3/4 HP 1425 / 1725 RPM 100% Pure Copper Evaporative Cooler Duty AC Fan Motor : AFTC-YDK 160-550-4A2

This model returns to the maximum capacity tier for this series, providing a heavy-duty 3/4 HP Evaporative Cooler Duty AC Fan Motor built with 100% Pure Copper windings for high-volume desert cooling systems.

📋 Technical Specifications

Model Number: AFTC-YDK 160-550-4A2 (Faceplate: YDK160-550-4A2)
Motor Architecture: Split-Phase Motor containing 100% Pure Copper windings.
Power Output: 0.550 kW (KW: .55) with a Power Factor of PF: 0.62.
Electrical Parameters: 208V – 230V AC, 50/60 Hz, Single Phase (1 PH), Code P.
Operating Attributes: Class B Insulation (INSUL. CLASS B), continuous time rating (CONT.), and a maximum ambient temperature ceiling of 40°C (AMB 40°C).
Internal Hardware: Uses 6202ZZ model sealed ball bearings.
Origin: Made in China.

⚡ Two-Speed Performance Breakdown

The operational draw and speed metrics adjust depending on which terminal circuit is active:

High Speed Terminal Settings:
- Horsepower Performance: 3/4 HP (Maximum torque configuration).
- Rotational Threshold: 1425 / 1725 RPM
- Current Demands: 6.4 / 5.4 Amps (With matching Service Factor Amperage limits at an S.F. 1.0 rating).
Low Speed Terminal Settings:
- Horsepower Performance: 1/4 HP
- Rotational Threshold: 940 / 1140 RPM
- Current Demands: 3.7 / 3.2 Amps.

🔧 Wiring & Bearing Maintenance Schedules

Wiring Scheme (Right Side Schematic):
- C (Common Line): Core neutral or line return power connection.
- L (Low Speed Line): Low velocity selector terminal pathway.
- H (High Speed Line): High velocity terminal (conforms to fixed direction ROTATION arrow).