The White Rodgers 3F11-140 is a single-pole, single-throw (SPST) snap disc fan control designed for dependable thermal management in heating systems. This temperature-sensitive switch closes on temperature rise, activating at 133°F (±8°F), making it ideal for energizing blowers or fans when heat builds up.
Key Specifications:
- Temperature Range: Closes at 133°F ±8°F
- Action Type: SPST, Close on rise
- Mounting: Surface mount with a 3/4" bimetal disc
- Electrical Rating:
- 120V AC: 25.0A resistive / 5.8A full load / 34.8A locked rotor
- 240V AC: 25.0A resistive / 4.9A full load / 29.4A locked rotor
- Terminals: 1/4" quick-connect male terminals
- Style: Automatic reset, no manual intervention required

