Pressure Switches CS3 Series For R744 Systems
Pressure Switches CS3 Series For R744 Systems
AACHEN, GERMANY, November 2, 2015 – Emerson Climate Technologies, a business of Emerson (NYSE: EMR), releases a new range of pressure switches for R744 (CO2) applications with fixed switch point settings.
The distinct features of the pressure switches make it the ideal product in today’s market for use in CO2 systems.
The CS3 acts as a protection device for compressors in situations where the system pressure exceeds the desired limits. The pressure switches are available in both automatic and manual reset versions. The automatic reset versions offer a narrow differential between cut-out and cut-in, reducing the idle time of the compressor in case of sudden pressure increase. The contacts are designed as single pole double throw for control/alarm function and status reporting. Moreover, the pressure switches feature a 2 million cycle reliability. Customer-specific versions with fixed factory cut-out settings can be made available from 40 bar up to 140 bar. All versions are certified by Notified Body and comply with highest hazard category of pressure equipment directive as safety protection device.
With the addition of this new pressure switch range, Emerson Climate Technologies enhances its offering in the segment of R744 applications.
Pressure Switch CS3
Pressure Switch CS3 
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About Emerson
Emerson (NYSE: EMR), based in St. Louis, Missouri (USA), is a global leader in bringing technology and engineering together to provide innovative solutions for customers in industrial, commercial, and consumer markets around the world. The company is comprised of five business segments: Process Management, Industrial Automation, Network Power, Climate Technologies, and Commercial & Residential Solutions. Sales in fiscal 2014 were $24.5 billion. For more information, visit
About Emerson Climate Technologies
Emerson Climate Technologies, a business of Emerson, is the world’s leading provider of heating, ventilation, air conditioning and refrigeration solutions for residential, industrial and commercial applications. The group combines best-in-class technology with proven engineering, design, distribution, educational and monitoring services to provide customized, integrated climate control solutions for customers worldwide. Emerson Climate Technologies’ innovative solutions, which include industry-leading brands such as Copeland Scroll™, Dixell™ and Alco Controls™, improve human comfort, safeguard food and protect the environment. For more information, visit
Petra Schreiber
Communication Director
Emerson Climate Technologies GmbH,
Pascalstr. 65, 52076 Aachen, Germany
T: +49 (0) 2408 929 0
F: +49 (0) 2408 929 570​