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 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 Controlled Switch Temperature Protector Thermal Protector
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. Key features include fixed working temperatures, reliable snap action, minimal flashover, extended lifespan, and reduced radio interference.
KSD303 Temperature 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
KSD303 Auto Reset vs Manual Reset Types
Manual Reset Type: Uses bimetallic strip temperature sensing. When temperature reaches action range, the disc snaps open. Requires manual reset button press (4-6N force) after temperature drops 20°C from action point. Reset button must have ≥20.4mm clearance from cover.
Auto Reset Type: Uses bimetallic strip temperature sensing. Automatically resets when temperature drops to specified point without manual intervention.
KSD301 Bimetal Thermostat Temperature Settings
KSD301 Bimetal Thermostat Temperature Settings Table
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℃
20℃±5℃ 5℃±5℃ 130℃±5℃ 110℃±10℃ 240℃±5℃ 210℃±10℃
25℃±5℃ 10℃±5℃ 135℃±5℃ 115℃±10℃ 245℃±5℃ 215℃±10℃
30℃±5℃ 15℃±5℃ 140℃±5℃ 120℃±10℃ 250℃±5℃ 220℃±10℃
Custom temperature settings available according to client requirements
Product Certifications: UL, CQC, TUV and RoHS approved
Thermostat Certification Badges

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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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