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

Price Negotiable
Price: USD 0.3~0.5PCS
MOQ: 1000PCS
Delivery Time: 10~15 WORKDAYS
Brand: HENGHAO
Product Description
Temperature Controller Temperature Controlled Switch Temperature Protector
The KSD series thermostat operates on the principle of bimetal discs snapping into action when temperature changes occur. This snap action activates internal contacts to open or close circuits. Key features include fixed working temperatures, reliable snap action, minimal flashover, extended lifespan, and reduced radio interference.
KSD series thermostat product image
KSD302 Temperature Controller 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 Two types: 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
KSD302 temperature controller close-up
KSD301 Auto Reset vs Manual Reset Types
Manual Reset Type: Uses bimetallic strip temperature sensing. When reaching action temperature, the disc snaps to disconnect. Requires manual reset button press (4-6N force) after temperature drops ~20°C. Ensure ≥20.4mm clearance between reset button and cover.
Auto Reset Type: Also uses bimetallic strip. Automatically resets when temperature drops to specified point without manual intervention.
KSD302 Temperature Controller Applications
Ideal for temperature control in household appliances including coffee pots, laminators, steam irons, wind warmers, water dispensers, and more.
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℃
Custom temperature settings available according to client requirements
This product holds UL, CQC, TUV and RoHS certifications.
Thermostat certification documentation

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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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