125V 16A 17AM thermal protector / thermal cut out switch / motor circuit protection with single soli

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125V 16A 17AM thermal protector / thermal cut out switch / motor circuit protection with single solid lead wire





17AM-D is a thermally operated snap-action device which delivers the over heat protection with advanced structure, high contact capacity and long cycle life. The operating principle of the 17AM-D is both simple and effective. At the heart of the proctor is a bimetal snap–action disc. When the temperature of this disc reaches its pre-calibrated temperature it snaps open, resulting in an open circuit. This temperature is reached during a fault condition, caused by either an increase in ambient temperature, an increase in current flowing through the discs, or a combination of both. After the 17AM-D breaks the circuit, the system cools and the 17AM-D automatically resets, allowing power to be restored to the circuit.





   Normally close, open on temperature rise, automatic reset

Contact capacity

125Vac/16A, 250Vac/8A 600Vac/4A  24Vdc/20A

Cycles life


Open temperature

50°C to 160°C in increments of 5°C

Temperature Tolerance


Differential Temperature

depending on open temperature


High-seal and low-seal gasket material available

Contact resistance

≤100 mW   

Insulation resistance

The resistance between the leads and insulation sleeve is >100 M with 500 VDC at 25 °C.





  • Lightings
  • Battery packs and battery charger output
  • Shaded pole motors
  • Fluorescent lighting ballasts
  • Washers and dryers  
  • Dishwashers
  • Transformers
  • Automotive accessory motors
  • PC boards
  • ………and more.



Competitive Advantage


1. The strongest Chinese manufacturer, TS16949 and ISO14001 recognized.

2. Compact, miniature size.

3. UL,VDE,CE CQC Approved.

4. Individually temperature checked on modern, custom-designed equipments from Japan.

5. Snap–action disc

6. Gasketed steel case suitable for most impregnation processes

7. Professional solutions with wide selection of leads and insulating sleeves

8. Bimetal discs carry circuit current, so it is current and temperature double sensitivity for maximum design flexibility and application



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Ms. Wendy zhang (Export Supervisor)
Tel: 86-519-85920008
Mobile: 86-15961286088
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Contact Method
Jiangsu ChangSheng Electric Appliance Co.,Ltd
Xinhua Cun, Chunjiang Town, New-north District, Changzhou, Jiangsu, China (Mainland) / 213000
Fax: 86-519-85920222
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