The TECNED GR(D) series is a high-performance industrial rectifier and battery charger system designed to provide reliable and stable DC power for critical applications. Engineered for demanding environments, it features regulated DC output with an IU charging characteristic according to DIN 41773, ensuring precise voltage regulation and optimized battery charging. With output voltages from 24 to 650 Vdc, the GR(D) series is suitable for power plants, substations, railways, airports, transportation systems, chemical plants, mining, and heavy industry.

Its advanced microprocessor-based control system provides comprehensive monitoring of rectifier and battery functions, while the LCD display delivers real-time information on voltage, current, battery status, alarms, and diagnostics. With output regulation within ±1%, optional DC distribution integration, and standalone backup capability, the GR(D) provides a complete and dependable DC power solution. Built for continuous operation in harsh environments, it delivers the reliability and long service life required for critical industrial processes.