Dongguan Heng Hao Electric Co., Ltd
                                                                                                           
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15 Years
Since 2011
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Bimetallic Thermostat KSD301 Thermal Fuse with 250V 16A 0-250℃ Range and 100000 Cycles Life

Price Negotiable
Price: USD 0.3~0.5PCS
MOQ: 1000PCS
Delivery Time: 10~15 WORKDAYS
Brand: HENGHAO
Product Description
Bimetallic Thermostat KSD301 Auto Reset Thermal Fuse
The KSD series thermostat operates on the principle of bimetallic discs that snap into action when temperature changes occur. This snap action activates internal contacts to open or close circuits. Key features include fixed working temperatures, reliable snap action, minimal flashover, extended lifespan, and reduced radio interference.
KSD301 Bimetallic Thermostat product photo
KSD301 Temperature Protector Specifications
Parameter Specification
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 Auto Reset vs Manual Reset Types
Manual Reset Type: Uses bimetallic strip temperature sensing. When temperature reaches the action range, the disc snaps to disconnect. Requires manual reset button press (4-6N force) after temperature drops 20°C to reconnect circuit. Requires minimum 20.4mm clearance between reset button and cover.
Auto Reset Type: Uses bimetallic strip temperature sensing. Automatically resets and resumes operation when temperature drops to specified level without manual intervention.
KSD301 Auto Reset Thermal Fuse Applications
Widely used for temperature control in household appliances including coffee pots, laminators, steam irons, warmers, water dispensers, and various temperature switches.
Temperature Specifications
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℃
10℃±5℃ 0℃±5℃ 120℃±5℃ 100℃±10℃ 230℃±5℃ 200℃±10℃
15℃±5℃ 5℃±5℃ 125℃±5℃ 105℃±10℃ 235℃±5℃ 205℃±10℃
20℃±5℃ 5℃±5℃ 130℃±5℃ 110℃±10℃ 240℃±5℃ 210℃±10℃
25℃±5℃ 10℃±5℃ 135℃±5℃ 115℃±10℃ 245℃±5℃ 215℃±10℃
30℃±5℃ 15℃±5℃ 140℃±5℃ 120℃±10℃ 250℃±5℃ 220℃±10℃
This product has UL, CQC, TUV and RoHS certification approval.
KSD301 Thermostat certification documentation

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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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