SANHUA PS15AAL-S51 is a dual pressure switch designed for use in refrigeration and air conditioning systems. This automatic pressure switch efficiently controls both low and high-pressure ranges, protecting systems from excessively low suction pressure and excessively high discharge pressure, ensuring reliable and safe operation.

Key Features:

• Dual pressure range: low pressure from 0.5 to 7 bar and high pressure from 6 to 32 bar, suitable for various industrial systems.
• Automatic operation: the switch automatically engages and disengages according to the set pressure limits, ensuring continuous system monitoring.
• Reliability and durability: high-quality components guarantee a long service life even under intensive use.
• Universal application: suitable for refrigeration, air conditioning, and other hydraulic systems.
• Compact design: easy to install, does not occupy much space in the system.

Technical Specifications:

• Manufacturer: SANHUA
• Model: PS15AAL-S51
• Low-pressure range: 0.5–7 bar
• High-pressure range: 6–32 bar
• Low-pressure differential: adjustable 0.5–5 bar
• High-pressure differential: adjustable 3–15 bar
• Operation type: automatic reset
• Contact type: SPDT (single pole, double throw)
• Electrical connection: screw terminal connections
• Electrical load: 16 A, 240 V AC
• Mechanical connection: external thread 7/16-20 UNF
• Operating temperature: from -30 °C to +65 °C
• Protection class: IP44
• Certifications: CE, PED IV, UL