Danfoss KPS80 060L312866 Pressure Switch and Thermostat

Product Overview

The Danfoss KPS80 (060L312866) is a ruggedized industrial temperature switch designed for demanding process control and monitoring applications. As part of the KPS series, this thermostat is engineered to maintain high levels of operational stability in harsh industrial environments, including power plants, marine installations, and heavy processing facilities. It provides reliable switching performance with an adjustable temperature setting range of 70 to 120 deg C, ensuring that automated systems remain within safe thermal operating limits and preventing critical equipment failure or downtime.

Technical Configuration

The KPS80 is built for durability, featuring an robust mechanical architecture that ensures accuracy under intense vibration and temperature conditions:

• Sensing Mechanism: Employs a liquid-filled capillary tube system with a length of 2 meters, providing remote sensing capabilities for installations where the switch cannot be mounted directly on the process pipe.
• Control Range: Temperature settings are adjustable between 70 deg C and 120 deg C.
• Differential: Offers a mechanically adjustable differential between 4.5 deg C and 18 deg C, allowing for precise control of the switching hysteresis.
• Thermal Endurance: Capable of withstanding a maximum sensor temperature of 220 deg C, offering a significant safety margin for process spikes.
• Accessory Compatibility: Compatible with standard Danfoss sensor pockets (thermowells) in lengths of 65 mm, 75 mm, 110 mm, and 160 mm to suit various pipe diameters and wall thicknesses.

Technical Specifications

Frequently Asked Questions

Can I install the KPS80 switch in a location with high mechanical vibration?

Yes, the KPS series is specifically designed with a high level of vibration resistance, making it suitable for mounting on engines, compressors, and near heavy rotating machinery.

How do I adjust the mechanical differential?

The differential is adjusted via the internal dial mechanism. Increasing the differential increases the gap between the cut-in and cut-out temperatures, which is useful for preventing rapid cycling of the controlled equipment.

Is the sensor pocket included with this part number?

No, the sensor pocket (thermowell) is considered an accessory and should be ordered separately based on the specific pipe dimensions and mounting requirements of your process.

Engineering Guidelines and Installation Best Practices

• Capillary Handling: The 2-meter capillary tube contains the temperature-sensitive liquid. Avoid kinking, sharp bending, or crushing the tube, as any damage to the capillary will render the thermostat permanently inaccurate or inoperable.
• Thermal Contact: When installing the sensor into a pocket, use an appropriate thermal conducting paste to ensure efficient heat transfer from the process media to the sensor bulb. This reduces response time and improves the accuracy of the switching operation.
• Installation Location: Mount the switch in a location shielded from direct, extreme weather elements. Ensure the orientation of the switch does not place undue tension on the capillary tube. For marine or corrosive applications, ensure the housing seal is tightened to maintain the integrity of the internal switching contacts.