When controlling outdoor applications in harsh weather conditions, Tempro’s Ag-Rated line of NEMA 4X Controllers is your ideal solution. These thermostats excel in outdoor environments, ensuring your equipment remains functional and protected against the elements. Click here to purchase today!

What Makes NEMA 4X Controllers Stand Out?

NEMA 4X is a robust enclosure rating that signifies these controllers withstand extreme weather conditions. These enclosures are weatherproof and suitable for outdoor use, making them ideal for various applications:

Hot and Dusty Environments

Whether you’re in a dry desert or a windy area, these controllers handle the challenges of hot, dusty locations prone to wind abrasion.

Rainy and Damp Locations

In regions with heavy rainfall, the NEMA 4X rating ensures that the controllers remain fully operational, even in damp conditions.

Cold and Icy Climates

For areas experiencing sleet and ice storms, these controllers provide reliable performance in cold environments.

NEMA 4X Controllers for Outdoor Applications

TP520 Industrial Line Voltage Control

Our Ag-Rated controllers are not limited to agricultural applications. They are also suitable for de-icer systems and other outdoor applications that demand robust and weather-resistant control solutions. Whether you are on the dry West Coast or the humid East Coast, these controllers handle the challenges of your location.

Key Features of Our NEMA 4X Controllers

  • Durable Construction: Our controllers last, with rugged enclosures designed to withstand harsh conditions.
  • Weatherproof Design: NEMA 4X rating ensures protection against water, dust, and environmental hazards.
  • Reliable Performance: Count on our controllers to maintain precise control of your equipment, regardless of the weather.
  • Wide Range of Applications: Suitable for a variety of outdoor applications, including agriculture and de-icing systems.

Why Choose Tempro?

When you need reliable control solutions for outdoor applications, our NEMA 4X controllers are the go-to choice. Their durability, weatherproof design, and versatility ensure your equipment operates flawlessly year-round, no matter the climate or location.

Talk to a product specialist today!

Thermostats & Guards

Tempro offers line voltage thermostats & guards commonly found in commercial, industrial and agricultural settings.

Custom Options

Variety of custom options available in both thermostats & guards, such as, temperature ranges, materials, size & private branding.


Tempro products meet NEMA, UL, cUL & NEC 457 Ag-ratings.

High Quality

We take pride in quality control & reliable operation of our components. Every switch is individually tested before it leaves the plant.

Stocked in the U.S.A.

Products are designed & shipped from our facilities in Eau Claire, WI to clients across the globe.