Size: 75kb
Manuals & Guides
Installation and Maintenance Manual: 272137-B, TF4X40 Heat Tracing Temerature Switch for Ordinary Locations
PDF
Size: 236kb
Manuals & Guides
Instruction Sheet: GA-2240, TF4X40 Thermostat
PDF
Size: 7.2mb
Brochure: Heat Trace Technologies | Nelson
Features
Thermostat is designed for use with Nelson™ LT, HLT, XLT, CLT and NC Series heater cables
Economical pipe sensing temperature control
Fixed adjustment
NEMA 4X, IP66 corrosion resistant, watertight, non-metallic enclosure
The capillary bulb should be mounted on the side of the pipe