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Metallic Expansion Type ThermostatEX-3

EX-3Zoom

Super-High Temperature, Metallic Expansion Type Thermostat

It is a thermal sensitive rod type thermostat developed for the purpose of operations at high temperature up to 500°C. Especially, this provides an excellent heat resistance and is suitable for applications in harsh environments.


Dimensional Drawing

Dimensional drawingZoom

Approved by:

UL  
CUL  
VDE  
JET  
CSA  
TUV  
SEMKO  
SAA  
CQC  

Applications

Heat treat furnace
Boiler

Feature 1

This thermostat functions by sensing a temperature with a bar-rod protruded from the main body. It can be used at a high temperature up to 500°C.

Feature 2

The mechanism provided with a single pole / double throw switch allows an alarm or a signal system to be operated simultaneously with a load turned ON or OFF.

Specifications

Type Single pole double throw
Rated Current AC250V 3A
Resistive load
Operating Temperature 170°C〜500°C
Automatic Reset Temperature Any value can be specified within the range that satisfies the differential.
Differential 100deg or less(dependent on the length of the thermal sensitive rod)
Temperature Tolerance ±20°C or more
Endurance 10,000 cycles or more
Dielectric Strength AC1,500V 1min
or
AC1,800V 1sec
Insulation Resistance 100MΩ or more(DC 500V)
Circuit Resistance 150mΩ or less
Heat Resistance Heat sensing surface : 500°C
Switch part : 350°C

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