Product Description
The 8406-121 from Woodward’s EGCP-2 (Engine Generator Control Package) family is a microprocessor-driven digital controller designed for integrated engine and generator management. This controller combines load management, system protection, and synchronization functions in a single platform, making it suitable for multi-generator power systems in industrial and utility environments.
Engineered for reliable generator control, the 8406-121 enables coordinated operation of multiple generating units, allowing synchronization, load sharing, and automated protection within distributed power networks. The unit features a dual-LCD display interface that provides operators with real-time system monitoring, alarm status, and configuration access.
The controller supports complex generator management tasks including base load operation, standby power systems, and peak-demand energy management. With its flexible input voltage range and robust industrial design, the EGCP-2 controller is commonly installed in power plants, industrial facilities, and energy infrastructure applications where high reliability and continuous monitoring are required.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Woodward |
| Model | 8406-121 |
| Product Series | EGCP-2 |
| Device Type | Engine Generator Control Package / Digital Generator Controller |
| PT Input Voltage | 50–150 Vac |
| Control Power Input | 9–32 Vdc (24 Vdc nominal, SELV) |
| Display Interface | Dual LCD operator displays |
| Dimensions | 282 × 358 × 69 mm |
| Weight | 2.9 kg |
| Operating Temperature | –20 °C to +70 °C (–4 °F to +158 °F) |
| Storage Temperature | –40 °C to +105 °C |
| Humidity Tolerance | Up to 95% RH at 20–55 °C |
| Protection Functions | Over/Under alarms and shutdowns for oil pressure, coolant temperature, and battery voltage |
| Network Capability | Supports coordination of up to 8 generator sets |
| Display Monitoring | Generator status, alarms, electrical measurements, and configuration data |
Key Functional Capabilities
The 8406-121 controller integrates generator synchronization and load sharing capabilities, allowing multiple generators to operate in parallel efficiently.
Built-in engine monitoring ensures safe operation by supervising critical parameters such as oil pressure, cooling system temperature, and battery voltage. If abnormal conditions occur, the system can trigger alarms or execute automatic shutdown procedures to protect equipment.
The EGCP-2 platform also provides automatic generator start/stop logic, load management, and communication between multiple generator controllers, enabling stable operation in both isolated and grid-connected power systems.
Typical Applications
Industrial generator sets
Standby and emergency power systems
Peak-shaving and load-management installations
Utility or distributed generation systems
Multi-generator power plants
Oil & gas and heavy industrial facilities
FAQ
What is the primary function of the 8406-121 controller?
The 8406-121 is designed to supervise and control engine-driven generators, managing load sharing, synchronization, protection, and operational monitoring.
How many generators can the EGCP-2 system control?
A network of EGCP-2 controllers can coordinate up to eight generator sets operating in parallel.
Does the controller include built-in protection features?
Yes. The controller monitors key engine parameters such as oil pressure, coolant temperature, and battery voltage, triggering alarms or shutdowns if limits are exceeded.












