Overview
The General Electric 6VAF343003B-A2 is a 3 HP AF-300B series AC variable frequency drive designed for precise motor speed and torque control in industrial automation. Operating on 460V AC three-phase input with 5.8A input current, this drive combines compact architecture with proven PWM vector control technology. The AF-300B series has established itself as a reliable workhorse for general-purpose industrial motor control, supporting both 50 Hz and 60 Hz input frequency.
Key Features
- PWM Vector Control: Delivers stable torque and smooth speed regulation across a wide frequency range
- Wide Output Frequency Range: Supports motor operation from 0.2 to 400 Hz for flexible speed and load handling
- 150% Overload Capability: Handles short-duration load surges up to one minute for transient peak demands
- Graphic Display Interface: 8-key keypad with digital monitoring of current, frequency, volts, and RPM
- Compact Frame Design: Three-phase integration with minimal footprint for space-constrained installations
- Dual Power Support: Compatible with both 50 Hz and 60 Hz input frequency standards
Technical Specifications
- Power Rating: 3 HP (2.2 kW)
- Input Voltage: 460V AC ±10%
- Input Frequency: 50/60 Hz
- Input Current: 5.8A
- Output Voltage: 0–480V AC
- Output Frequency: 0.2–400 Hz
- Control Method: PWM (Pulse Width Modulation) Vector Control
- Phase Configuration: 3-phase input / 3-phase output
- Enclosure Type: NEMA Type 1 (General Purpose)
- Display: Graphic display with 8 dual-function keys
- Manual Reference: GEK-85715
Typical Applications
The General Electric 6VAF343003B-A2 is well-suited for:
- Centrifugal and positive displacement pump systems requiring variable flow control
- HVAC fan and blower applications with dynamic speed adjustment
- Material handling conveyors and transfer systems
- Industrial compressor and air handling units
- Textile machinery and process automation requiring stable torque delivery
- General-purpose industrial machinery where energy efficiency and load matching are priorities
Compatibility & Replacements
Compatible With
- 3-phase AC induction motors, 3 HP rated
- Standard 460V AC three-phase industrial power distribution systems
- 50 Hz and 60 Hz line frequency networks
- Control systems requiring 0–10V DC or 4–20 mA analog command signals
- Industrial automation control cabinets and enclosures (NEMA Type 1)
Replaces / Drop-In Replacement For
- GE AF-300B series 3 HP units with matching 460V AC rating
- Comparable Fuji Electric AF-300B 3 HP drives (verify motor compatibility before ordering)
Works With
- Analog signal inputs (0–10V command, 4–20 mA feedback)
- Digital I/O terminals for run/stop and alarm signaling
- Stand-alone operation or integrated into PLC-based automation systems
- SCADA and HMI platforms via relay outputs and status monitoring














