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PWM = Puls-Wide-Modulation Charging Method

Sizing the charge controllers in PV off-grid systems:

  • 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

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

Minimum order: no limit

Price: € 13.00
Net Price (excl. VAT)
pcs.

Phocos CML-USB-05

Phocos CML-USB-05
Phocos CML-USB-05

System Voltage: 12/24V
Charge current: 5A
Max input voltage: 30/50V
Max. Input Power: 90/180W
Low voltage disconnect: yes
Grounding: common positive
Charging method: PWM

Availability: in stock

Minimum order: no limit

Price: € 22.00
Net Price (excl. 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

Minimum order: no limit

Price: € 28.00
Net Price (excl. VAT)
pcs.

Phocos ECO-N-10-T

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

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

Minimum order: no limit

Price: € 42.00
Net Price (excl. VAT)
pcs.

Phocos CM10

Phocos CM10
Phocos CM10

System Voltage: 12V
Charge current: 10A
Max. Input Voltage: 30V
Max. Input Power: 175W
Grounding: positive
Charging method: PWM

 

Availability: in stock

Minimum order: no limit

Price: € 19.00
Net Price (excl. 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

Minimum order: no limit

Price: € 33.00
Net Price (excl. VAT)
pcs.
  • new

Phocos CXNup10

Phocos CXNup10
Phocos CXNup10

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

Minimum order: no limit

Price: € 64.00
Net Price (excl. VAT)
pcs.

Phocos CIS-N-10

Phocos CIS-N-10
Phocos CIS-N-10

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

Availability: in stock

Minimum order: no limit

Price: € 42.00
Net Price (excl. VAT)
pcs.
  • new

Phocos ECO-N-20-T

Phocos ECO-N-20-T
Phocos ECO-N-20-T

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

Minimum order: no limit

Price: € 55.00
Net Price (excl. VAT)
pcs.

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

Minimum order: no limit

Price: € 47.00
Net Price (excl. 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

Minimum order: no limit

Price: € 85.00
Net Price (excl. VAT)
pcs.

Phocos CXNup20-2B Solar Charge Controller, Negative Grounding, Two Battery Loader (12/24V)

Phocos CXNup20-2B Solar Charge Controller, Negative Grounding, Two Battery Loader (12/24V)
Phocos CXNup20-2B Solar Charge Controller, Negative Grounding, Two Battery Loader (12/24V)

Dual Battery Solar Charge Controller with LCD
Nominal voltage: 12/24V (autodetection)
Max charge current: 20A (Isc)
Panel max voltage: 30/50V (Voc) for 12/24V systems
Charging method: PWM 4-stage
Monitoring: LC-Display
Function: deep-discharge protection of battery, data logger-2 years, external temperature sensor, negative pole grounded

Availability: in stock

Minimum order: no limit

Price: € 102.00
Net Price (excl. 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

Minimum order: no limit

Price: € 59.00
Net Price (excl. 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

Minimum order: no limit

Price: € 85.00
Net Price (excl. VAT)
pcs.

Phocos CIS-N-LED-1400

Phocos CIS-N-LED-1400
Phocos CIS-N-LED-1400

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

Minimum order: no limit

Price: € 85.00
Net Price (excl. VAT)
pcs.

Phocos CIS-N-LED-2800

Phocos CIS-N-LED-2800
Phocos CIS-N-LED-2800

System Votage: 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

Minimum order: no limit

Price: € 85.00
Net Price (excl. 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

Minimum order: no limit

Price: € 104.00
Net Price (excl. VAT)
pcs.

Phocos CML10 Solar charge controller (12/24V)

Phocos CML10 Solar charge controller (12/24V)
Phocos CML10 Solar charge controller (12/24V)

Solar charge controller for 12/24V PV solar systems
Nominal voltage: 12/24V (autodetection)
Panel max current: 10A (Isc)
Panel max voltage: 30/50V (Voc) in 12/24V systems
Charging method: PWM 3-stage
Monitoring: three LED
Function: protection against overcharge- and deep-discharge of battery

 

SALE OFF

Availability: in stock

Minimum order: no limit

Price: € 20.00 € 40.00
Net Price (excl. VAT)
pcs.
  • Best Deal

Phocos CML20 Solar Charge Controller (12/24V)

Phocos CML20 Solar Charge Controller (12/24V)
Phocos CML20 Solar Charge Controller (12/24V)

Solar charge controller for 12/24V PV solar systems
Available models: Phocos CML 10/15/20
Nominal voltage: 12/24V (autodetection)
Panel max current: 10/15/20A (Isc)
Panel max voltage: 30/50V (Voc) in 12/24V systems
Charging method: PWM 3-stage
Monitoring: three LED
Function: protection against overcharge- and deep-discharge of battery

 

SALE OFF

Availability: in stock

Minimum order: no limit

Price: € 33.00 € 66.00
Net Price (excl. VAT)
pcs.
  • Best Deal

Phocos CXN20 Solar Charge Controller (12/24V)

Phocos CXN20 Solar Charge Controller (12/24V)
Phocos CXN20 Solar Charge Controller (12/24V)

Solar charge controller for 12/24V negative grounded systems
Nominal voltage: 12/24V (autodetection)
Panel max current: 20A (Isc)
Panel max voltage: 30/50V (Voc) for 12/24V systems
Charging method: PWM 4-stage
Monitoring: LCD-Display
Function: protection against overcharge- and deep-discharge of battery, datalogger (one year), negative grounding (N-series)

 

SALE OFF

Availability: in stock

Minimum order: no limit

Price: € 45.00 € 90.00
Net Price (excl. VAT)
pcs.
  • Best Deal

Phocos CXN40 Solar Charge Controller (12/24V)

Phocos CXN40 Solar Charge Controller (12/24V)
Phocos CXN40 Solar Charge Controller (12/24V)

Solar charge controller for 12/24V negative grounded systems
Nominal voltage: 12/24V (autodetection)
Panel max current: 40A (Isc)
Panel max voltage: 30/50V (Voc) for 12/24V systems
Charging method: PWM 4-stage
Monitoring: LCD-Display
Function: protection against overcharge- and deep-discharge of battery, datalogger (one year), negative grounding (N-series)

 

SALE OFF

Availability: in stock

Minimum order: no limit

Price: € 70.00 € 140.00
Net Price (excl. VAT)
pcs.
  • Best Deal

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

Minimum order: no limit

Price: € 65.00 € 130.00
Net Price (excl. VAT)
pcs.
  • Best Deal
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