الوصف

*7AME+PTC is the assembly of a *7AME protector and a heating PTC. it has power cut and self hold functions, which makes it safer than common auto reset model. It is applicable to the over-heat and over-current protection of vacuum cleaner, blender, mixer,grass cutter and electrical tools.

Special Features
With power protection, delay protection function
More safe and reliable performance
Better suited to abnormal motor protection
Casing seal to prevent insulation paint like substance immersion

Electric Specifications
Refer to model *7AME

Temperature Range and Tolerance
Refer to *7AME temperature code
Operating temperature tolerance:±3℃，±5℃

Casing seal

Certification:
UL&CUL:E*****2

Application:
Vacuum cleaner, Mixer, Grass cutter
Electric tools, Snowplow
Home appliances, heating appliances

Working Principle
*7 AME is connected to PTC in parallel, then  connected to Application in series. When the application is working normally, the current will flow through protector.PTC will not work.

When the applicatuin works abnormally, which causes the ambient temperature exceeds the prescribed value. the protector will open, then , the current  flows through PTC . Since PTC has a very high resistance, the current assigned to the application will be too low to start it.
Meanwhile, the heat generated by PTC will remain the protector open until the power is unplugged.
After the power is unplugged, the ambient temperature will decrease and then the protector will close again.

Contact information:

Lorena
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