Woodward 8440-1006
Product Introduction: Industrial-grade microprocessor-based circuit breaker control and protection unit, part of the LS-4 series, designed for generator set and power distribution system overcurrent, short-circuit and ground fault protection with true RMS sensing capability.
Technical Specifications:
- Core Processor: Microcontroller-based real-time control
Detailed content
- Power Supply: 12/24 VDC (9.5 to 32 VDC wide range)
- AC Current Sensing: True RMS measurement, Class 1 accuracy
- Rated Current: 1 A or 5 A selectable, isolated input
- Measuring Frequency: 40 to 70 Hz (50/60 Hz adaptive)
- Discrete Inputs: Isolated, 12/24 VDC (4 to 40 VDC range), 6.7 kΩ input resistance
- Relay Outputs: Programmable dry contacts, 2 A at 24 VDC / 250 VAC
- Operating Temperature: -20 to 70 °C
- Humidity Rating: 95% non-condensing
- Configuration: PC software + front panel keypad
Function Features: True RMS current measurement for accurate fault detection, configurable trip curves (inverse time / fixed time), remote communication via CAN bus, front panel status LED indicators, automatic reset or manual reset options, built-in event logging, non-volatile memory for settings and fault records.
Application Scenarios: Generator set circuit breaker protection, industrial power distribution panels, marine generator control systems, CHP (combined heat and power) unit protection, standby power system safety interlocks.












