D&M Technology Manufacturing Ltd, is a Thermal Cut-off manufacturing company located in GuanLan Town, BaoAn District in ShenZhen, China.

D&M is engaged in research and development of precision Thermal Cut-offs and provides strong technical support, and use "state of the art" production and test equipment.

Operating Principle Illustrated

D&M supplies the thermal protection needs of computer, monitor, motor, and appliance manufacturers around the world. The Thermal Cut-offs are VDE, CCC, UL, and CSA approved and RoHs compliant. D&M's goal is to provide the customer with the highest quality, on-time delivery, competitive pricing, and experienced technical support.

Rated functional temperature of 240° C.

Range from as low as 72° C open. To maximize product life, we suggest a 30° C mininum differrential between operating ambient temperature at the thermal cutoff (TCO) location and your selected "Rated Functional Temperature".

Rated Functional Temperature is the temperature of the TCO at which is changes state of conductivity vs insulation.