Dongguan Heng Hao Electric Co., Ltd
                                                                                                           
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15 Years
Since 2011
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250V 16A Bimetallic Thermostat with 100000 Cycles and 0-250℃ Temperature Range for Precise Control

Price Negotiable
Price: USD 0.3~0.5PCS
MOQ: 1000PCS
Delivery Time: 10~15 WORKDAYS
Brand: HENGHAO
Product Description
250V 16A KSD301-G KSD301-R KSD301-V Bimetallic Thermostat Temperature Controller
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.
KSD301 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. 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
KSD301 Bimetallic Thermostat Temperature Controller
Close-up of KSD301 Thermostat Components
KSD302: Auto Reset vs Manual Reset Types
Manual Reset Type
The temperature sensing component consists of a bimetallic strip. When reaching the action temperature range, it snaps quickly to disconnect. The contact point cannot reset automatically - it requires manual reset by pressing a button after temperature declines by 20°C (4~6 N force recommended). The distance between reset button and cover should be ≥20.4mm for proper function.
Auto Reset Type
Similar bimetallic strip mechanism, but automatically resets and resumes operation when temperature declines to the reset point without manual intervention.
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 has UL, CQC, TUV and RoHS certification approval.
Certification documentation for KSD301 thermostat

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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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