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JN-K Series 10a 20a 30a solar controller

Solar panels may make power at very high voltage and current. If all that is fed directly to the battery then it may get overcharged or blast (in extreme cases).A solar charge controller prevents this from happening. It is is placed in between the solar panels and the battery bank to regulate the charging current and voltage of the batteries through solar. It also prevents the reverse flow of current from batteries to the solar panels during night-time.Basically, without a charge controller it is not possible to safely use solar energy for charging batteries.

  • Brand Name:

    JNGE
  • Model Number :

    JN-K
  • Net weight:

    0.4KG
  • Certification:

    CE
  • Warranty:

    3 years
  • charging current:

    10A 20A 30A
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Product Detail

JN-K DC 12V 24V 48V automatic recognition smart pwm solar charge controller 10A 20A 30A


Product introduction

This series controller adopts the most advanced numerical control technology design, LCD screen display, fully automatic operation. Using pulse width modulation (PWM) - type  battery charging mode and unique control technology will greatly improve the life of the battery. This product has a lot of unique features, the use of the controller is very convenient.


1.Product overview

The controller is suitable for the automatic control of charging and discharging process in the off-grid solar system (independent system). The battery charging and discharging process of the controller is optimized, which can prolong the life of the battery and improve the performance of the system. The comprehensive function of self testing and electronic protection function can avoid the installation errors and system failures which can cause the controller damage.

 

  • Use CPU processor superior speed performance
  • The high precision A/D sampling to ensure the accuracy of sampling
  • The excellent EMC design
  • The intelligent temperature drop current
  • The 12V/24V automatic identification system voltage or 48V battery voltage
  • The efficient tandem PWM charging mode, extend battery life, improves the system performance.
  • The imported MOSFET as power switch, low loss, high reliability
  •  It has wide applicability, automatic recognition of day / night
  • The LCD display and keypad interface, complete menu display and operation
  • The humanized design of browsing interface, easy operation
  • The complete set and modify control parameters
  • The load control mode and intelligent memory function of diversity, enhance the flexibility of the output load
  • Use of temperature compensation charging control algorithm, automatic adjustment of the parameters of charge

and discharge system, improve the service life of the battery

  • The light controller battery input filter, invoice of the battery voltage spike light damage to the equipment
  •  Use of RS-232 communication, the communication speed and communication protocol compatibility are very well.
  • Standard RJ45 interface equipment that can be used for connecting the liquid crystal display unit or PC monitor software and communication peripherals, it is convenient for the user view the controller’s running data, modify the controller control parameters
  • The controller with over temperature, over discharge, overload, short circuit protection function
  •  The photovoltaic array and reverse battery protection function
  • The 5V DC output, can supply power for the mobile phone or digital products


2.Feature description

 A. temperature sensor: the collection of the machine temperature, to prevent the machine over temperature, over temperature protection and reduce current.

 B. liquid crystal display: monitoring interface of system parameters.

 C. combination keys: 2 or 4 combination keys to complete the control of all the operation of the controller.

 D.RS232 communication interface: connect remote PC monitoring software.

 E. load terminal: connect load output.

 F. battery terminal: connect battery.

G. photovoltaic array terminal: connecting photovoltaic array input.

H. external temperature sensor: collection of battery temperature and battery charging temperature compensation.

package for JN-K solar controller

3. Protection function

Short circuit of photovoltaic array

PV array input side short circuit, when the short circuit status cleared, the charge will automatically continue.

Load overload

If the load current is more than 1.2 times of the current of the controller, the controller will disconnect the load. When an overload occurs, the controller will reduce the load to auto-recovery

Load short circuit

When the load short-circuit (more than 2 times the rated load current), the controller will automatic protection, automatic recovery after the termination of short circuit.

Solar panel of reverse connection

Solar panel reverse,the controller will not be damaged, will continue to work normally after the wiring error correction.

Battery polarity reverse protection

Battery polarity reverse , the controller will not be damaged,it just burn the fuse, replace the fuse, will continue to work after the wiring error correction.

Internal temperature sensor damage or fault protection

Internal temperature sensor short circuit or damage, the controller will be charged or discharged when the temperature is 25 degrees, in order to prevent over charging or over discharge of battery

Overheat protection

Automatic protection is carried out by detecting whether the temperature of the heat sink is more than 90. When the temperature of the heat sink exceeds 75 degree, the controller automatically reduces the current by half, and the controller automatically restores the normal charging and discharging operation when the temperature is reduced to 75.

High voltage surge protection

The controller can only protect the high voltage surge of small energy, and in the frequent lightning area, it is recommended to install the external lightning arrester.


Optional parts 1: remote temperature sensor

Acquisition of the ambient temperature to compensate the temperature of the battery charge and discharge parameters, the standard length is 3 meters (also can be customized according to user needs), the temperature sensor are connected through VS interface. Note: in the condition of the remote temperature sensor is not connected to controller, the battery temperature of 25 degree fixed value.

Optional parts 2:RS232 to USB communication line

For connecting the controller communication interface (RJ45 interface) and the USB PC interface of the dedicated cable, through the dedicated monitoring software can be real-time monitoring of the controller and firmware upgrade operation.


Electrical parameter

Item

JN-K(12V/24V/48V)

JN-R(12V/24V/48V)

Rated voltage

12V/24Vauto48V

Battery max voltage

15V/30V/60V

Solar panel max voltage

22V/44V/88V

Rated charging current

10A

20A

30A

40A

50A

60A

Charging line voltage drop

≤0.7V

Discharging line voltage drop

≤0.2V

Static loss

0.2W

communication

RS232/RJ45 Interface

USB output

0.5A/5V

Over-temperature protection

Below 75℃ full current75℃-90℃ half current     above 90℃ off charge

Working environment parameters

LCD display temperature

-20℃-75℃

Working environment temperature

-20℃-50℃

Storage temperature

-30℃-70℃

Protection level

IP30

Mechanical parameters

Wire terminal²)

2.5

6

10

10

16

16

Size L*W*Hmm)

153*94*46.5

207.5*129*69.5

Net weightkg

0.35

0.38

0.40

1.30

1.35

1.40

Battery voltage parameters

Battery voltage parameters are based on 25℃/12V system24V system X248V systemX4

 

Battery parameters

Battery type

Colloid lead acid battery

Sealed lead acid battery

Lithium iron phosphate battery

Manganate

lithium battery

User

definition

Over-charge disconnect voltage (V)

15.5

15.5

13.2

14.4

13-16

Overvoltage recovery voltage (V)

14.8

15.0

12.6

14.0

13-16

Equilibrium charge voltage (V)

14.6

14.6

12.4

13.8

13-15

Enhance charge voltage(V)

14.2

14.4

12.2

13.6

13-15

Floating charge voltage(V)

13.6

13.8

12.0

13.2

12-14

Under-voltage recovery voltage(V)

12.6

12.8

11.5

12.6

11-13

Under-voltage shut down voltage(V)

10.8

10.8

9.6

10.5

9-11

Equilibrium charge duration(min)

——

120

120

120

60-180

Enhance charge duration(min)

120

120

120

120

60-180

Light control voltage parameters

 

Light control turn on voltage

Max

10V

Min

6V

Default

8V

 

Light control turn off voltage

Max

8V

Min

2V

Default

4V

Battery temperature compensation parameters

 Temperature compensation parameters

Max

0mV∕℃∕2V

Min

-8mV∕℃∕2V

Default

-4mV ∕ ℃ ∕2V based on 25℃

Equilibrium, enhance, floating, enhance recovery voltage, low voltage disconnect recovery voltage, under voltage alarm recovery voltage, under voltage alarm voltage, low voltage disconnect voltage‘s temperature compensation parameters are the same

Related products:


               

solar controller for Lithium battery  PV SOLAR CHARGE CONTROLLER   off grid system PWM solar charge controller Motor vechicle charge controller

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Subject : JN-K Series 10a 20a 30a solar controller

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