• Output Power: 3168 W
• Output Voltage: 57.6 V DC (adjustable 47.5 – 58.8 V)
• Output Current: 55 A (programmable 20 – 100%)
• Input Voltage Range: 90 – 264 V AC / 127 – 370 V DC, 47 – 63 Hz
• Efficiency: 94.5%
• Charging Curve: Built-in programmable 3-stage curve, PMBus / CANBus protocol
• Inrush Current: Max. 55 A @ 230 VAC (cold start)
• Power Factor: 0.97 / 230 VAC at full load (active PFC)
• Operating Temperature: −30 °C to +70 °C
• Cooling: Forced air cooling by built-in thermal-controlled DC fans
• Protections: Battery under voltage, battery no connection, short circuit, over voltage, over temperature
• Parallel Function: Active current sharing up to 6400 W (1+1)
• Isolation Voltage: 3000 V AC between input and output
• Dimensions (L x W x H): 325.8 mm x 107 mm x 41 mm (1U low profile)
• Weight: Approx. 2.76 kg
• Safety & EMC Certificates: UL62368-1, TUV BS EN/EN62368-1, EAC TP TC 004, BS EN/EN55032 Class B
• LED Indicator: Multi-color status LED (Green: Float stage / Orange: Charging / Red: Fault/Warning)
• Warranty: 5 years

Information about MEAN WELL DBU-3200-48

Engineered to power high-capacity 48V energy storage systems, the MEAN WELL DBU-3200-48 packs an impressive 3168 W charging capability into a compact 1U form factor with 94.5% peak efficiency. This unit charges lead-acid and lithium battery chemistries via pre-programmed multi-stage curves while giving operators full freedom to trim output voltage and current levels dynamically. Integrating full PMBus digital protocol control for remote telemetry, a built-in OR-ing FET for seamless N+1 redundancy, and active parallel operation up to 6400 W, it serves as an ideal backbone for large-scale industrial DC UPS units, wastewater treatment facilities, and EV charging stations. Capable of performing across a harsh operating range of −30 °C to +70 °C with intelligent fan cooling and NTC temperature compensation, the DBU-3200-48 provides rugged durability backed by a 5-year warranty.