Dongguan Heng Hao Electric Co., Ltd
                                                                                                           
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15 Years
Since 2011
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KSD301 Thermal Fuse Bimetal Thermostat 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
H31 Thermal Fuse KSD301 Auto Reset Thermal Fuse KI31 Thermal 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, long service life, and low radio interference.
KSD301 Thermal Fuse product image
KSD301 Thermostat 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 Fuse technical diagram
KSD301 Auto Reset vs Manual Reset Types
Manual Reset Type: Uses a bimetallic strip that snaps open at the action temperature. Requires manual reset by pressing a button after temperature drops by 20°C (4-6N force recommended). Requires minimum 20.4mm clearance between reset button and cover.
Auto Reset Type: Uses a bimetallic strip that automatically resets when temperature drops to the reset point, restarting the circuit without manual intervention.
KSD301 Bimetal Thermostat Applications
Widely used for temperature control in household appliances including coffee pots, toasters, laminators, electric water pots, steam guns, steam irons, wind warmers, microwave ovens, and water dispensers.
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.

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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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