Natural AutoWenzhou Natural Automation Equipmentmation

> a wide range of adjustments
> size down
> track fastening
> high switching performance

NTL 79 thermostat: normally closed/NC contact (red) for switching heaters.
As the temperature rises, the contacts open.
NTL 80 thermostat: normally on/off contacts (blue) to switch filter fans, switches
Heating, cooling or temperature-raising signaling device. As the temperature increases, the contacts close.