The WHITE RODGERS 90-171S1 is a definite purpose contactor designed for use in central air conditioning and heating equipment. It is rated for 25A to 40A and features a low wattage coil for efficient operation. The contactor’s any position mounting capability provides flexibility in installation, while the interchangeable mounting plate simplifies maintenance and replacement. Double break contacts ensure positive make and break performance, enhancing system reliability. Constructed with high-quality electrical-grade thermosetting resin, the contactor operates effectively within a temperature range of -40°F to 150°F. It is U.L. and C.S.A. listed, ensuring compliance with industry standards.