MEAN WELL NPP-450 Ultra Wide Output Range Battery Charger & Power Supply Instruction Manual

: June 4, 2024
: MEAN WELL

Table of Contents

MEAN WELL NPP-450 Ultra Wide Output Range Battery Charger & Power
Features
Applications
Description
Mechanical Specification
- Accessory List
- INSTALLATION MANUAL
Read User Manual Online (PDF format)
Download This Manual (PDF format)

MEAN WELL NPP-450 Ultra Wide Output Range Battery Charger & Power

Supply

Features

Mulit-function single unit battery charger or power supply operation modes selectable
Output voltage and current adjustable via potentiometer
3-stage charging curve for charging mode
-30~+70℃ wide operating temperature
Multiple protections: Short circuit / Over load / Over voltage / Over temperature
Thermal controlled DC fan for noise reduction
Remote ON-OFF control
Comply with 62368-1+60335-1/-2-29 dual certification
Suitable for lead-acid (Pb) batteries
Carry handle accessory available (Order NO.:DS-Carry handle, sold separately)
3 years warranty

Applications

Radio system backup solution
Electric scooter charger
Camping car、Buses、Heavy duty truck、 Specialty vehicles
Surveillance system
Industrial automation machinery
Industrial control system
Mechanical and electrical equipment

Description

NPP-450 is a miniaturized dual-purpose charger and power supply. In addition to being used as a three- stage charger for lead-acid batteries, it can also be used as a constant voltage output power supply to drive general load. The operating mode can be quickly switched by plugging or unplugging a connector on the front panel. Other features include: ultra-wide voltage output, adjustable voltage via VR on the panel (10.5~21V, 21~42V, 42~80V, 54~100V), adjustable charging current (50~100%), built-in intelligent fan with variable speed based on temperature to reduce noise and extend fan lifetime, – 30~+70° C wide operating temperature, suitability for use in different environments, built-in remote ON/OFF control, compliance to IEC/EN/UL62368-1 and household EN60335-1/-2-29 dual safety, multiple built-in protections, and 3-year warranty. The NPP-450 is truly an intelligent, safe, and reliable universal dual-purpose charger and power supply with outstanding cost performance

Model Encoding

SPECIFICATION for Battery Charger mode (Default)

MODEL	NPP-450-12	NPP-450-24	NPP-450-48	NPP-450-72

OUTPUT

| BOOST CHARGE VOLTAGE(Vboost)(default)| 14.4V| 28.8V| 57.6V| 72V
FLOAT CHARGE VOLTAGE(Vfloat)(default)| 13.8V| 27.6V| 55.2V| 69V

VOLTAGE ADJUSTABLE RANGE

| 10.5 ~ 21V| 21 ~ 42V| 42 ~ 80V| 54 ~ 100V
By built-in potentionmeter
MAX. OUTPUT CURRENT(CC)| 25A| 13.5A| 6.8A| 5.5A
CURRENT ADJUSTABLE RANGE

Note.3

| 12.5 ~ 25A| 6.75 ~ 13.5A| 3.4 ~ 6.8A| 2.75 ~ 5.5A
By built-in potentionmeter
MAX. POWER| 420W| 453.6W| 456.96W| 462W
RECOMMENDED BATTERY CAPACITY (AMP HOURS) Note.4| 90 ~ 300AH| 45 ~ 155AH| 24 ~ 80AH| 19 ~ 64AH

INPUT

PROTECTION

| SHORT CIRCUIT Note.7| Protection type : Constant current limiting, charger will shutdown after 5 sec, re-power on to recover

OVER VOLTAGE

| 21.5 ~ 26V| 43 ~ 52V| 82 ~ 100V| 102 ~ 120V
Protection type : Shut down and latch off o/p voltage, re-power on to recover
OVER TEMPERATURE| Shut down O/P voltage, recovers automatically after temperature goes down

FUNCTION

| CHARGING STAGE| 3 stage only
CHARGER OK SIGNAL| The TTL signal out, Charger OK = H(4.5 ~ 5.5V) ; Charger failure or protection status =L( -0.5 ~ +0.5V)
BATTERY FULL SIGNAL| The TTL signal out, Battery full = H(4.5 ~ 5.5V ); Charging = L(-0.5 ~ +0.5V)
REMOTE CONTROL| Open : Charger stop charging Short : Charger normal work
FAN SPEED CONTROL| Depends on internal temperature

ENVIRONMENT

| WORKING TEMP.| -30 ~ +70℃ (Refer to “Derating Curve”)
WORKING HUMIDITY| 20 ~ 95% RH non-condensing
STORAGE TEMP., HUMIDITY| -40 ~ +85℃, 10 ~ 95% RH non-condensing
TEMP. COEFFICIENT| ±0.05%/℃ (0 ~ 50℃)
VIBRATION| 10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes

SAFETY & EMC

(Note 8)

| 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, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25℃/ 70% RH

EMC EMISSION

EMC IMMUNITY

OTHERS

| MTBF| 352.3K hrs min. Telcordia SR-332 (Bellcore) ; 118.5K hrs min. MIL-HDBK-217F (25℃)
DIMENSION| 20513055mm (LWH)
PACKING| 1.02Kg; 8pcs/ 10Kg / 1.71CUFT

NOTE

|

Modification for charger specification may be required for different battery specification. Please contact battery vendor and MEAN WELL for details.
All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25℃ of ambient temperature.
Float charge voltage(Vfloat) adjustable via potentiomerter in battery charger mode.
This is MEAN WELL’s suggested range. Please consult your battery manufacturer for their suggestions about maximum charging current limitation.
Derating may be needed under low input voltages. Please check the derating curve for more details.
The efficiency is measured at 16.8V charge voltage(12V model), 33.6V charge voltage(24V model), 67.2V charge voltage(48V model), 84V charge voltage(72V model).
This protection mechanism is specified for the case the short circuit occurs after the charger is turned on.
The charger is considered a component which will be installed into a final equipment. All the EMC tests are been executed by mounting the unit on
a 600mm*900mm metal plate with 1mm of thickness. The final equipment must be re-confirmed that it still meets EMC directives. For guidance on how to perform these EMC tests, please refer to “EMI testing of component power supplies.” (as available on http://www.meanwell.com)
The ambient temperature derating of 3.5℃/1000m with fanless models and of 5℃/1000m with fan models for operating altitude higher than 2000m(6500ft).

Product Liability Disclaimer：For detailed information, please refer to https://www.meanwell.com/serviceDisclaimer.aspx

SPECIFICATION for Power Supply mode (Selectable via pin3 & 4 jumper of 14pins connector on panel)

MODEL	NPP-450-12	NPP-450-24	NPP-450-48	NPP-450-72

OUTPUT

| DC VOLTAGE| 14.4V| 28.8V| 57.6V| 72V

VOLTAGE ADJUSTABLE RANGE

| 10.5 ~ 21V| 21 ~ 42V| 42 ~ 80V| 54 ~ 100V
By built-in potentionmeter
CURRENT ADJUSTABLE RANGE| 12.5 ~ 25A| 6.75 ~ 13.5A| 3.4 ~ 6.8A| 2.75 ~ 5.5A
RATED CURRENT| 25A| 13.5A| 6.8A| 5.5A
RATED POWER| 420W| 453.6W| 457W| 462W
RIPPLE & NOISE(max.)| 180mVp-p| 300mVp-p| 480mVp-p| 600mVp-p
VOLTAGE TOLERANCE| ±1.0%| ±1.0%| ±1.0%| ±1.0%
LINE REGULATION| ±0.5%| ±0.5%| ±0.5%| ±0.5%
LOAD REGULATION| ±1.0%| ±1.0%| ±0.5%| ±0.5%
SETUP, RISE TIME| 1800ms, 60ms/230VAC at full load
HOLD UP TIME (Typ.)| 16ms/230VAC at 75% load 10ms/230VAC at full load

INPUT

PROTECTION

| ****

OVERLOAD

| 105 ~ 115% rated output power
Protection type : Constant current limiting, unit will shutdown after 5 sec, re-power on to recover
SHORT CURRENT| Protection type : Constant current limiting, unit will shutdown after 5 sec, re-power on to recover

OVER VOLTAGE

| 21.5 ~ 26V| 43 ~ 52V| 82 ~ 100V| 102 ~ 120V
Protection type : Shut down and latch off o/p voltage, re-power on to recover
OVER TEMPERATURE| Shut down O/P voltage, recovers automatically after temperature goes down

FUNCTION

| REMOTE CONTROL| Open : Power OFF Short : Power ON
DC OK| The TTL signal out, DC OK = H(4.5 ~ 5.5V) ; Power supply failure or protection = L(-0.5 ~ +0.5V)
FAN SPEED CONTROL| Depends on internal temperature

ENVIRONMENT

| WORKING TEMP.| -30 ~ +70℃ (Refer to “Derating Curve”)
WORKING HUMIDITY| 20 ~ 95% RH non-condensing
STORAGE TEMP., HUMIDITY| -40 ~ +85℃, 10 ~ 95% RH non-condensing
TEMP. COEFFICIENT| ±0.05%/℃ (0 ~ 50℃)
VIBRATION| 10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes

SAFETY & EMC

(Note 4)

| 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, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25℃/ 70% RH

EMC EMISSION

EMC IMMUNITY

95% interruptions 250 periods

OTHERS

| MTBF| 352.3K hrs min. Telcordia SR-332 (Bellcore) ; 118.5K hrs min. MIL-HDBK-217F (25℃)
DIMENSION| 20513055mm (LWH)
PACKING| 1.02Kg; 8pcs/ 10Kg / 1.71CUFT

NOTE

|

Modification for charger specification may be required for different battery specification. Please contact battery vendor and MEAN WELL for details.
All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25℃ of ambient temperature.
Derating may be needed under low input voltages. Please check the derating curve for more details.
The PSU is considered a component which will be installed into a final equipment. All the EMC tests are been executed by mounting the unit on
a 600mm*900mm metal plate with 1mm of thickness. The final equipment must be re-confirmed that it still meets EMC directives. For guidance on how to perform these EMC tests, please refer to “EMI testing of component power supplies.” (as available on http://www.meanwell.com)
The ambient temperature derating of 3.5℃/1000m with fanless models and of 5℃/1000m with fan models for operating altitude higher than 2000m(6500ft).

※ Product Liability Disclaimer：For detailed information, please refer to https://www.meanwell.com/serviceDisclaimer.aspx

Block Diagram

MEAN-WELL-NPP-450-Ultra-Wide-Output-Range-Battery-Charger-amp-Power-
Supply-02

Derating Curve

MEAN-WELL-NPP-450-Ultra-Wide-Output-Range-Battery-Charger-amp-Power-
Supply-03

Function Manual

Battery Charger or Power Supply Operation modes selectable via pin3 and pin4 jumper
Between pin3 and pin4| Operation modes
---|---
Jumper connected| Power supply mode
Jumper removed| Battery charger mode (Default)
Charging Curve (Charging Mode)
State| NPP-450-12| NPP-450-24| NPP-450-48| NPP-450-72
---|---|---|---|---
Constant Current| 25A| 13.5A| 6.8A| 5.5A
Vboost| 14.4V| 28.8V| 57.6V| 72V
Vfloat| 13.8V| 27.6V| 55.2V| 69V

MEAN-WELL-NPP-450-Ultra-Wide-Output-Range-Battery-Charger-amp-Power-
Supply-06

Charger OK / DC OK Signal
Charger OK / DC OK signal is a TTL level signal. The maximum sourcing current is 10mACharger OK / DC OK signal| Charger status
---|---
“High” : 4.5 ~ 5.5V| Work normally
“Low” : -0.5 ~ 0.5V| Failure or protection function activated
Remote ON-OFF Control
The NPP-450 can be turned ON/OFF by using the “Remote Control” function.Between pin7 remote ON-OFF and pin8 +12Vaux| Charger status
---|---
Short ( Pin 7 = 10.8 ~ 13.2V)| ON (Default)
Open ( Pin 7 = -0.5 ~ 0.5V)| OFF

Mechanical Specification

MEAN-WELL-NPP-450-Ultra-Wide-Output-Range-Battery-Charger-amp-Power-
Supply-08

Connector Pin No. Assignment : HRS DF11-14DP-2DS or equivalent
Pin No.| Assignment| Mating Housing| Terminal
---|---|---|---
1,2,11~14| NC|

HRS DF11-14DS
or equivalent

|

HRS DF11-**SC
or equivalent

LED Status Table
Charger (Default)

LED Indicator| Status
Green| Float stage (stage 3) or full charged
Red| Charging (stage 1 or stage 2)
No Light| Abnormal
Power supply mode
LED Indicator| Status
Green| Normal working
No Light| Abnormal
Control Pin No. Assignment : HRS DF11-14DP-2DS or equivalent
Mating Housing| HRS DF11-14DS or equivalent
---|---
Terminal| HRS DF11-**SC or equivalent

Pin No.	Function	Description
1,2,11~14	NC	—–

3,4

| Battery charger / Power supply| Open: Battery charger, Color of LED loading indicator: Reference to battery charger. Short: Power supply, Color of LED loading indicator :Green.
5| Battery Full| Battery Full Signal, referenced to GND-AUX(Pin 9 & 10). The Signal is a TTL level signal. The maximum sourcing current is 10mA and only for output.(Note.2) Low (-0.5 ~ 0.5V) : When the battery is charging. High (4.5 ~ 5.5V) : When the battery is full.
6| Charger OK / DC OK| Charger OK / DC OK Signal, referenced to GND-AUX(Pin 9 & 10). The Signal is a TTL level signal. The maximum sourcing current is 10mA and only for output.(Note.2) Low (-0.5 ~ 0.5V) : When the charger fails or the protect function is activating. High (4.5 ~ 5.5V) : When the charger is working properly.
7| Remote ON-OFF| Remote charger ON/OFF Function. The charger can turn the output ON/OFF by dry contact between Remote ON-OFF and +12V-AUX.(Note.2) Short (10.8 ~ 13.2V) : Charger ON ; Open(-0.5 ~ 0.5V) : Charger OFF ; The maximum input voltage is 13.2V.
8| +12V-AUX| It is controlled by the Remote ON-OFF control.
9,10| GND-AUX| The signal return is isolated from the output terminal. (+V & -V)

Note1: Non-isolated signal, referenced to [GND(signal)].
Note2: Isolated signal, referenced to GND-AUX