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Home / Products / Manual Reset Thermostat(Safety limiter) / WHD-A (20A) Manual Reset Temperature Switch Thermostat

WHD-A (20A) Manual Reset Temperature Switch Thermostat

The WHD-A (20A) manual reset temperature switch thermostat is a crucial device for temperature control. Designed for accurate temperature regulation, it has a rated current of 20A. It functions by monitoring the temperature and interrupting the electrical circuit when the preset temperature is exceeded. To restart the device, a manual reset is required, ensuring that the device can only be reset after the temperature has returned to a safe level and the user has consciously decided to restart it. It is commonly used in various heating systems and industrial equipment to prevent overheating and protect the equipment from temperature-related damage.

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Temperature range -35-35°C (any temperature range)
Bubble diameter 6mm
Bubble length Dependent on temperature
Maxum ambient operating temperature T150
Capillary length 1500mm
On/off temperature difference 3-5°C
Main applications For fresh-keeping cabinets, cold storage, ice makers, cold drink dispensers, etc.
Rated current 20A
Rated voltage 250V
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About Us
Wenzhou Leheng Technology Co., Ltd.

Company Advantages

Experienced Manufacturer:

Established in 2012, we specialize in the development and manufacturing of thermostats, temperature limiters, rocker switches, and PCB thermostats.

Automated Production:

Standardized production lines and self-developed automated equipment support efficient assembly, testing, and consistent manufacturing quality.

Stable Production Capacity:

With monthly production exceeding 1 million units and annual output exceeding 12 million units, we support stable supply for B2B orders.

Global Supply:

Our products are exported to more than 80 countries and regions, supported by professional sales and order service.

Certificate Of Honor

We maintain strict quality control and hold certifications including UL, TUV, CE, CQC, KC, RoHS, REACH, SGS, ISO 9001, and ISO 14001. We hold multiple patents, and have participated in the development of national industry standards.
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