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3100U 00031450
3100 Series Hermetic Thermostats
Actual product appearance may vary.
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Features
Hermetically sealed
Tight tolerances
Tight differentials
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Specification Search
Description
The 3100 Series consists of a single pole, single throw switch activated by a snap-
action bimetal disc. Temperature calibrations are pre-set at the factory and each
unit is 100% thermally and mechanically inspected. It is available to open or close
on temperature rise. The case is laser welded to form a hermetically-sealed steel
housing with a glass-to-metal seal at the terminal junction. It is manufactured and
tested to meet or exceed critical commercial and industrial specifications.
Supporting Documentation
None Available
Product Specifications
Functional Properties
Reset Type
Amperage
Voltage
Operating Temperature
Environmental Exposure Range
Open Temperature
Close Temperature
Open Tolerance
Close Tolerance
Dielectric Strength
Insulation Resistance
Open on rise
Automatic
3 A resistive max.
120 Vac
-29 °C to 260 °C [-20 °F to 500 °F]
-62 °C to 288 °C [-80 °F to 550 °F]
110.0 °C [230 °F]
96.1 °C [205 °F]
2.8 °C [5 °F]
2.8 °C [5 °F]
MIL-STD-202, Method 301; 1250 Vac
60 Hz - Terminal to Case
MIL-STD-202, Method 302; 50 MOhm
http://sensing.honeywell.com/index.cfm?ci_id=140301&la_id=1&pr_id=146360
10/21/2008
Page 2 of 2
Contact Resistance
Hermetic Seal
Moisture Resistance
Housing Material
MIL-STD-202, Method 307; 0.050
Ohm max.
MIL-STD-202, Method 112; Cond.
1x10-5
MIL-STD-202, Method 106
Steel housing hermetically sealed with
glass-to-metal seal at terminal
junction
Silver
UL
B209 fixed bracket
3100U
Contact Material
Agency Approvals and Standards
Mounting
Series Name
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http://sensing.honeywell.com/index.cfm?ci_id=140301&la_id=1&pr_id=146360
10/21/2008
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