Functional Devices TR50VA003 Transformer Common Questions Is the 667353R

Common Questions Is the 667353R compatible with my older furnace

Enhanced Protection: Integrated internal fuse protects downstream control components from electrical faults

Designed for heavy-duty commercial and residential environments

which may cause premature spring failure or internal corrosion

Stable Power Output: Provides a consistent 19VA rating at 50/60 Hz to prevent control board issues and voltage drops

Functional Devices TR50VA003 Transformer Common Questions Is the 667353RThe Functional Devices TR50VA003 is a professional grade 50VA control transformer designed for demanding building automation and HVACR applications. This step down transformer features a flexible 240 208Vac primary voltage input and a stable 24Vac secondary voltage output, making it a versatile choice for powering 24V control circuits, sensors, and relays. Built with a split bobbin construction for superior isolation and reliability, this unit