The FSK639D Generator Speed Controller is a durable electronic device designed for precise engine speed control in generator applications. It uses advanced closed-loop technology for fast adjustments to load changes and ensures reliable operation with built-in electrical fault protection.

Key Features:

• Output Current: <8A
• Speed Fluctuation: ±0.25%
• Speed Range: 1K-7.5K Hz
• Speed Signal: 0.5-120V RMS
• Droop: 0-5%
• Battery Low Voltage Alarm: <18V
• Vibration Resistance: <100Hz, 2G
• Temperature Range: -30°C to +70°C
• Speed Fine Tuning: ±200Hz