18AM series thermal protectors are upgraded model type, which are produced by automatic production line and inspected by auto-temperature device. They are widely used to provide effective and reliable safety protection to motors and prevent motors from damage due to overheating. These series thermal protectors are widely applied in the industrial motor under 1HP, such as transformers, power tool, automobile, rectifiers, electro-thermal appliances, etc. With its accurate temperature control, it has double protection of current and temperature.
Temperature specification
Open temperature: 50~150±5ºC, one gear per 5ºC
Reset temperature: it is 2/3 of standard opening temperature or specified by customers. The tolerance is 15ºC.
Contact capacity
They are applicable for more than 5000 cycles under following condition.
| Voltage | 24V-DC | 125V-AC | 250V-AC |
| Current | 10A | 10A | 5A |
Information needed for thermal protector inquiry
It will be better if customer could send us detailed drawing including below information.
1. Thermal protector dimension: length, height, width, tolerance, lead wire length.
2. Thermal protector open temperature
3. Thermal protector recovery temperature
4. Thermal protector applications
5. Required quantity
6. Other technical requirement.
Motor automatic thermal protective switch
