GE AF-300 P11 AC variable frequency drive

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GE AF-300 P11

GE Industrial Solutions AF-300 P11 is a high-performance AC variable frequency drive (VFD / inverter) designed for controlling the speed, torque, and operation of three-phase induction motors. It belongs to the GE AF-300 series and was commonly used in industrial motor control applications such as pumps, fans, conveyors, compressors, and process machinery.

Product Description

The GE AF-300 P11 provides adjustable-speed motor control using PWM (Pulse Width Modulation) technology. It supports multiple control modes, including V/F control and torque vector control, allowing stable motor operation under different load conditions.

Main Features

• Manufacturer: GE / GE Fuji Drives
• Product Type: AC Drive / Variable Frequency Drive (VFD)
• Series: AF-300 P11
• Application: Three-phase induction motor speed control
• Input Voltage Options:
  • 230 VAC, 3-phase, 50/60 Hz
  • 460 VAC, 3-phase, 50/60 Hz
• Control Technology: Sinusoidal PWM control
• Control Modes:
  • V/F control
  • Torque vector control
  • Optional PG feedback vector control
• Communication: RS-485 Modbus RTU supported
• Protection Functions:
  • Overcurrent protection
  • Overvoltage protection
  • Overload protection
  • Motor thermal protection
  • Fault monitoring

Technical Description

The AF-300 P11 inverter converts fixed-frequency AC power into adjustable-frequency output power to regulate motor speed and torque. It provides flexible parameter configuration, digital and analog I/O control, and optional communication interfaces for integration into industrial automation systems.

Typical functions include:

• Adjustable acceleration and deceleration time
• Multiple frequency reference inputs
• PID control capability
• Automatic restart functions
• Parameter copy and monitoring functions
• External braking resistor support

Applications

GE AF-300 P11 drives are widely applied in:

• Industrial pumps and water systems
• HVAC fans and ventilation systems
• Conveyors and material handling equipment
• Compressors
• Machine tools
• Packaging machinery
• Production line automation equipment

Conclusion

The GE AF-300 P11 is a reliable industrial AC drive designed for efficient motor control and energy-saving operation. With flexible control modes, robust protection functions, and industrial communication capability, it remains suitable for replacement, maintenance, and retrofit applications in automation systems.