AMT-C thermal protector, AMT-C thermal cutouts
AMT-A and AMT-C thermal switch’s Principle and structure
Quickly respond to the variation of temperature, and has the function of automatic reset. No current flows through bimetal so the influence of self-heating effect is avoided and it leads to a long service life with little change in temperature. Environmental friendly high-power sliver contact is adopted, being accord with the demands of safety approval for export.
AMT-A and AMT-C thermal switch’s application
1. It is applicable to the thermal radiation control on various electric heating appliance including electric Hair Dryer, Electric Fan Heaters, Popcorn Machines, Electric Ovens, Dish Dryers, Electric heaters, dehumidifiers, stewpots etc.
2. Never touch active piece or temperature sensor during the installment and utilization fo thermal protectors, or it will lead to the failure of protectors because of inaccurate temperature and loose contact.
AMT-A and AMT-C thermal switch’s specification.
1. Switch type: normally closed, and automatically reset
2. Electrical rating and current:AC-250V 10A; AC-125V 16A
3. Operating temperature range: 45~155°C (one step for every 5°C)
4. Temperature tolerance:±5°C ±7°C
5. Reset temperature: operating temperature decrease by 15~45°C
6. Contact closure resistance:≤50mΩ
7. Insulation resistance:≥100mΩ
8. Life cycles: ≥10,000 times
9. Electrical strength: AC1500V/1min,no breakdown, no loose
AMT-A and AMT-C open temperature and reset temperature sheet
| Open temp. | Reset temp. | Open temp. | Reset temp. |
| 45±5°C | 25~28°C | 105±5°C | 55~95°C |
| 50±5°C | 30~45°C | 110±5°C | 60~100°C |
| 55±5°C | 35~48°C | 115±5°C | 60~105°C |
| 60±5°C | 35~50°C | 120±5°C | 65~110°C |
| 65±5°C | 35~55°C | 125±5°C | 65~115°C |
| 70±5°C | 40~65°C | 130±5°C | 70~120°C |
| 75±5°C | 40~65°C | 135±5°C | 70~125°C |
| 80±5°C | 45~70°C | 140±5°C | 75~130°C |
| 85±5°C | 45~75°C | 145±5°C | 75~135°C |
| 90±5°C | 50~80°C | 150±5°C | 80~140°C |
| 95±5°C | 50~85°C | 155±5°C | 80~145°C |
| 100±5°C | 55~90°C | | |
- The specification can also be manufactured as request.
- Reset temperature lists only for reference.
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AMT-A and AMT-C thermal protector’s drawing.
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Electric Ovens Temperature Control Switch Custom Design Acceptable Images
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