Regal Rexnord Century Motors 381A Multi-Horsepower Electric Motor 1/10-1/5-1/4 HP 208-230V

The Regal Rexnord Century Motors 381A is a versatile multi-horsepower single-phase electric motor designed for HVAC and light commercial applications. This motor features three selectable horsepower ratings—1/10, 1/5 (15), and 1/4 (20) HP—providing flexibility for various equipment requirements without maintaining multiple motor inventories.

Key Specifications:

• Horsepower: Multi-speed 1/10, 1/5, 1/4 HP (selectable via wiring configuration)
• Voltage: 208-230V single-phase
• Speed: 1075 RPM at 60Hz
• Rotation: Reversible for clockwise or counterclockwise operation
• Duty: Continuous operation rated
• Insulation Class: B or F (high temperature protection)
• Enclosure: Open drip-proof (ODP) or sleeve bearing design

Features and Benefits:

• Multiple horsepower selections reduce inventory requirements and simplify replacement
• 1075 RPM speed ideal for direct-drive blowers and fans
• Dual voltage capability (208-230V) ensures compatibility with various power systems
• Reversible rotation allows field-configured airflow direction
• Century Motors quality construction provides reliable long-term performance
• Standard mounting dimensions for easy retrofit into existing equipment

This motor is commonly used as a replacement for furnace blowers, air handlers, and other HVAC equipment requiring a reliable, field-configurable motor solution. The multi-horsepower design makes it an excellent choice for service technicians who need a universal replacement motor for multiple applications.