Product Description
The Mars limit switch model 39029 operates on temperature rise and is suitable for HVAC applications. This device functions at a voltage of 120/240 V and accommodates an amperage rating of 5 to 10 A. The switch closes at 210 degrees Fahrenheit and opens at 250 degrees Fahrenheit. Designed for ease of installation, each thermostat has a built-in oval flange to align with commonly used mounting options.
- Open on temperature rise
- Auto-reset feature
- CSA Certified, UL Listed
Product Highlights
This limit switch is ideal for HVAC professionals needing reliable temperature control.
Product Information
Standard Information
- Manufacturer: Mars
- Voltage Rating: 120/240 V
Technical Specifications
- Amperage Rating: 5 – 10 A
- Temperature Range: 210 degrees Fahrenheit Close, 250 degrees Fahrenheit Open
- Type: Open On Temperature Rise
- Series: 390




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