• Model: LTT4011FC

• Manufacturer: Functional Devices, Inc.

• Primary (PRI): 120V / 60Hz

• Secondary (SEC): 24V, 40VA

• Class 2 transformer (for HVAC, thermostat, or control circuits)

• UL Recognized (cURus) safety certification

These transformers are often used in HVAC systems, furnaces, or door access control panels to step down 120V line voltage to 24V control voltage.