MEAN WELL NPB-120 120W Compact Size and Wide Output Range Charger Instructions
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Features
- 90~264Vac universal AC input, built-in PFC
- Charger for compatible with lead-acid and Ii-ion batteries
- Fan less design
- Wide adjustable output range by VR:
- Charging voltage adjustable(1 0.5~ 15.2V, 21 ~30.4 V, 42~60.8V
- Charging current adjustable(50~100% rated current
- 2 or 3 stage selectable by DIP S.W
- No load power consumption< 0.15W(AC S.W off)
- -30°C ~+ 70°C wide operating temperature
- Protections: Short circuit/ Over voltage /Over temperature/
Battery reverse polarity protection - Comply with UL/EN62368-1 and EN60335-1/2-29 dual certification
- Front panel LED indicator for charging status
- 3 years warranty
Applications
- Radio system backup solution
- Electric scooter charger
- Camping car, Buses, Heavy duty truck, Specialty vehicles
- Surveillance system
- Portable power tools
Description
NPB-120 series is a 120W charger for compatible with lead-acid (Flooded, Gel, AGM) and li-ion(Lithium iron, lithium manganese) batteries. This product is a class I power unit (with FG), equipped with a standard IEC320-C14 AC inlet and two or three-stage charging control. The entire series supplies different models with output voltages ranging between 10.5VDC and 60.8VDC that can satisfy the demands for various types of batteries devices.
Model Encoding
| Type | Output Connector | Safety | Note | |
| XLR | 3 pin power pin |
|  (48V UL certificated same as TB Type)  | In Stock |
| AD1 | Anderson connector |
| In Stock | |
| TB | Terminal Block |
| In Stock |
SPECIFICATION
| MODEL | NPB-120-12□ | NPB-120-24 □ | NPB-120-48 □ | ||
| □ =XLR, AD1, TB | |||||
| OUTPUT | BOOST CHARGE VOLTAGE(V boost) default) | 14.4V | 28.BV | 57.6V | |
| FLOAT CHARGE VOLTAGE(V float)l default) | 13.BV | 27.6V | 55.2V | ||
| VOLTAGE ADJUSTABLE RANGE | 10.5-15.2V | 21 – 30.4V | 42 – 60.8V | ||
| OUTPUT CURRENT(Typ.) Note.5 | 6.8A | 4A | 2A | ||
| CURRENT ADJUSTABLE RANGE | 50% -100% | ||||
| MAX. POWER Note.3 | 103.4W | 121.6W | 121.6W | ||
| RECOMMENDED BATTERY CAPACITY (AMP HOURS) Note.4 | 20 – 90AH | 15 – 50AH | 7- 25AH | ||
| INPUT | VOLTAGE RANGE Note.5 | 90 – 264VAC 127- 370VDC | |||
| FREQUENCY RANGE | 47 – 63Hz | ||||
| POWER FACTOR (Typ.) | PF>0 .98/115VAC, PF>0 .92/230VAC@12V,PF>0.93/230VAC@24/48V at full load | ||||
| EFFICIENCY (Typ.) | XLR | 86.5% | 89% | 90.5% | |
| AD1 | 86.5% | 89% | 90.5% | ||
| TB | 87% | 89.5% | 90.5% | ||
| AC CURRENT (Typ.) | 1.5A/115VAC 0.8A/230VAC | ||||
| INRUSH CURRENT (Typ.) | COLD START 55A at 230VAC | ||||
| PROTECTION | SHORT CIRCUIT Note .6 | Protection type : Constant current limiting , charger will shutdown after 5 sec, re-power on to recover | |||
| OVER VOLTAGE | 16- 20V | 32-40V | 64- 75V | ||
| Protection type : Shut down and latch off o/p voltage , re-power on to recover | |||||
| REVERSE POLARITY | By internal fuse open | ||||
| OVER TEMPERATURE | Hiccup mode, recovers automatically after temperature goes down | ||||
| FUNCTION | CHARGING CURVE | 2 or 3 stage adjustable by DIP S.W | |||
| ENVIRONMENT | WORKING TEMP. | -30 – +70°C (Refer to “Derating Curve”) | |||
| WORKING HUMIDITY | 20 – 95% RH non-condensing | ||||
| STORAGE TEMP., HUMIDITY | -40 – +85°C, 1 0 – 95% RH non-condensing | ||||
| TEMP. COEFFICIENT | ±0.05%/°C (0 – 45°C) | ||||
| VIBRATION | 10-500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes | ||||
|
SAFETY &EMC (Note 7) | SAFETY STANDARDS | CB IEC62368-1 ,IEC60335-1/2-29, Dekra BS EN/EN62368-1 ,BS EN/EN60335-1/2-29, UL62368-1 , EAC TP TC 004 approved | |||
| WITHSTAND VOLTAGE | I/P-O/P:3KVAC I/P-FG:2KVAC O/P-FG:0.5KVAC | ||||
| ISOLATION RESISTANCE | I/P-O/P, 1 /P-FG , O/P-FG:100M Ohms/ 500VDC / 25°C/ 70% RH | ||||
| EMC EMISSION | Parameter | Standard | Test Level I Note | ||
| Conducted | BS ENIEN55032 (CISPR32),BS EN/EN55014-1 | Class B | |||
| Radiated | BS EN/EN55032 (CISPR32),BS EN/EN55014-1 | Class B | |||
| Harmonic Current | BS ENIEN61000-3-2 | Class A | |||
| Voltage Flicker | BS ENIEN61000-3-3 | —– | |||
| EMC IMMUNITY | BS EN/EN55014-2,BS ENIEN55024,BS EN/EN55035 | ||||
| Parameter | Standard | Test Level I Note | |||
| ESD | BS ENIEN61000-4-2 | Level 3, 8KV air ; Level 2, 4KV contact | |||
| Radiated | BS EN/EN61000-4-3 | Level 2, 3V/m | |||
| EFT/ Burst | BS ENIEN61000-4-4 | Level 2, 1KV | |||
| Surge | BS ENIEN61000-4-5 | Level 2, 1KV/L ine- Line. Level 3, 2KV/Line-Earth | |||
| Conducted | BS EN/EN61000-4-6 | Level 2, 3Vrms | |||
| Magnetic Field | BS EN/EN61000-4-8 | Level 1, 1A/m | |||
| Voltage Dips and Interruptions | BS ENIEN61000-4-11 | >95% dip 0.5 periods, 30% dip 25 periods, >95% interruptions 250 periods | |||
| OTHERS | MTBF | 631.BK hrs min. Telcordia TRISR-332 (Bellcore); 225.BK hrs min. MIL-HDBK-217F (25′ C) | |||
| DIMENSION | 180’96’49mm (L’W’H) | ||||
| PACKING | 1.3Kg; 1Opes/ 14Kg / 1.13CUFT | ||||
|
NOTE |
Product Liability Disclaimer : For detailed information, please refer to https://www.meanwell.corn/serviceDisclaimer.aspx | ||||
Block Diagram
Derating Curve
Static Characteristics
Charging Curve
2 or 3 stage selectable by DIP S.W
This series provides 2 or 3 stage charging curve.(Default 3 stage)
Charging Curve by DIP S.W
2 stage charging curve
| State | NPB-120-12 | NPB-120-24 | NPB-120-48 |
| Constant Current | 6.8A | 4A | 2A |
| Vtloat | 13.8V | 27.6V | 55.2V |
3 stage charging curve
| State | NPB-120-12 | NPB-120-24 | NPB-120-48 |
| Constant Current | 6.8A | 4A | 2A |
| V boost | 14.4V | 28.8V | 57.6V |
| V tloat | 13.8V | 27.6V | 55.2V |
2 stage charging cure is suitable for Li-ion batteries(lithium iron and lithium manganese),
3 stage charging cure is suitable for lead-acid batteries (flooded ,Gel and AGM).
Charging voltage adjustable by VR
| Model | NPB-120-12 □ | NPB-120-24 □ | NPB-120-48 □ |
| Output voltage adjustable range | 10.5- 15.2V | 21-30.4V | 42-60.BV |
Charging current adjustable by VR
| Model | NPB-120-12 □ | NPB-120-24 □ | NPB-120-48 □ |
| Output current adjustable range | 3.4-6.8A | 2-4A | 1-2A |
Front panel LED indicators & Corresponding signal at function pins
| LED | Description |
 Green | Float (stage 3) or Battery full |
 Red | Charging (stage 1 or stage 2) |
Mechanical Specification
NPB-120-xxXLR/AD1 (Cable Type)
NPB-120-xxTB (Terminal Block Type)
Plug Assignment
Standard Output Connector
Optional DC plug: (Available in customized)
| Min. DIN 4 Pin with Lock (male) | Type No. | Pin Assignment | |
| PIN No. | Output( <7A) | ||
 | R?B | 1 | +Vo |
| 2 | -Vo | ||
| 3 | -Vo | ||
| 4 | +Vo | ||
| DIN 4 Pin XLR | Type No. | Pin Assignment | |
| PIN No. | Output(< 10A) | ||
 | XLR4 | 1 | +Vo |
| 2 | +Vo | ||
| 3 | -Vo | ||
| 4 | -Vo | ||
| DIN 3 Pin | Type No. | Pin Assignment | |
| PIN No. | Output(<7A) | ||
 | 03P | 1 | +Vo |
| 2 | -Vo | ||
| 3 | -Vo | ||
| DIN 2 Pin | Type No. | Pin Assignment | |
| PIN No. | Output(<5A) | ||
| 02P | -Vo | |
| 2 | +Vo | ||
| DIN 3 Pin | Type No. | Pin Assignment | |
| PIN No. | Output(< 10A) | ||
| INL3 | N | +Vo |
| L | -Vo | ||
| AMP 1-480702-0 (6.35mm) equivalent | Type No. | Pin Assignment | |
| PIN No. | Output( <7A) | ||
| C4P | 1 | +Vo |
| 2 | +Vo | ||
| 3 | -Vo | ||
| 4 | -Vo | ||
INSTALLATION MANUAL
Please refer to: http://www.meanwell.com/manual.html
Documents / Resources
 | MEAN WELL NPB-120 120W Compact Size and Wide Output Range Charger [pdf] Instructions NPB-120, 120W Compact Size and Wide Output Range Charger, Wide Output Range Charger, Range Charger, 120W Compact Size Charger, Charger |
