
RCB-1600 series
June 19, 2022
DBU-3200 series
June 21, 2022MW Mean Well Meanwell Battery Charger 3200W Rack Mountable Front End Battery Charger DBR-3200 series
Features
- Charger for lead-acid batteries (Gel, flooded and AGM) and Li-ion batteries (lithium iron and lithium manganese)
- Built-in default 3 stage charging curves and programmable curve
- Built-in I²C interface, PMBus protocol (Optional CANBus protocol)
- Output voltage and current programmable
- Universal AC input / Full range
- Built-in active PFC function
- Forced air cooling by built-in thermal controlled DC fans
- Built-in OR-ing FET, support hot swap (hot plug)
- Active current sharing up to 12800W for one 19″ rack shelf
- Protections: Battery under voltage / Battery no connection / Short circuit / Over voltage / Over temperature
- Optional conformal coating
- 5 years warranty
Mean Well Battery Charger DBR-3200 Series Data Sheet Download
Description
Mean Well DBR-3200 Series Overview
The Mean Well DBR-3200 Series is a 3200W single-output AC/DC front-end battery charger designed with a 1U low-profile form factor and an impressive power density of 37W/inch³.
This intelligent 3-stage charger comes pre-loaded with programmable charging curves that support a wide range of lead-acid and lithium-ion batteries. It is the perfect solution for charging systems, backup power, and constant current source applications.
With its output programmable function, users can easily adjust both charging voltage and current using either the built-in potentiometer or the PMBus communication protocol.
The DBR-3200 Series also features comprehensive protection mechanisms, including:
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Over-voltage protection
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Over-temperature protection
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Short-circuit protection
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Temperature compensation for enhanced safety and reliability.
Thanks to its rack-mountable design, this series is ideal for centralized power management systems and industrial battery charging solutions.
DBR-3200-24
The Mean Well DBR-3200-24 delivers a rated output voltage of 24VDC with a maximum charging current up to 133.3A. It is specifically designed for industrial applications requiring 24V battery charging, offering high efficiency, intelligent programmability, and reliable protection. With its 3-stage charging profile, the DBR-3200-24 optimizes battery lifespan while providing stable and efficient performance. Ideal for rack-mounted backup systems, EV charging infrastructure, and industrial energy storage.
DBR-3200-48
The Mean Well DBR-3200-48 provides a rated output voltage of 48VDC with a maximum charging current up to 66.7A. This model is particularly suitable for 48V Li-ion or lead-acid battery systems, offering exceptional efficiency, flexible voltage and current adjustment, and robust safety mechanisms. The DBR-3200-48 excels in applications such as telecom backup, renewable energy storage, and industrial UPS systems, where high-reliability battery management is essential.
Besides the DBR-3200 Series, Mean Well offers a family of high-performance battery chargers tailored for different application needs. Below are three related series you may also consider:
DBU-3200 Series
The Mean Well DBU-3200 Series is a fully standalone 3200W AC/DC battery charger featuring digital control, pre-programmed charging curves, and advanced communication protocols. It is ideal for users who need smart battery management and easy integration into intelligent power systems without relying on external controllers.
RCB-1600 Series
The Mean Well RCB-1600 Series is a 1600W enclosed AC/DC charger known for its compact 1U design, programmable output, and high efficiency. It is commonly used in rack-mounted charging applications, mobility devices, and industrial backup systems where space-saving is crucial.
RPB-1600 Series
The Mean Well RPB-1600 Series offers 1600W programmable charging in a front-end rack-mountable design. It is an excellent solution for centralized charging systems, energy storage, and telecom backup where high reliability and flexible control are required.
Specification
| MODEL | DBR-3200-24 | DBR-3200-48 | |||
|
OUTPUT |
BOOST CHARGE VOLTAGE(Vboost)(default) | 28.8V | 57.6V | ||
| FLOAT CHARGE VOLTAGE(Vfloat)(default) | 27.6V | 55.2V | |||
| CONSTANT CURRENT(CC)(default) | 110A | 55A | |||
|
VOLTAGE ADJ. RANGE |
By built-in potentiometer, SVR | ||||
| 23.5 ~ 30V | 47.5 ~ 58.8V | ||||
| RECOMMENDED BATTERY
CAPACITY(AMP HOURS) Note.3 |
330 ~ 1000Ah |
180 ~ 550Ah |
|||
| LEAKAGE CURRENT FROM
BATTERY (Typ.) |
<1.5mA |
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|
INPUT |
VOLTAGE RANGE Note.4 | 90 ~ 264VAC 127 ~ 370VDC | |||
| FREQUENCY RANGE | 47 ~ 63Hz | ||||
| POWER FACTOR (Typ.) | 0.97/230VAC at full load | ||||
| EFFICIENCY (Typ.) | 93.5% | 94.5% | |||
| AC CURRENT (Typ.) Note.4 | 17A/230VAC | ||||
| INRUSH CURRENT (Typ.) | COLD START 55A/230VAC | ||||
| LEAKAGE CURRENT | <1.5mA / 230VAC | ||||
|
PROTECTION |
OVER VOLTAGE |
31.5 ~ 37.5V | 63 ~ 75V | ||
| Protection type : Shut down o/p voltage, re-power on to recover | |||||
| OVER TEMPERATURE | Shut down o/p voltage, recovers automatically after temperature goes down | ||||
|
FUNCTION |
OUTPUT VOLTAGE PROGRAMMABLE(PV) | Adjustment of output voltage is allowable to 75 ~ 125% of nominal output voltage. Please refer to the Function Manual. | |||
| OUTPUT CURRENT PROGRAMMABLE(PC) | Adjustment of output voltage is allowable to 20 ~ 100% of rated current. Please refer to the Function Manual. | ||||
| AUXILIARY POWER | 5V @ 0.3A, tolerance ±10%, ripple 150mVp-p, 12V @ 0.8A, tolerance ±10%, ripple 450mVp-p | ||||
| REMOTE ON-OFF CONTROL | By electrical signal or dry contact Power ON:short Power OFF:open. Please refer to the Function Manual | ||||
| TEMPERATURE COMPENSATION | -3mV / ℃ / cell / (12V = 6 cells ; 24V = 12 cells ; 48V = 24 cells) | ||||
| DC OK SIGNAL | The isolated TTL signal out. Please refer to the Installation Manual | ||||
| AC OK SIGNAL | The isolated TTL signal out. Please refer to the Installation Manual | ||||
|
ENVIRONMENT |
WORKING TEMP. | -30 ~ +70℃ (Refer to “Derating Curve”) | |||
| WORKING HUMIDITY | 20 ~ 90% RH non-condensing | ||||
| STORAGE TEMP., HUMIDITY | -40 ~ +85℃, 10 ~ 95% RH non-condensing | ||||
| TEMP. COEFFICIENT | ±0.03%/℃ (0 ~ 50℃) | ||||
| VIBRATION | 10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes | ||||
|
SAFETY & EMC (Note 5) |
SAFETY STANDARDS | UL62368-1, CSA C22.2 No. 62368-1, TUV BS EN/EN62368-1, EAC TP TC 004 approved | |||
| WITHSTAND VOLTAGE | I/P-O/P:3KVAC I/P-FG:2KVAC O/P-FG:1.5KVAC | ||||
| ISOLATION RESISTANCE | I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25℃/ 70% RH | ||||
|
EMC EMISSION |
Parameter | Standard | Test Level / Note | ||
| Conducted | BS EN/EN55032 (CISPR32) | Class B | |||
| Radiated | BS EN/EN55032 (CISPR32) | Class A | |||
| Harmonic Current | BS EN/EN61000-3-2 | —– | |||
| Voltage Flicker | BS EN/EN61000-3-3 | —– | |||
|
EMC IMMUNITY |
BS EN/EN55024, BS EN/EN61000-6-2 | ||||
| Parameter | Standard | Test Level / Note | |||
| ESD | BS EN/EN61000-4-2 | Level 3, 8KV air ; Level 2, 4KV contact | |||
| Radiated | BS EN/EN61000-4-3 | Level 3 | |||
| EFT / Burst | BS EN/EN61000-4-4 | Level 3 | |||
| Surge | BS EN/EN61000-6-2 | 2KV/Line-Line 4KV/Line-Earth | |||
| Conducted | BS EN/EN61000-4-6 | Level 3 | |||
| Magnetic Field | BS EN/EN61000-4-8 | Level 4 | |||
| Voltage Dips and Interruptions | BS EN/EN61000-4-11 | >95% dip 0.5 periods, 30% dip 25 periods,
>95% interruptions 250 periods |
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|
OTHERS |
MTBF | 528.8K hrs min. Telcordia SR-332 (Bellcore) ; 44.4K hrs min. MIL-HDBK-217F (25℃) | |||
| DIMENSION | 325*107*41mm (L*W*H) | ||||
| PACKING | 2.65Kg;4pcs/11.6Kg/0.93CUFT | ||||
Application
- Large scale DC UPS or emergency backup system
- Marine battery charger module
- Electric scooter or vehicle charger station
- Wastewater treatment system
- Electrolysis system






