SWT3544 | HIGH PRESS SW OP650# CL500# | Trane

**SWT3544 Trane High-Pressure Switch** The SWT3544 high-pressure switch from Trane is designed for use in refrigeration systems with pressures up to 650 PSI and temperatures up to 500 degrees Fahrenheit. This heavy-duty switch features a brass body and stainless steel internals for durability and corrosion resistance. The SWT3544 is a two-pole, double-throw switch with a normally closed contact and a normally open contact. It is factory set to open at 650 PSI and close at 550 PSI, but it can be field-adjusted to operate between 200 and 800 PSI. The SWT3544 is a versatile switch that can be used in a variety of refrigeration applications, including: * Compressors * Condensers * Evaporators * Liquid line receivers * Suction line accumulators Our HVAC supply store provide the products with the best prices and fast shipping!