Dongguan Heng Hao Electric Co., Ltd
                                                                                                           
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15 Years
Since 2011
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KSD301 Bimetal Thermostat Thermal Switch with Normally Closed or Open Contacts in Plastic or Ceramic Housing and Aluminum Cap or Copper Head

Price Negotiable
Price: USD 0.1
MOQ: 1000PCS
Delivery Time: 5~8WORKDAYS
Brand: HENGHAO
Product Description
KSD301 250V 16A Auto Reset Thermal Fuse Temperature Switch
The KSD series thermostat operates on the principle of bimetal discs that snap into action when temperature changes occur. This snap action activates internal contacts to open or close the circuit. Key features include fixed working temperature, reliable snap action, minimal flashover, extended service life, and reduced radio interference.
KSD301 Thermal Switch product image
Technical Specifications
Voltage & Current AC 125V max 15A; AC250V 5A 10A 15A max 16A
Action Temperature 0~250℃
Recovery and action temperature difference 0 to 25 degrees, or according to client's request
Temperature deviation ±3 / ±5 / ±10 degree or according to client's request
Circuit resistance ≤50mΩ (Initial value)
Insulation resistance AC50Hz 1500V / min, no breakdown blinding (Normal State)
Life cycle ≥100000 times
Contact type Normally closed or Normally open
Mounting bracket Movable or immovable
Terminal type a. Terminal type: 187series of 4.8*0.5mm and 4.8*0.8mm, 250 series of 6.3*0.8mm
b. Terminal Angle: bending angle: 0~90°C optional
Housing Plastic or ceramic
Temperature sensor face Aluminum cap or copper head
KSD301 Thermal Switch technical diagram
Auto Reset vs Manual Reset Types
Manual Reset Type: Uses a bimetallic strip that disconnects at the action temperature. Requires manual reset by pressing a button after temperature decreases by 20°C. Requires 4-6N force for reset.
Auto Reset Type: Uses a bimetallic strip that automatically reconnects when temperature decreases to the reset point.
Applications
Widely used for temperature control in household appliances including coffee pots, toasters, laminators, electric water pots, steam guns, steam irons, warmers, microwave ovens, and water dispensers.
Temperature Settings
Open Temp. Reset Temp. Open Temp. Reset Temp. Open Temp. Reset Temp.
-20℃±5℃ 5℃±5℃ 95℃±5℃ 80℃±5℃ 205℃±5℃ 175℃±10℃
-15℃±5℃ 5℃±5℃ 100℃±5℃ 80℃±10℃ 210℃±5℃ 180℃±10℃
-10℃±5℃ 5℃±5℃ 105℃±5℃ 85℃±10℃ 215℃±5℃ 185℃±10℃
0℃±5℃ -10℃±5℃ 110℃±5℃ 90℃±10℃ 220℃±5℃ 190℃±10℃
5℃±5℃ -5℃±5℃ 115℃±5℃ 95℃±10℃ 225℃±5℃ 195℃±10℃
Note: Custom temperature settings available according to client requirements.
This product has UL, CQC, TUV and RoHS certification approval.
KSD301 Thermal Switch certifications

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Dongguan Heng Hao Electric Co., Ltd
Location No.9, five lane, Shangchegang, Shangtang road, Gekeng, Hengli Town, Dongguan City, Guangdong, China
Contact Person Cherry Lee

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