Model SQL50A1000V ThreePhase Bridge Rectifier with Heatsink (also available as 30A 1200V) Overview This threephase bridge rectifier is designed for brushless generator and alternator applications. It converts threephase AC into DC reliably and is rated for 50A at 1000V, with an alternate 30A 1200V variant. The unit includes a heatsinkmounted package to support thermal management in continuous or intermittent use. Key benefits Reliable DC conversion: Converts threephase AC output from brushless generators and alternators into stable DC for battery charging and DC loads. voltage and current capacity: Rated at 50A and 1000V to handle demanding electrical outputs; variant available at 30A 1200V for different system requirements. Integrated thermal management: Heatsinkmounted design helps dissipate heat and maintain performance under load. Easy integration: Compact, heatsinkstyle package simplifies mounting and replacement of existing rectifier modules in generator assemblies. Versatile compatibility: Suited for brushless generator systems, alternators, and other threephase AC sources within the specified voltage and current limits. Function and performance Function: Threephase bridge rectifier converts alternating threephase AC input into direct current output for use in battery systems and DC circuits. Performance ratings: 50A 1000V nominal rating; alternate 30A 1200V variant. Designed for continuousduty conversion when properly mounted and cooled. Construction: Semiconductor diode bridge assembled in a heatsinkmounted package to provide robust electrical connections and improved heat transfer. Important attributes Model identification: SQL50A1000V, with variant indicated as 30A 1200V where applicable. Compatibility: Intended for brushless generator and alternator outputs; suitable where threephase AC must be rectified to DC within the stated ratings. Size and mounting: Heatsinkmounted package for straightforward mechanical integration and thermal contact; compact form factor for installation in tight equipment enclosures. Materials and build: Solidstate diode bridge combined with a heatsink assembly for reliable electrical and thermal performance. Performance considerations: Ensure system voltage and current remain within the specified ratings and provide adequate airflow or chassislevel thermal conduction for results. Use scenarios Standby generator battery charging: Install the rectifier on a brushless standby generator to convert threephase output into DC for automatic battery charging and control circuits. Mobile or workshop generators: Retrofit or a rectifier module in portable or mounted brushless generators to restore reliable DC output for lights, tools, and battery systems. Small renewable or microgrid systems: Use the rectifier to convert threephase alternator outputs used in smallscale generation setups into DC for battery storage and DC loads. Installation and selection notes Match the rectifier rating to the generator or alternator output. Choose the 50A 1000V model for higher current applications or the 30A 1200V variant when higher peak voltage tolerance is required. Provide adequate thermal contact and airflow to the heatsink. Proper mounting and ventilation help maintain rated performance. Confirm polarity and wiring connections during installation to prevent damage to the rectifier and connected systems. This rectifier offers a practical, heatsinkmounted solution for converting threephase AC from brushless generators and alternators into DC within the stated electrical ratings.