Overview
The SAF Drives FS2-12-2/4 is a field regulator DC motor drive controller designed to deliver controlled DC current output for industrial motion control applications. This unit accepts 480V single-phase AC input and outputs 0–380V DC at 12A, making it suitable for precise speed and torque regulation of DC motors with field coil control.
Key Features
- Single-phase 480V AC input with 0–380V DC adjustable output
- 12A maximum output current for reliable field control
- Engineered for inductive motor field loads
- Enables speed control with maintained torque at lower operating speeds
- Supports load sharing in multi-motor applications
- North American industrial manufacturing standard
Technical Specifications
Below are the verified specifications for the FS2-12-2/4 motor drive controller:
| Input Voltage | 480V AC, 50/60 Hz, single-phase |
| Output Voltage Range | 0–380V DC (adjustable) |
| Output Current | 12A maximum |
| Drive Type | DC Motor Field Regulator |
| Series | FS2 |
| Manufacturer | SAF Drives Inc. |
| Origin | Canada |
| Application | DC Motor Speed & Torque Control |
Typical Applications
- DC motor speed regulation in conveyor and material handling systems
- Field control for constant horsepower motor applications
- Load sharing and multi-motor synchronization
- Tension and torque control in unwinding and winding machines
- Motor protection via field economy and thermal management
- Industrial automation and process control systems requiring precise speed adjustment
Compatibility & Replacements
Compatible With
- DC motors with externally regulated field coils
- Industrial DC motor systems requiring speed control
- Three-phase and single-phase power distribution systems at 480V
- Field regulator-based motor control architectures
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The FS2-12-2/4 is part of the SAF Drives FS2 series; related models in this series include the FS2-25-4 (25A output) and FS2-12-1/2 variants.
Works With
- Standard industrial 480V power infrastructure
- DC motor field control circuits
- Manual potentiometer-based speed adjustment
- Industrial motor protection and overload systems
