The Trane CTR02642 Contactor (also known as W917271890111) is a robust 3-pole electrical contactor designed to handle heavy-duty applications. With a 40 Amp rating and a 120V coil operating at 50/60HZ, it is ideal for ensuring consistent and reliable power switching in commercial HVAC systems. Key Features Genuine Trane OEM part ? ensures compatibility and performance 3-Pole, 40 Amp capacity ? designed for demanding electrical loads 120V coil ? operates at standard HVAC control voltage Durable construction ? long-lasting under commercial use Easy replacement ? ideal for routine maintenance or repairs Specifications Model: CTR02642 Alternate Part Number: W917271890111 Voltage (Coil): 120V, 50/60HZ Amperage: 40A Poles: 3 Application: Power control in HVAC systems Compatible Models RTAC140AU1GNUAFNN1TY1CDNNN6TN10AN0EXN RTAC155AU1DNUAFQN1WY1TDBNN5TN11NN0EXN SCWFU2542ABBU2151200A1030B0EMA00QU2C SCWFU3242ABBU2151250A1030B0EMA00QU2C Why Choose This Item Built for reliability, the Trane CTR02642 contactor is engineered for commercial HVAC systems requiring high electrical load control. Its OEM precision and heavy-duty capacity make it the go-to replacement part for keeping systems running safely and efficiently. Choose this component for trusted Trane performance and peace of mind.