The ESD5570E Speed Control Unit (Governor) is a high-performance electronic device designed for engines requiring sophisticated speed regulation. This model is essentially an enhanced version of the popular ESD5500E, specifically optimized for Normally Closed (N/C) actuators. It is widely recognized for its ability to manage heavy transient loads while maintaining extreme frequency stability, making it a standard choice for large-scale diesel and gas generator sets.
| Feature | Detailed Specification |
| Model Number | ESD5570E |
| Series | ESD5500 Series (High Performance) |
| Operating Voltage | 12V or 24V DC (Dual Voltage Support) |
| Steady State Stability | ±0.25% or Better |
| Speed Range / Governor | 1KHz – 7.5KHz Continuous |
| Max Output Current | 10A (Peak) |
| Input Signal (MPU) | 0.5 – 120 V RMS |
| Speed Drift | < ±1% (Temperature Stability) |
| Starting Fuel Adjustment | 0 – 100% |
| Speed Ramp Time | 1 – 20 Seconds |
| Operating Temperature | -40°C to +85°C |