CÔNG TẮC ÁP SUẤT INSTRUMATE MODEL 221

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