The ESD5522E Speed Control Unit (Governor) is a high-performance electronic governor designed specifically for engines utilizing Normally Closed (N/C) actuators. It is a premium model within the ESD5500 family, offering the same fast and precise response to transient load changes but with specialized internal circuitry optimized for N/C operation. This makes it an essential component for high-end generator sets where frequency stability and safety are the top priorities.
| Feature | Detailed Specification |
| Model Number | ESD5522E |
| Series | ESD5500 Professional (N/C Optimized) |
| Operating Voltage | 12V or 24V DC (Dual Voltage Support) |
| Steady State Stability | ±0.25% |
| Speed Range | 1KHz – 7.5KHz Continuous |
| Max Output Current | 10A (Peak) |
| Starting Fuel Control | 0 – 100% (Adjustable) |
| Speed Ramp Time | 1 – 20 Seconds (Adjustable) |
| Input Signal (MPU) | 0.5 – 120 V RMS |
| Operating Temperature | -40°C to +85°C |