Nelson™ Heat Trace TA7140 thermostat is for ambient temperature control in hazardous locations.
This thermostat is housed in an aluminum enclosure. The switch has 22 Amp/480 Volt single pole double throw (SPDT) leads.
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Nelson™ Heat Trace TA7140 Thermostat
Nelson™ Heat Trace TA7140 Thermostat
Specs
Certifications and Compliances
UL Listed, CSA and ATEX Certified, FM Approved: Hazardous (Classified) Locations
UL
Class I, Division 1 and 2, Groups B, C, D; Class II, Division 1 and 2, Groups E, F, G
CSA
Class I, Division 1 and 2, Groups B, C, D; Class II, Division 1 and 2, Groups E, F, G
FM
Class I, Division 1 and 2, Groups B, C, D; Class II, Division 1 and 2, Groups E, F, G
ATEX
Ex II 2 G D; EEx d IIC T6; Tamb -40 °C to +60 °C; IP65
Enclosure
NEMA Type 4, 7, 9; IP66
Material
Cast aluminum
Temperature Range
-9 °C to +60 °C (+15 °F to +140 °F)
Enclosure Limits
-40 °C to +71 °C (-40 °F to +160 °F)
Capillary Material
316L Stainless Steel
Maximum Bulb Temperature
+71 °C (+160 °F)
UL and CSA Rating
22 amp resistance 480 Vac (100-480Vac)
Calibration Accuracy
+1.1 °C (+2 °F)
Switch Type
Single Pole Double Throw (SPDT)
Resources
Features
- Thermostat is designed for use with Nelson™ LT, HLT, XLT and NC Series heater cables