Trane SWT3277 Pressure Switch 321142-301 For contractors managing refrigeration rack

For contractors managing refrigeration rack systems or large-scale commercial chillers

High Capacity Flow: Rated for 300

Field Adaptability: Features reversible rotation to eliminate the need for stocking multiple single-direction motor variants

Common Questions: How do I test if the 940-0150-31 current relay is defective

Trane SWT3277 Pressure Switch 321142-301 For contractors managing refrigeration rackFor high pressure protection in commercial and industrial HVACR systems, the Trane SWT3277 Pressure Switch (also identified as Trane SWT03277) is a critical SPST high pressure switch designed for overpressure protection. This single pole, single throw component is engineered to maintain system integrity by monitoring refrigerant line pressures. The switch features 650 PSI open and 500 PSI close settings, providing a precise pressure switch cut out to