GU601A AVR Diesel Set Controller Automatic Start Generator Control Board 1pcs Key benefits Stabilizes generator output voltage for cleaner, more consistent power delivery. Enables automatic start and stop control of diesel generator sets for unattended operation. Helps improve conversion rates between mechanical input and electrical output by maintaining steady voltage under changing loads. Simple replacement part to restore control functionality and reduce downtime. What it does Acts as an automatic voltage regulator and generator control board for diesel sets. Monitors generator output and adjusts excitation to maintain target voltage. Provides automatic start control signals for engine starting systems when configured for automatic operation. Compatibility and fit Model: GU601A AVR controller, supplied as 1pcs. Designed for use with diesel generator sets that accept GU601Astyle AVR/controller boards. Intended as a direct replacement or upgrade for systems built around the GU601A controller format. Key attributes Form factor: printed circuit control board, compact for installation inside generator control cabinets. Construction: standard electronic components and connectors suited for generator control applications. Performance: designed to improve voltage stability and reduce voltage fluctuation during load changes. Functionality: combines automatic voltage regulation and automatic start control in a single board. Typical applications Backup power systems: restores automatic start and stable voltage for emergency generators in buildings and facilities. Construction and rental generators: improves voltage regulation for power tools and equipment under variable loads. Agricultural and remote power: supports diesel generator sets used for irrigation pumps, barn systems, or off grid power where automatic start is required. Notes for buyers Supplied as one control board unit (1pcs GU601A). Verify compatibility with your generator control cabinet and connector layout before installation. Installation should be performed by qualified technicians familiar with generator control systems.