MEAN WELL DBU-3200 Series: 3200W Intelligent Battery Charger

Product Overview

The MEAN WELL DBU-3200 series is a high-performance, 3200W single-output AC/DC enclosed battery charger. Designed for versatility, it efficiently charges both lead-acid batteries (Gel, flooded, AGM) and Li-ion batteries (lithium iron, lithium manganese).

Key Features

• Supports lead-acid and Li-ion battery chemistries.
• Built-in 3-stage charging curves with programmable options.
• Integrated I²C interface and PMBus protocol (optional CANBus protocol).
• Universal AC input with active PFC function.
• Forced air cooling via thermal-controlled DC fans.
• Programmable output voltage and current.
• Built-in OR-ing FET for enhanced reliability.
• Active current sharing for up to 6400W (1+1 configuration).
• Comprehensive protections: battery under-voltage, no connection, short circuit, over-voltage, and over-temperature.
• Optional conformal coating for added durability.
• Backed by a 5-year warranty.

Applications

This charger is suitable for a wide range of applications, including large-scale DC UPS, emergency backup systems, marine battery charging, electric scooters and vehicles, wastewater treatment systems, and electrolysis systems.

Technical Specifications

The DBU-3200 series offers models such as DBU-3200-24 and DBU-3200-48, providing different voltage outputs. Key specifications include high efficiency (up to 94.5%), a wide operating temperature range (-30°C to +70°C), and compliance with various safety and EMC standards like UL62368-1 and BS EN/EN62368-1.

For detailed technical specifications, including derating curves and block diagrams, please refer to the official MEAN WELL documentation.

Installation and Usage

The charger supports various control functions, including remote ON-OFF, output voltage and current programming via external voltage or PMBus, and temperature compensation using an NTC sensor. Parallel operation for increased power output is also supported.

For detailed installation instructions and function manuals, please visit: MEAN WELL Installation Manuals