Overview
The Sumitomo AF3004-2A2-U is a three-phase AC servo drive rated at 3 horsepower with 460V input, designed for reliable motor control in industrial automation and manufacturing environments. This unit delivers proportional speed and torque control for variable-load applications including machinery actuation, pump/fan drives, and conveyor systems. The AF3004-2A2-U operates at 0–400 Hz output frequency, providing smooth acceleration and deceleration profiles essential for sensitive process control.
Key Features
- 3 HP motor drive capacity with 460V, three-phase input
- 0–400 Hz adjustable output frequency for precise speed control
- Compact form factor suitable for retrofit and panel integration
- Three-phase 460V output matching standard industrial motor ratings
- Integral thermal and overload protection
- Used condition, fully tested and verified operational
Technical Specifications
| Model | AF3004-2A2-U |
| Manufacturer | Sumitomo Heavy Industries |
| Drive Type | Variable Frequency Drive (VFD) / Servo Drive |
| Input Voltage | 3-Phase, 380–460V AC |
| Output Voltage | 3-Phase, 460V AC |
| Horsepower Rating | 3 HP |
| Output Frequency Range | 0–400 Hz |
| Condition | Used – Fully Tested & Operational |
| Series | AF3000 Series |
| Protection Features | Thermal Overload, Short-Circuit Protection |
Typical Applications
- Pump and fan motor speed control
- Conveyor and material handling drive systems
- Spindle and machine tool automation
- Industrial machinery requiring variable torque/speed profiles
- Process control and HVAC applications
- Retrofit replacements in existing control panels
Compatibility & Replacements
Compatible With
- Three-phase AC induction motors rated 460V, ≤3 HP
- Standard industrial control circuits and PLC I/O
- Analog command inputs (potentiometer, 0–10V, 4–20mA)
- Digital enable/run/stop signals
- Standard industrial electrical enclosures and panel mounting
Replaces / Drop-In Replacement For
- AF3004 series variants (AF3004-1A5, AF3004-3A7, etc.)
- Other Sumitomo AF3000-series 3HP 460V drives
- Generic three-phase 3HP 460V variable frequency drives of similar form factor
Works With
- Standard analog and digital control networks (hardwired control, relay logic)
- AC motor feedback systems (optional encoder, resolver compatibility)
- Industrial automation controller platforms via analog/digital I/O
- Energy management and monitoring systems requiring power monitoring capabilities










