About SS2-021-0.75K Shihlin AC Drive 220V
The SS2-021-0.75K is a 750W (1 HP) vector control variable frequency drive from Shihlin Electric's
SS2 Series. It is designed for single-phase 220V input and provides precise control for three-phase induction motors in applications like conveyors, packaging machines, and grinders. [
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Key Specifications
- Rated Power: 0.75 kW (1 HP).
- Input Voltage: Single-phase 200V240V AC.
- Output Current: 4.5A to 5A.
- Output Frequency: 0.1 Hz to 650 Hz.
- Control Method: SVPWM, V/F control, and general flux vector control.
- Overload Capacity: 150% for 60 seconds; 200% for 0.5 seconds. [1, 2, 3, 4]
Physical Dimensions (Inches)
Converted from standard metric specifications for panel mounting: [
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- Width: ~3.15 inches (80 mm)
- Height: ~6.85 inches (174 mm)
- Depth: ~5.28 inches (134 mm)
- Weight: ~2.65 lbs (1.2 kg) [1, 2, 4]
Primary Functions
- Vector Control: Uses a 32-bit RISC CPU for high-speed computation, ensuring accurate motor response to load changes.
- Smooth Starting: Provides a high starting torque of 150% at 3Hz for reliable motor startup under load.
- Advanced Features: Includes built-in PID control, multi-speed settings, and RS-485 communication supporting the MODBUS protocol.
- Protection: Safeguards against overcurrent, overvoltage, undervoltage, and stall prevention