Woodward 8406-120 EGCP-2 Generator Controller

Overview

The 8406-120 is a microprocessor-based controller from Woodward’s EGCP-2 series. It controls diesel and gas engine generator sets. The controller supports both stand-alone and utility-parallel operations. It works with 150–300 Vac PT inputs and uses a 9–32 Vdc power supply. Its compact, panel-mounted design fits industrial environments. The controller features two backlit LCDs for clear monitoring. It meets strict vibration standards, ensuring reliability in harsh conditions.

Technical Specifications

• Model: 8406-120

• Product Series: EGCP-2 (Engine Generator Control Package)

• Function: Paralleling Generator Control

• Power Supply Voltage: 9–32 Vdc (12 or 24 Vdc nominal)

• PT Input Voltage: 150–300 Vac

• CT Inputs: 5 A AC maximum

• Analog Inputs: 0–5 Vdc or 4–20 mA (typically 1 input)

• Discrete Inputs: 16 inputs, 5 mA each, max total 80 mA

• Voltage Bias Output: ±1 Vdc, ±3 Vdc, or ±9 Vdc

• Speed Bias Output: ±3 Vdc

• Relay Contacts: 1/3 HP, 125 Vac (7.2A); 10A, 250 Vac resistive; 10A, 30 Vdc resistive

• Display: 2 backlit LCDs, 8 x 20 characters

• Operating Temperature: –20°C to +70°C

• Storage Temperature: –40°C to +105°C

• Humidity: 95% non-condensing

• Vibration Standards: SV2 5–2000 Hz @ 4 G; RV1 10–2000 Hz @ 0.04 G²/Hz

• Maximum Gen-set Capacity: Up to 30,000 kW

• Communication Protocol: Modbus

• Dimensions (W×H×D): 11.1 × 14.1 × 2.7 inches (282 × 358 × 69 mm)

• Weight: 7.81 lbs

• Mounting: Panel-mounted