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48Vdc 50A 3kW e-Bike/Bicycle/Scooter/Tricycle/forklift charger power module

  • NL3000-48-A

  • NASN

  • NL3000-48-A

Availability:

1. Electrical Specifications

1.1 Input Characteristics

 

Input Method

Single-phase three-wire input

Input Voltage

90Vac to 265Vac

Rated Input Voltage

220Vac

Frequency Range

47Hz-63Hz

Maximum Input Current

18A@180Vac tested

Surge Current

Compliant with ETSI300132-3 standard

Efficiency

≥92%@220Vac 50-100% Load

Power Factor

≥0.99@220Vac 50-100% Load

Leakage Current

<3.5mA@264Vac

Maximum Power

3200W(190Vac265Vac)

Input Fuse

L-line fuse 25A

Maximum Input Voltage

300Vac (the power supply should not be damaged))

1.2 Output Characteristics

 

1.2.1 Output Voltage and Current Range Accuracy

 

Rated Output Voltage

+48Vdc

Output Voltage Adjustable Range

+32Vdc+64Vdc

Output Voltage Accuracy

±1%

Maximum Output Current

50±3A

Output Current Adjustable Range

1A~50A

Output Current Accuracy

%1@output 10~50A; ≤

±1A@output<10A

1.2.2 Output Ripple and Noise

 

Output Voltage

Ripple and Noise (Peak-to-Peak)

+32Vdc+64Vdc

≤±2%Vo @ 25 output full load

Note: Ripple and noise test: bandwidth setting at 20 MHz.

1.2.3 Power-On Output Delay Time

 

Output Voltage

220Vac@25

+32Vdc+64Vdc

0.5S~2S

1.3 LED Indicators

Power LED indicators are installed on the power panel side. The output status is shown in the table below:

 

Indicator Mark

LED

Normal

Abnormal

Cause of Abnor mality







Power Running Indicator

Green

On

Off

Power failure (no AC input, AC input overvoltage or undervoltage), no module output.

 

Protection Indicator

 

Yellow

 

Off

 

On

Temperature warning (ambient temperature exceeds 65, over-temperature shutdown), sleep shutdown (only protection indicator is on during sleep shutdown, module does not

report alarms).

Fault Indicator

Red

Off

On

Output overvoltage shutdown, fan failure, over- temperature shutdown, no output due to internal

module causes.

1.4 Communication Function

The module uses RS485 communication or CAN communication (one of two options). Main monitoring information of the module includes:

1) Voltage and current adjustment functions: meet the requirements of battery equalizing and floating charge, and voltage adjustment;

2) Single module on/off control

3) Alarm information

    Power failure: AC input overvoltage or undervoltage.

    Module protection: Temperature warning

Module fault: Output overvoltage shutdown, fan failure, over-temperature shutdown, or other internal module causes leading to no output (modules in sleep shutdown state and power failure do not report module faults).

1.5 Protection Functions

1.5.1 Output Overcurrent Protection

 

Output Current

Limiting Point

Note

50A

110%

Output shutdown, recoverable


.

 

1.5.2 Output Short Circuit Protection

 

Output Voltage

Note

+32Vdc+64Vdc

protected and restart.

1.5.3 Output Overvoltage Protection

 

Output Voltage

Note

68Vdc

Locked

Note: Entering lock protection state requires disconnecting AC power and then re-powering on for the power supply to resume work.

1.5.4 Input Overvoltage Protection 

Input Voltage

Note

267±2Vac

Output off, recovers after voltage is normal

262±2Vac

Output recovers

1.5.5 Input Undervoltage Protection

 

Input Voltage

Note

88±2Vac

Output off, recovers after voltage is normal

93±2Vac

Output recovers

1.5.6 Output Power R eduction Protection

 

Input Voltage

Limitation Range

90Vac190Vac

Output current limited to 30A, recoverable full

power output when input voltage is 190Vac.

1.5.7 Over-temperature Protection

 

Ambient

Temperature

Note

45

Ambient temperature ≤45can continuously operate at full power.

     1.6Physical Dimensions

NL3000-48 Specification V1.0_08_副本


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