CS3,R744 , Pressure Controller

Alco Controls safety pressure switches are specifically engineered for R744 applications, offering fixed-point settings to ensure safe operation within refrigeration systems. Serving as pressure limiters, pressure cut-offs, and safety pressure cut-offs, these switches provide comprehensive pressure management functionalities. Compatible exclusively with R744 refrigerant, they offer a measurement range from 60 to 140 bar and can withstand maximum operating pressures of 90/140 bar. Operating across a medium temperature range from -40°C to +150°C, they deliver reliable performance in a wide range of environments. These switches feature precise switching and repeatability, facilitated by snap-action contacts, ensuring chatter-free and accurate operation. Contacts are designed as SPDT (single pole double throw), enabling both control function and alarm/status reporting. Additionally, they offer manual reset versions for added flexibility. With the option for direct compressor mounting and adapter compatibility, installation is simplified. The switches also provide IP65 protection when used with PS3-Nxx plugs (according to EN 175301-803 standards), eliminating the need for additional gaskets.