ALCO PS3-A6S Dual Pressure Switch, 11/16 bar 159/232 psig, SPDT, Refrigeration/HVAC, PCN 0713117

ALCO PS3-A6S Dual Pressure Switch - Adjustable SPDT, Refrigeration/HVAC (PCN 0713117)

The ALCO PS3-A6S, identified by PCN 0713117, is a sophisticated and highly versatile dual pressure switch engineered to provide precise control and critical safety monitoring within modern refrigeration and HVAC systems. This model is designed for comprehensive pressure management, featuring a primary setpoint (PS) of 27 bar/390 psig and a secondary trip point (PT) of 30 bar/435 psig. It also offers an adjustable differential range of 11/16 bar (159/232 psig), allowing for fine-tuned cut-out and cut-in pressure limits. This robust functionality ensures effective protection against both dangerously low and excessively high system pressures, safeguarding vital equipment from operational damage. Equipped with a Single Pole Double Throw (SPDT) contact configuration, the PS3-A6S delivers flexible electrical control, enabling the accurate activation or deactivation of various system components, including compressors, condenser fans, or crucial alarm circuits. Its durable construction guarantees consistent performance across a wide ambient temperature range of -40 to 70°C. Proudly manufactured in the Czech Republic, the PS3-A6S adheres to stringent international quality and safety standards (CE and cURus listed), making it an indispensable asset for enhancing overall system efficiency, ensuring paramount operational safety, and significantly extending the service life of equipment in a diverse range of commercial and industrial applications.

Key Features:

• Part Number (PCN): 0713117
• Model Series: PS3
• Configuration: A6S (Specific internal configuration)
• Type: Dual Pressure Switch (Adjustable for high-pressure applications)
• Adjustable Range/Differential: 11/16 bar / 159/232 psig
• High Pressure Setpoint (PS): 27 bar / 390 psig
• High Pressure Trip Point (PT): 30 bar / 435 psig
• Contact Type: SPDT (Single Pole, Double Throw)
• Electrical Ratings: 6 FLA, 36 LRA, 120/240 VAC; 3A @ 230V AC15
• Operating Temperature (TS): -40 to 70°C
• Application: Essential for combined high-side and low-side pressure monitoring, control, and safeguarding in refrigeration, air conditioning, and heat pump systems.
• Function: Provides precise pressure regulation, comprehensive equipment protection, and reliable system control.
• Certifications: CE, cURus
• Manufacturing Origin: Made in Czech Republic

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.