Dongguan Heng Hao Electric Co., Ltd
                                                                                                           
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15 Years
Since 2011
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KSD301 Bimetal Thermostat with 100000 Cycles 250V 16A and 0-250℃ Temperature Range for Reliable Temperature Control

Price Negotiable
Price: US$0.2-0.3 PER PC
MOQ: 1000PCS
Delivery Time: 7-10 WORKING DAYS
Brand: HENGHAO
Product Description
KSD301 Thermal Fuse H31 Mini Bimetal Thermal Switch
The KSD series thermostat operates on the principle of bimetal discs snapping into action with temperature changes. This snap action activates contacts through internal mechanisms, effectively controlling circuit connections. Key features include fixed working temperatures, reliable snap action, minimal flashover, extended lifespan, and reduced radio interference.
KSD301 Thermal Fuse product view KSD301 Thermal Fuse side view KSD301 Thermal Fuse close-up
KSD301 Thermostat 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
Features a bimetallic strip temperature sensing component. When temperature reaches the action range, the disc snaps open to disconnect. Requires manual reset by pressing a button after temperature decreases by 20°C (4-6N force recommended). Requires minimum 20.4mm clearance between reset button and cover.
Auto Reset Type
Also uses bimetallic strip sensing. Automatically resets and reconnects the circuit when temperature decreases to the reset point without manual intervention.
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℃
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℃
Applications
  • Household appliances temperature control
  • Coffee pots
  • Automatic toasters
  • Laminators
  • Electric water pots
  • Steam guns
  • Steam irons
  • Wind warmers
  • Microwave ovens
  • Water dispensers
Product certifications UL, CQC, TUV and RoHS certified.

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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