Danfoss Pressure switch kp1

The Danfoss KP1 Pressure Switch is a reliable and proven control and safety device designed for use in refrigeration and air conditioning systems. It provides effective protection against abnormally low suction pressure and excessively high discharge pressure, helping to safeguard compressors and system components from damage. Thanks to its robust mechanical design and precise switching performance, the KP1 is widely used for both system protection and automatic control in HVAC and refrigeration applications.

The KP1 pressure switch can be connected directly to single‑phase AC motors up to approximately 2 kW, or installed within the control circuits of DC motors and larger AC motors. It is equipped with a single‑pole double‑throw (SPDT) switch, allowing flexible control and safety logic. The switching action is determined by the preset pressure setting and the actual pressure applied at the connection port. To suit different installation environments, the Danfoss KP1 is available with IP30, IP44, and IP55 enclosure protection.

Features

• Designed for refrigeration and air conditioning systems
• Protects against low suction pressure and high discharge pressure
• Suitable for compressor and fan start/stop control
• Direct connection to single‑phase AC motors up to 2 kW
• Compatible with DC motors and large AC motor control circuits
• SPDT (Single‑Pole Double‑Throw) contact for flexible control logic
• Accurate and stable pressure‑based switching performance
• Mechanical design ensures long service life and reliable operation
• Easy installation and adjustment

Applications

The Danfoss KP1 Pressure Switch is commonly used in:

• Refrigeration systems for compressor protection
• Air conditioning systems to monitor suction and discharge pressure
• Compressor control in commercial and industrial cooling systems
• Air‑cooled condensers for fan start and stop control
• Cold storage and cold rooms
• HVAC systems in commercial buildings
• Industrial refrigeration units
• Process cooling applications