The Trane T08211A Transformer (also known by part numbers TRR00826 and X13550266020) is a reliable low-voltage power supply component designed for commercial HVAC systems. It efficiently steps down 460?575V input to 24V output, supporting critical 24V control circuits in heating and cooling equipment. Its 75VA capacity ensures dependable operation across a wide voltage range and multiple compatible models. Key Features Step-down transformer from 460?575V to 24V 75VA power rating for stable control circuit support Dual frequency operation: 50/60Hz Built to meet demanding commercial HVAC system requirements Used widely in Trane CGAF, CGAFC, VCE, and RTW series units Specifications Model Number: T08211A Alternate Part Numbers: TRR00826, X13550266020 Input Voltage: 460?575V Output Voltage: 24V Frequency: 50/60Hz Power Rating: 75 VA Application: HVAC control power Compatible Models VCEF08000L0DD96B00000F4WWD0401 VCESERIES CGAFC25EAEA10000E0H000P00T0W00 CGAFC40EAKA1000DF0H00000000000 CGAFC60FAKA00000F0000000000000 CGAFC504AEA100CDE0000N000T0W00 CGAFC604AHA1000000H00N0Q000W00 CGAFC304AKA100CDE0H00000000W00 CGAFC404AEA100CDE0000N000T0W00 CGAFC204AHE1A00DE0H00000000W00 Why Choose This Item Designed specifically for high-voltage commercial HVAC systems, this transformer ensures safe, consistent, and regulated low-voltage output, which is essential for protecting sensitive control components. It is Trane OEM-certified, offering a reliable replacement part for a wide range of rooftop and packaged systems, making it an ideal choice for service technicians and facility managers.