Do you need to protect your refrigeration system from excessively low suction pressure or excessively high discharge pressure with economic prices?Switch-Mate 221 is the answer. They are reliable to start or stop your refrigeration compressors or fans on air-cooled systems. They are easy to set up followed with the instruction manual. InstruMate model 221 offers various application possibilities with non-corrosive media like oil, water and air.
Applications
* Refrigeration and air conditioning systems
* Stop or start of fans in air-cooled condensers
* With control circuit of DC motors or large AC motors
* Connect directly to a single-phase AC motor (Max. 2kw)
* Non-corrosive media like oil, water and air
Special Features
* Snap-action SPDT contacts
* Compact design
* Fully welded bellows
* Promised switch accuracy ≤ 2%
* Adjustable on site
Specification
Ambient Temperature: -40…+65 °C
Media Temperature Inside the Pressure Switch: -25…+65 °C
Rated Impulse Voltage: 4kV
Short Circuit Protection Fuse: 16A
Insulation: 400V
Connection: Free cutting steel, Nickel plated