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 Temperature Range -10~300°C for Automobile Cooling Fan

Price Negotiable
Price: US$0.2-0.3PER,PC
MOQ: 1000PCS
Delivery Time: 7-10 WORKING DAYS
Brand: HENGHAO
Product Description
KSD301 Bimetal Thermostat for Automobile Cooling Fan
KSD301 Bimetal Thermostat product image
Product Overview
The KSD301 bimetal thermostat is a temperature-controlled switch designed for automobile cooling fans and various household appliances. This thermal protector features reliable snap action, precise temperature control, and long service life.
Operating Principle
The thermostat utilizes a bimetal disc that snaps into action when sensing temperature changes. This movement activates internal contacts to open or close the electrical circuit.
Technical Specifications
  • Electrical Rating: AC 125V max 15A; AC250V 5A/10A/15A max 16A
  • Action Temperature Range: -10°C to 300°C
  • Temperature Differential: 10-25°C (customizable)
  • Temperature Deviation: ±3°C/±5°C/±10°C (customizable)
  • Circuit Resistance: ≤50mΩ (initial value)
  • Insulation Resistance: ≥100mΩ (DC500V Normal State)
  • Dielectric Strength: AC50Hz 1500V/min (no breakdown)
  • Life Cycle: ≥100,000 operations
  • Contact Configuration: Normally closed or open
  • Mounting Options: Movable or fixed bracket
  • Terminal Types: 187 series (4.8×0.5mm, 4.8×0.8mm) or 250 series (6.3×0.8mm)
  • Body Material: Plastic or ceramic
  • Sensor Face: Aluminum cap or copper head
Reset Types
Manual Reset: Requires button press to reconnect circuit after temperature drops approximately 20°C below trip point.
Auto Reset: Automatically reconnects circuit when temperature drops to reset point.
Standard 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℃
Applications
This thermostat is widely used in:
  • Automobile cooling systems
  • Coffee makers
  • Toasters
  • Electric kettles
  • Steam irons
  • Microwave ovens
  • Water dispensers
  • Various heating appliances
KSD301 Thermostat certifications
Certifications: UL, CQC, VDE, RoHS compliant

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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