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

Price Negotiable
Price: USD 0.15
MOQ: 1000
Delivery Time: 10~15WORKDAYS
Brand: HENGHAO
Product Description
KSD301 Thermostat Temperature Protector Controller Switch Manual Reset
KSD301 Thermostat product image
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.
Technical Specifications
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 degree (customizable)
Circuit Resistance: ≤50mΩ (Initial value)
Insulation Resistance: AC50Hz 1500V/min, no breakdown (Normal State)
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)
Terminal Angle: 0~90°C optional
Housing Material: Plastic or ceramic
Temperature Sensor Face: Aluminum cap or copper head
KSD301 Thermostat close-up view KSD301 Thermostat installation example
Manual Reset vs Auto Reset Types
Manual Reset Type
When temperature reaches the action range, the bimetallic strip snaps to disconnect the circuit. The contacts remain open until manually reset by pressing the reset button (4-6N force recommended). Requires temperature to decline by 20°C before resetting. Minimum 20.4mm clearance required between reset button and cover for proper operation.
Auto Reset Type
Similar operation to manual reset, but automatically reconnects when temperature drops to the reset point without requiring manual intervention.
Applications
Widely used for temperature control in household appliances including:
  • Coffee pots
  • Automatic toasters
  • Laminators
  • Electric water pots
  • Steam guns
  • Steam irons
  • Wind warmers
  • Microwave ovens
  • 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℃
10℃±5℃ 0℃±5℃ 120℃±5℃ 100℃±10℃ 230℃±5℃ 200℃±10℃
Custom temperature settings available according to client requirements.
Certifications
This product has UL, CQC, TUV and RoHS certification approval.
KSD301 Thermostat 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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