Thermal Switch UL,CE,CQC,RoHS Temp of WKF Thermal Switch:-35C--320C Manual-reset capillary thermostat/temperature limits

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PRINCIPLE OF OPERATION:

        With temperature rise, the  expansion of liquid medium filled in sensing bulb & bellow part drives the switch ON/OFF through leverage function to maintain a desired set point temperature.

Features of manual reset temperature protection

    

Manual reset type temperature protectionAccurate temperature controlLittle difference on on/off temperatureBroad range of temperature controlLong life usageThis temperature protection is widely used in most household appliances (electric kettle, electric heater, oven, rolling-type washing machine, water boiler etc.), refrigeration industry (refrigerator, ice-maker, cold drinks-maker etc.), and medical industry as well

Technical Parameters of temperature protection:

Temperature Range of temperature protection:	–35°C ~ +320°C
Electric Rating:	16 ( 3 ) A – 250V ~ 10( 1.8 ) A – 400V
Min. Current:	200mA
Electrical Strength:	AC 2000V/1min
Normal Insulation Resistance:	≥100MΩ
Wet Insulated Resistance:	≥10MΩ
Contact Resistance:	≤50MΩ
Temperature Response Rate:	≤1.0°C/min
Life (Cycles) of temperature protection::	≥6,000
WIRING FORM:	S.P.S.T or S.P.D.T

 

Specifications of temperature protection::

	Sensing Bulb	Capillary
Specification	Dia.: Φ3,Φ4,Φ5,Φ6	Standard: 700mm (300~3000mm optional)
Material	Copper, Stainless Steel	Copper, Stainless Steel

Note:

*Specifications of manual reset type temperature protection: can be made by request.

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Water Heater Thermal Switch