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Manual Reset 250VAC KSD301 Bimetal Thermostat

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Manual Reset 250VAC KSD301 Bimetal Thermostat

Manual Reset 250VAC KSD301 Bimetal Thermostat
Manual Reset 250VAC KSD301 Bimetal Thermostat Manual Reset 250VAC KSD301 Bimetal Thermostat Manual Reset 250VAC KSD301 Bimetal Thermostat Manual Reset 250VAC KSD301 Bimetal Thermostat Manual Reset 250VAC KSD301 Bimetal Thermostat

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Product Details:
Place of Origin: DONGGUAN,CHINA
Brand Name: HENGHAO
Certification: UL CQC TUV ROHS
Model Number: KSD301
Payment & Shipping Terms:
Minimum Order Quantity: 1000PCS
Price: US$0.2-0.3 PER PC
Packaging Details: 1650 PCS PER CARTON
Delivery Time: 7-10 WORKING DAYS
Payment Terms: TT FOB SZ
Supply Ability: 1000000PCS PER MONTH
Detailed Product Description
Product Name: KSD301 Bimetal Thermostat Voltage: AC 250V/16A; AC 125V/15A
Temperature Range: 0-250C Rated Voltage: 250VAC
Switch Type: Normally Closed/Open Bracket Type: Loose Collar
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Specification

 
Product Name
Bimetal thermostat
Model
KSD301
Body material
Bakelite, ceramic
Switch type
normally closed / normally open
Electrical parameters
AC250V 50-60Hz 10A/15A/20A/25A
Operating temperature range
0~150℃
Life
≥100000 (times)
Action temperature error
±3℃/5℃
Reset temperature error
±15℃
Contact resistance
≤50mΩ
Insulation resistance
≥100mΩ

 

1. KSD301(H31) temperature protector’s Principle and structure

 

The main principle of KSD series thermostat is that one function of bimetal discs is snap action under the change of sensing temperature. The snap action of disc can push the action of the contacts through the inside structure, and then caused on of off the circuit finally. The main characteristic are the fixation of working temperature, the reliable snap action, less flashover longer working life and less radio interference.

 

2. KSD301 (H31) thermostat’s specification

 

2.1. Electrical Rating: AC 125V max 15A; AC250V 5A 10A 15A max 16A

2.2. Action Temperature: -10~300 degree

2.3. Recovery and action temperature difference: 10 to 25 degrees, or according to client's request.

2.4. Temperature deviation: +-3 / +-5 / +-10 degree or according to client's request

2.5. Circuit resistance: ≤50mΩ (Initial value)

2.6. Insulation resistance: ≥100mΩ (DC500V Normal State)

2.7. Dielectric Strength: AC50Hz 1500V / min, no breakdown blinding (Normal State)

Life cycle: ≥100000

2.8. Normally closed or open

2.9. Two kinds of mounting bracket: movable or immovable

2.10. Terminal

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

2.11. Two kinds of body: plastic or ceramic.

2.12. Two kinds of temperature sensor face: aluminium cap or copper head.

 

3. Difference of auto reset type and Manual reset type

 

3.1. Manual reset type: Temperature sensing components consist of bimetallic strip. When the temperature reached the action temperature range, it will jump quickly and the movable disc disconnects. When the temperature declines to a fixed temperature point, the contact point cannot reset until reconnecting the circuit by pushing the reset button. And then the contact points recover, reaching a purpose of connecting or disconnecting the circuit and restarting the circuit by manual reset. (Kindly reminder: 1.This type of manual reset thermostat can reset when the temperature declines 20 °C after snap action by pressing the reset button. And 4~6 N will be advisable; please don’t use too much strength. 2. To ensure the normal function, the distance between the reset button and the close cover should not be less than 20.4mm. )

3.2. Manual reset type: Temperature sensing components consist of bimetallic strip. When the temperature reached the action temperature range, it will jump quickly and the movable disc disconnects. When the temperature declines to a fixed temperature point, the contact point can auto reset and start working.

4. KSD301 (H31) bimetal thermostat’s Application

It is used as temperature control for household electric appliances and widely applied in coffee pots, automatic toasters, laminators, electric water potssteam guns, steam irons, wind warmers, microwave ovens, water dispensers, etc.

 

 

Installation and Direction for Use:

  • Method of earth: By means of the metal cup of thermostat connected in the earthing metal part.
  • The thermostat should work in environment with humidity not higher than 90%, free of caustic, flammable gas and conducting dust.
  • When the thermostat is used to sense the temperature of solid items, its cover should be clung to the heating part of such items. Meanwhile, heat-conducting silicon grease, or other heat media of similar nature, should be applied to the cover’s surface.
  • If the thermostat is used to sense the temperature of liquids or steam, it is strongly recommended to adopt a version with stainless-steeled cup. Moreover, cautious measures should be taken to prevent liquids getting into/onto the thermostat’s insulation parts.
  • The top of the cup must not be pressed to sink, so as to avoid adverse effect on the thermostat’s temperature sensitivity or its other functions.
  • Liquids must be kept out of the thermostat’s inner part! The base must avid any force that could lead to crack; it should be kept clear and away from the pollution of electric substance to prevent insulation weakening that leads to short-circuited damages.
  • The terminals should be bent, or else, the reliability of electric connection will be influenced.Manual Reset 250VAC KSD301 Bimetal Thermostat 0

Contact Details
Dongguan Heng Hao Electric Co., Ltd

Contact Person: Li

Tel: +8613431163393

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