Accumulator chargers NB

NB  
  • Up to 150 W
  • 12 V or 24 V version
  • Input – power cord
  • Output – crocodile clips
  • Protection IP20

 

Accumulator chargers NB series are intended for charging of 12 V or 24 V lead-acid accumulators. Charging is running according to IU characteristics. At the beginning the accumulator is charged with a constant current. When the voltage on the accumulator reaches the value of 14,4 V (or 28,8 V), charging then continues in mode with constant voltage. When the charging current decreases to approximately 2/5 of maximum charging current, the signalization LED switches from red to green which signalizes that the accumulator is charged.

 

The version .1 of charger has IUUo charging characteristics. When the charging current decreases to approximately 2/5 of maximum charging current, the output voltage of the charger will lower to 13,8 V (or 27,6 V). This allows the charger to be permanently connected to the accumulator without it being overcharged. This version is suitable for keeping the accumulator in constantly charged state.

 

Table 1: Technical data

 

 
Input voltage 230 V ± 10 % / 50 Hz
Operating temperature 5 °C to 35 °C
Signalization Charging: red LED
Fully charged state: green LED
Interrupted fuse: LED does not light
Short-circuit protection current fuse
Protection IP20
Dimensions model 12NB5.x: 210 × 45 × 113 mm
other models: 210 × 55 × 113 mm
Weight do 1650 g
Electrical safety standards EN 60335-1+A11:1997, EN 60335-2-29
EMC EN 55022-B, EN 61000-3-2:2002,
EN 61000-3-3:2000+A1:2003, EN 61000-4-2,
EN 61000-4-3, EN 61000-4-4, EN 61000-4-5,
EN 61000-4-6, EN 61000-4-8, EN 61000-4-11,
EN 61000-6-1:2003, EN 61000-6-3:2001

Dokuments

 

Leaflet NB
Declaration of conformity
 



Table 2: Models of accumulator charger NB

 
  Charging
voltage
Maintaining
voltage
Maximum
output current
Switching
current
12NB5 14,4 V 5 A 2 A
12NB10 14,4 V 10 A 4 A
24NB5 28,8 V 5 A 2 A
12NB5.1 14,4 V 13,8 V 5 A 2 A
12NB10.1 14,4 V 13,8 V 10 A 4 A
24NB5.1 28,8 V 27,6 V 5 A 2 A



Warning: Before you connect or disconnect an accumulator, always disconnect the power supply.


 
NBA  
  • Up to 100 W
  • 24 V or 36 V model
  • Input – power cord
  • Output – cable
  • Sturdy aluminium cover
  • Protection IP65
     

 

Accumulator charger model NBA is designed to charge lead-acid accumulators with nominal voltage of 24 V or 36 V. Charging is according to IUUo characteristics with the option of temperature compensation of output voltage. Chargers NBA is manufactured with higher mechanical endurance, which allows them to be mounted directly into a vehicle.

 

Table 1: Technical data

 

 
Input voltage 230 V ± 10 % / 50 Hz
Max. output voltage Charging: Up ± 1 %
Maintaining: Uo ± 1 %
Operating temperature 5 °C až 35 °C
Safety class I
Protection IP65 except input and output connector
Dimensions 173 × 57 × 79 mm
Weight 1065 g
Electrical safety standards EN 60335-1+A11:1997, EN 60335-2-29
EMC EN 55022-B, EN 61000-3-2:2002,
EN 61000-3-3:2000+A1:2003, EN 61000-4-2,
EN 61000-4-3, EN 61000-4-4, EN 61000-4-5,
EN 61000-4-6, EN 61000-4-8, EN 61000-4-11,
EN 61000-6-1:2003, EN 61000-6-3:2001

Dokumenty

 

Leaflet NBA
Declaration of conformity
All documents
 



Table 2: Models of accumulator charger NBA

 

 
    Maximum output voltage
  Nominal
out. current
Uo
(0 °C)
Up
(0 °C)
Uo
(25 °C)
Up
(25 °C)
Uo
(40 °C)
Up
(40 °C)
24NBA3A.xx 3 A 28,2 V 30,8 V 27,4 V 29,4 V 26,8 V 28,4 V
36NBA2A.xx 2 A 42,3 V 46,2 V 41,1 V 44,1 V 40,2 V 42,6 V

Uo – maintaining voltage, Up – charging voltage


Warning: Before you connect or disconnect an accumulator, always disconnect the power supply.


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