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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.
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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