Woodward LS-521-1/P1 8440-1952E
Product Name: Woodward LS-521-1/P1 Front-Panel Circuit Breaker Synchronization & Bus Control Unit (8440-1952E Version)
Product Introduction: Front-door mounted graphic LCD synchronization controller from Woodward LS-5 series, dedicated for multi-bus, multi-genset parallel power management; realizes automatic synchronization, mains decoupling, bus-tie breaker control and full protection, fully compatible with easYgen-3400XT/3500XT genset controllers.
Detailed content
Technical Specifications:
- Power Supply: 24V DC wide voltage input (8–32V DC)
- Rated CT Input: 5A secondary
- Rated PT Input: 120Vac, applicable generator voltage up to 690Vac 50/60Hz
- Operating Temperature: -20°C to +60°C
- Mounting: Front panel embedded plastic housing
- Dimensions: 219×171×61mm; Weight: 850g
- Protection Class: Front IP54, Rear IP20
- Communication: CANopen bus, RS485 Modbus RTU
- Event Recorder: 300 historical event entries with real-time clock
Functional Features:
- Supports slip frequency synchronization and phase matching synchronization modes
- Integrates df/dt ROCOF, phase shift, overvoltage grid code compliance protection
- Up to 16 LS-5 units networking, controls maximum 32 easYgen gensetsWoodward
- Software configurable as synch check relay, mains breaker controller or bus-tie breaker controller
- Automatic mains failure detection and mains decoupling control
- Real-time time synchronization between LS-5 and easYgen controllers
- Graphic LCD local monitoring and operation, parameter configuration via Woodward ToolKit software
Application Scenarios: Industrial multi-genset parallel power stations, CHP cogeneration plants, marine ship power distribution systems, grid-connected switchgear control, microgrid bus management systems.












