Dongguan Heng Hao Electric Co., Ltd
                                                                                                           
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15 Years
Since 2011
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KSD301 Bimetal Thermostat Temperature Controlled Switch with Normally Closed or Open Auto or Manual Reset UL/CQC/TUV/RoHS Certified

Price Negotiable
Price: US$0.2-0.3 PER PC
MOQ: 1000PCS
Delivery Time: 7-10 WORKING DAYS
Brand: HENGHAO
Product Description
Temperature Controlled Switch KSD301 250V16A Temperature Controller
The KSD series thermostat operates on the principle of bimetal discs that snap into action with temperature changes. This snap action activates internal contacts to open or close the circuit. Key features include fixed working temperature, reliable snap action, minimal flashover, extended lifespan, and reduced radio interference.
KSD301 Temperature Switch
KSD301 Thermostat Specifications
KSD301 Specifications Diagram KSD301 Technical Details
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 Two kinds: 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
House plastic or ceramic
Temperature sensor face aluminum cap or copper head
KSD301 Thermostat Components
KSD301 Auto Reset vs Manual Reset Types
  • Manual reset type: Uses bimetallic strip temperature sensing. Requires manual reset button press after temperature drops 20°C from action point (4-6N force recommended). Minimum 20.4mm clearance required between reset button and cover.
  • Auto reset type: Uses bimetallic strip temperature sensing. Automatically resets when temperature drops to specified point without manual intervention.
KSD301 Bimetal Thermostat Applications
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℃
Custom temperature settings available according to client requirements
Product holds UL, CQC, TUV and RoHS certifications. Certification Badges
For more information, visit: KSD Thermostat or Thermostat Manufacturer

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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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