Dongguan Heng Hao Electric Co., Ltd
                                                                                                           
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15 Years
Since 2011
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KSD301 Bimetallic Thermostat with 100000 Cycles and Plastic or Ceramic Housing for Aluminum Cap or Copper Head Applications

Price Negotiable
Price: USD 0.1
MOQ: 1000PCS
Delivery Time: 5~8WORKDAYS
Brand: HENGHAO
Product Description
KSD301 Auto Reset Thermal Fuse KSD301-R Bimetallic Thermostat
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, featuring fixed working temperatures, reliable operation, minimal flashover, extended lifespan, and reduced radio interference.
KSD301 Bimetallic Thermostat product image
Technical Specifications
Parameter Specification
Voltage & Current AC 125V max 15A; AC250V 5A 10A 15A max 16A
Action Temperature 0~250℃
Recovery/Action Temp Difference 0 to 25 degrees (customizable)
Temperature Deviation ±3/±5/±10°C (customizable)
Circuit Resistance ≤50mΩ (Initial value)
Insulation Resistance AC50Hz 1500V/min, no breakdown
Life Cycle ≥100,000 operations
Contact Type Normally closed or Normally open
Mounting Bracket Movable or immovable options
Terminal Type 187 series (4.8*0.5mm/4.8*0.8mm) or 250 series (6.3*0.8mm)
Housing Material Plastic or ceramic
Temperature Sensor Face Aluminum cap or copper head
KSD301 Thermostat technical diagram
Reset Types Comparison
Manual Reset Type
When temperature reaches the action range, the bimetallic strip disconnects the circuit. Requires manual reset button press (4-6N force) after temperature drops 20°C from trip point. Requires minimum 20.4mm clearance between reset button and cover.
Auto Reset Type
Automatically resets when temperature drops to specified recovery point without manual intervention.
Applications
Ideal for temperature control in household appliances including:
  • Coffee makers
  • Toasters
  • Laminators
  • Electric kettles
  • Steam irons
  • Microwave ovens
  • Water dispensers
  • Space heaters
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℃
Custom temperature settings available upon request.
Certifications
This product holds UL, CQC, TUV and RoHS certifications.
Product certification badges

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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