Foshan Best Electrical Appliance Industry Co., Ltd.
Main products:Thermostat,Temperature controller,Room thermostat
Contact Us
  • Contact Person : Mr. Yang Mingpei
  • Company Name : Foshan Best Electrical Appliance Industry Co., Ltd.
  • Tel : 86-757-28978610
  • Fax : 86-757-28901976
  • Address : Guangdong,Foshan,South of 5th Floor, Hengtong Building. South of Lanshi Bridge. Lecong Residents Committee. Xiaobu Section, Lecong town,. Shunde District
  • Country/Region : China
  • Zip : 528315

Universal Manual-Reset Thermal Protector

Universal Manual-Reset Thermal Protector
Product Detailed
1.Thermal Protector 2.Temp:-35C to +320C 3.Rating:16(3)A-250V 4.Reset type:Manual Reset 5.UL,CE,RoHS,CQC,ISO Thermal Protect

Universal Manual-Reset Thermal Protector 



WKF Thermal Protector plays an important role as a dual overheat protection with a capillary thermostat, is applied to various electrical appliances. This Manual-Reset Thermal Protector has a capillary length of approx 500mm (partly sleeved as shown in picture), sensing bulb (sensor) is approx 4mm thick. Temperature cut out at 240 degrees centigrade, black manual reset button covered in a cap. Terminal direction could be upward or downward according to your desired request.




Features of Thermal Protector  

Strictly comply with UL, CE, CQC, RoHS, and ISO regulationAvailable in a wide temperature range and differentialManual-reset designSnap-Action electric switchLittle magnetic interference

Specifications of Thermal Protector  


Temperature Range of Thermal Protector 

-35°C ~ +320°C 

Temperature Differential

5% of Action Temperature

Length of Capillary

300mm~3000mm optional

Material of Capillary and Sensing Bulb

Stainless Steel and Copper optional

Diameter of Sensing Bulb

Standard: 4mm

Electric Rating

16(3)A 250VAC~10(1.8)A 400V


Wiring Diagram

Single Pole Single Throw (SPST)

Single Pole Double Throw (SPDT)

Direction of Terminal

90 degree upward

90 degree downward

Material of Terminal


Center of Mounting Hole


Min. Capillary Bend Radius


Temperature Rate of Change



6000 cycles

If you have any queries about this Thermal Protector , then please don’t hesitate to contact us in any way, and we will always try and help.


The other type of Thermal Protector (Model: WKB-S) shown in the picture below, which is replaceable to EGO temperature limit switch, is available. We would love to provide you their information as soon as we hear from you.



Universal Manual-Reset Thermal Protector

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