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Bimetallic 250V 5A Resettable Thermal Cutoff Switch For Air Conditioner Radiator
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Product Details:
Payment & Shipping Terms:
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Detailed Product Description
| Name: | Thermal Cutoff Switch | Model: | H21 |
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| Contact Type: | Normally Closed Or Normally Open | Temperature Range: | 40-150℃ |
| Case: | Plastic | Rated Volts & Amps: | 250V AC 5A/10A |
| Certificate: | CQC, UL ,TUV | Lead Wire: | UL3135 AWG18, AWG20, AWG22, Or Customized |
| Life Cycle: | 10,000 Cycles | Lead Wire Length: | L1=L2=70mm(Standard), Can Be Customzied |
| High Light: | thermal overload protector,thermostat cut off switch |
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Bimetallic 250V 5A H20 Thermal Cutoff Switch for Air Conditioner Radiator
Quick Detail:
| Model | H21 |
| Reset Type | Auto Reset |
| Single Pole,Single Throw(SPST) | |
| Case Material: | Plastic or Metal |
| Rated Voltage & Current | 250V AC 5A/10A |
| Contact Type | Normally Closed(Open on Rise) or Normally Open(Close on Rise) |
| Operating Temperature Range | 45～150℃ |
| Temperature tolerance | ±5.0℃ |
| Contact Resistance | ≤50mΩ |
| Insulation Resistance | ≥100MΩ |
| Dielectric Strength | ≥1500V |
| Life Cycle | 10,000 Cycles |
| Certificate | CQC,TUV,UL,VDE,ROHS,REACH |
Description:
H20 thermal cutoff switch is a temperature control switch developed by imported thermal bimetal. It uses high sensitive disk-shaped bimetal strip as the temperature-sensing element. H20 thermal cutoff switch composed of bimetal strip, moveable contact, stationary contact piece, fixed base, moveable spring piece, case and temperature resistance lead wire. When the electric equipment work normally, the bimetallic strip in free state, the contact is in closing/opening state, when the temperature reached operating temperature, bimetallic strip is heated to produce internal stress and fast action, open/close contact, cut/processing circuit, and temperature control.When the appliance is cooled to the reset temperature, the contact will automatically close/open and return to normal working state. H20 thermal cutoff switch has the features of small size, rapid action, accurate temperature control and long life cycle. It is widely used in all kinds of electric motors, coils , household applliance and power tools.
Specifications:
1. Dimensional Outline
2. Structural Drawing
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| No. | Part Name | Material | Qty |
| 1 | Lead wire | 0.75mm² black silicon wire | 2 |
| 2 | Sealing | Epoxy resin | A few |
| 3 | Insulation blcok | Ceramic | 1 |
| 4 | Moveable contact | AgNi10/Cu | 1 |
| 5 | Moveable spring piece | Beryllium bronze | 1 |
| 6 | Case | Plastic | 1 |
| 7 | Stationary Contact piece | AgNi10/Cu | 1 |
| 8 | Base | Brass H62 | 1 |
| 9 | Bimetal strip | BR-1 | 1 |
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3. Action Temperature Table
| H20 & H21 Series | |||||||||
| Action Temperature | Reset Temperature | Action Temperature | Reset Temperature | ||||||
| 40±5℃ | ≥27℃ | 110±5℃ | 73±15℃ | ||||||
| 45±5℃ | ≥27℃ | 110±5℃ | 73±15℃ | ||||||
| 50±5℃ | ≥30℃ | 115±5℃ | 76±15℃ | ||||||
| 55±5℃ | ≥30℃ | 120±5℃ | 80±15℃ | ||||||
| 60±5℃ | 40±15℃ | 125±5℃ | 83±15℃ | ||||||
| 65±5℃ | 43±15℃ | 130±5℃ | 86±15℃ | ||||||
| 70±5℃ | 46±15℃ | 135±5℃ | 90±15℃ | ||||||
| 75±5℃ | 50±15℃ | 140±5℃ | 93±15℃ | ||||||
| 80±5℃ | 53±15℃ | 145±5℃ | 96±15℃ | ||||||
| 85±5℃ | 56±15℃ | 150±5℃ | 100±15℃ | ||||||
| 90±5℃ | 60±15℃ | ||||||||
| 95±5℃ | 63±15℃ | ||||||||
| 100±5℃ | 67±15℃ | ||||||||
| 105±5℃ | 70±15℃ | ||||||||
| Remark : | |||||||||
| Reset Temperature: 2/3 of Action Temperature, tolerance is±15℃ or customized. | |||||||||
Applications:
1. Electric motors
2. Induction cooker
2. Warm handbag
3. Vacuum cleaner
4. Soybean milk machine
5. Ballast
6. Washing machine motor
7. Air conditioner fan motor
8. Transformer, ballast
9. Electric heating belt
10. Health care equipment
11. Pump fan
12. Battery
13. Power tools
14. Heating pad
15. Air conditoner radiator
Competitive Advantages:
1. Fast temperature sensing
2. Accurate temperature control
3. Large control current
4. Low contact resistance
5. Safe and reliable
6. Small size, easy to install
7. No arc discharge
8. Long life cylces more than 10,000 times
9. Anti-vacuum dipping process, can be dipped with the motor
10. There are two types of normally closed and normally open can meet customers' different requirements
11. The length and specifications of lead wire can be customized
12. Substitute SENSATA 7AM,17AM,SEKI St22 series
Notes:
1. To avoid affecting the performance of the product, please do not collapse or deform the plastic or metal case when install H20 and H21 thermal overload protector.
2. To avoid leakage of electricity, please do not remove the insulation tube when install H21 thermal overload protector.
Tag:
Temperature Switch, Motor Protector, Thermal Cut-out, Overload Protector, Overheat Protector,Temperature Switch
Contact Details
Dongguan Yusheng Electronics Co., Ltd.
Contact Person: Ms. Amy Li
Tel: 86-13553890655
Fax: 86-769-82869802
Send your inquiry directly to us
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