ALCO PS3-AF1 Pressure Switch, HNS 2.5/4 bar Adjustable Differential, SPDT, High/Low Pressure, Refrigeration/HVAC, PCN 0713238 (Emerson)

ALCO PS3-AF1 Pressure Switch - HNS 2.5/4 bar Adjustable Differential, SPDT (PCN 0713238)

The ALCO PS3-AF1 pressure switch, identified by PCN 0713238, is a critical control component specifically engineered for precise high and low-pressure monitoring within demanding refrigeration, air conditioning, and HVAC-R systems. This model is adept at managing pressure differentials, featuring an adjustable range of 2.5 to 4 bar. This wide differential range makes it particularly suitable for applications requiring distinct high- and low-pressure cut-outs, crucial for system protection and efficient operation.

The "HNS" designation often indicates its suitability for general refrigeration applications, compatible with common refrigerants. Equipped with a Single Pole Double Throw (SPDT) contact configuration, the PS3-AF1 offers flexible electrical switching capabilities. This enables reliable activation or deactivation of associated system elements like compressor motors, condenser fans, or crucial alarm systems when detected pressures fall outside the predefined safe parameters, safeguarding the equipment from damage due to abnormal pressure conditions. Designed for durability and consistent performance, the ALCO PS3-AF1 ensures reliable operation across a broad range of environmental conditions. Its meticulous engineering makes it an indispensable asset for optimizing system efficiency, ensuring operational stability, and preserving the longevity of vital equipment in a wide array of commercial and industrial applications.

Key Features:

• Part Number (PCN): 0713238
• Model Series: PS3
• Configuration: AF1 (Specific internal configuration optimized for high/low-pressure detection)
• Type: Adjustable Differential Pressure Switch (HNS designated for broader refrigeration compatibility)
• Adjustable Differential Pressure: 2.5/4 bar
• Contact Type: SPDT (Single Pole, Double Throw)
• Application: Primarily for high/low-pressure cut-out and control, critical for system protection in refrigeration, air conditioning, and heat pump systems. Suitable for various refrigerants.
• Function: Provides precise pressure regulation and reliable system control, responding to pressure changes to manage system operations and prevent over-pressure or under-pressure conditions.

Manufacturer Information:

ALCO (An Emerson Brand) ALCO is an internationally recognized and highly respected brand under Emerson's extensive Commercial & Residential Solutions division. It is globally acclaimed for its specialized expertise in the development and manufacture of critical components designed for sophisticated refrigeration, air conditioning, and comprehensive HVAC-R systems. With a venerable heritage that spans many decades, ALCO has cemented its position as a leading innovator and a profoundly trusted supplier. The brand offers an extensive portfolio comprising high-quality flow controls, meticulously engineered mechanical and electronic expansion valves, and a diverse range of essential control components, which include advanced pressure switches and highly precise thermostats. ALCO products are distinguished by their rigorous design for unparalleled precision, unwavering reliability, and optimal energy efficiency. They play a pivotal role in achieving peak system performance and ensuring crucial safety across a broad spectrum of commercial and industrial refrigeration applications, as well as in residential and commercial air conditioning sectors worldwide. ALCO components are fundamental to the effective operation, extended lifespan, and sustainable performance of complex fluid handling systems globally.