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Sizing the charge controllers in PV off-grid systems (general rules):

  • Do not exceed the controller allowed max current and voltage A/V defined as Isc/Voc.
  • In PWM controller max allowed voltage results from battery.min.voltage +30V (eg in 12Vdc systems: ~10Vmin.bat + 30V = 40V max).
  • In MPPT controller the absolute max allowed voltage is defined in the datasheet.
  • The real occuring current and voltage of the panel depends on temperature coefficient of the panel. Calculate additional 25% (A/V) which may occur under low temperature, as safety buffer (eg if panel Isc 8A, calculate +25% = 10A which may occur).
  • To choose the correct battery capacity, multiply the controller nominal current x10 (eg for an 10A controller choose 100Ah battery).
  • Always check the controller's datasheet and manual for individual parameters.


 Diagrams    Guide PV Off-Grid Systems

Controllers

Phocos CIS-CU

Phocos CIS-CU
Phocos CIS-CU

Remote controller for individual settings and operation
Compatible with all Phocos CIS controllers
Infrared interface

Availability: in stock

Limitations: no limit

€ 96.00

Net Price (without VAT)
pcs.

Phocos CIS-N-20

Phocos CIS-N-20
Phocos CIS-N-20

System Voltage: 12/24V
Charge current: 20A
Max. Input Voltage: 30/50V
Max. Input Power: 350/700W
Low voltage disconnect: yes
Grounding: common negative
Charging method: PWM

Availability: in stock

Limitations: no limit

€ 69.00

Net Price (without VAT)
pcs.

Phocos CIS-N-LED-1050

Phocos CIS-N-LED-1050
Phocos CIS-N-LED-1050

System Voltage: 12/24V
Charge current: 20A
Max. Input Voltage: 30/50V
Max. Input Power: 350/700W
Low voltage disconnect: yes
Grounding: common negative
Charging method: PWM

Availability: in stock

Limitations: no limit

€ 99.00

Net Price (without VAT)
pcs.

Phocos CIS-N-MPPT 85/15

Phocos CIS-N-MPPT 85/15
Phocos CIS-N-MPPT 85/15

System Voltage: 12/24V
Charge current: 15A
Max. Input Voltage: 85Voc
Max. Input Power: 250/500W
Low voltage disconnect: yes
Grounding: common negative
Charging method: MPPT

Availability: in stock

Limitations: no limit

€ 112.33

Net Price (without VAT)
pcs.

Phocos CIS-N-MPPT-LED

Phocos CIS-N-MPPT-LED
Phocos CIS-N-MPPT-LED

12/24V PV solar/battery systems
Charge current: 15A
Max input voltage: 85Voc
Max input power: 250/500W
Low voltage disconnect: yes
Grounding: positive
Charging method: MPPT

Availability: in stock

Limitations: no limit

€ 140.35

Net Price (without VAT)
pcs.

Phocos CM04

Phocos CM04
Phocos CM04

System Voltage: 12V
Charge current: 4A
Max. Input Voltage: 30V
Max. Input Power: 70W
Grounding: positive
Charging method: PWM

 

Availability: in stock

Limitations: no limit

€ 19.00

Net Price (without VAT)
pcs.

Phocos CML-USB-10

Phocos CML-USB-10
Phocos CML-USB-10

System Voltage: 12/24V
Charge current: 10A
Max input voltage: 30/50V
Low voltage disconnect: yes
Grounding: common positive
Charging method: PWM

Availability: in stock

Limitations: no limit

€ 36.00

Net Price (without VAT)
pcs.
  • new

Phocos CML-USB-20

Phocos CML-USB-20
Phocos CML-USB-20

System Voltage: 12/24V
Charge current: 20A
Max input voltage: 30/50V
Max input power: 175/350W
Low voltage disconnect: yes
Grounding: positive
Charging method: PWM

Availability: in stock

Limitations: no limit

€ 54.00

Net Price (without VAT)
pcs.

Phocos CX20-48V Solar Charge Controller (24/48V)

Phocos CX20-48V Solar Charge Controller (24/48V)
Phocos CX20-48V Solar Charge Controller (24/48V)

Nominal voltage: 24/48V (autodetection)
Panel max current: 20A (Isc)
Panel max voltage: 50/95V (Voc) in 24/48V systems
Charging method: PWM 4-stage
Monitoring: LCD-Display
Function: protection against overcharge- and deep-discharge of battery, datalogger (one year)

 

SALE OFF

 

Availability: in stock

Limitations: no limit

€ 122.05

Net Price (without VAT)
pcs.

Phocos CXNup20

Phocos CXNup20
Phocos CXNup20

System Voltage: 12/24V
Charge current: 20A
Max. Input Voltage: 30/50V
Max. Input Power: 350/700W
Low voltage disconnect: yes
Grounding: negative
Charging method: PWM

Availability: in stock

Limitations: no limit

€ 92.00

Net Price (without VAT)
pcs.

Phocos CXNup40

Phocos CXNup40
Phocos CXNup40

System Voltage: 12/24V
Charge current: 40A
Max input voltage: 30/50V
Max input power: 700/1050W
Low voltage disconnect: yes
Grounding: negative
Charging method: PWM

Availability: in stock

Limitations: no limit

€ 98.16

Net Price (without VAT)
pcs.

Phocos ECO-N-10

Phocos ECO-N-10
Phocos ECO-N-10

System Voltage: 12/24V
Charge current: 10A
Max. Input Voltage: 30/50V
Max. Input Power: 175/350W
Low voltage disconnect: yes
Grounding: negative
Charging method: PWM

 

Availability: in stock

Limitations: no limit

€ 30.00

Net Price (without VAT)
pcs.

Phocos ECO-N-MPPT 85/15

Phocos ECO-N-MPPT 85/15
Phocos ECO-N-MPPT 85/15

12/24V PV solar/battery systems
Charge current: 15A
Max input voltage: 85Voc
Max input power: 250/500W
Low voltage disconnect: yes
Grounding: common negative
Charging method: MPPT

Availability: in stock

Limitations: no limit

€ 118.84

Net Price (without VAT)
pcs.
  • new

Phocos MXI-IR

Phocos MXI-IR
Phocos MXI-IR

Infrared to USB programming accessory for CIS series controllers
Enables individual system settings and parameters
Compatible with all Phocos CIS controller
Enables access to datalogger info (CIS-MPPT only) 

Availability: in stock

Limitations: no limit

€ 51.00

Net Price (without VAT)
pcs.
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