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Phocos CIS-N-05-2L Industrial Solar Charge Controller, negative grounding, dual load, IP68 12/24V

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Phocos CIS-N-05-2L



Phocos CIS-N-05-2L for 12/24V
Industrial Solar Charge Controller, negative gnd, 12/24V, 5/5/5A, dual load, IP68, UL

Waterproof (negative grounded) PV solar charge controller 

PV-Systems exposed to extreme weather and environmental conditions like street lights, navigation buoys, etc., for increased risk for damage in the power electronics. In order to assure reliable battery charge control under such conditions, Phocos developed the CIS encapsulated PV charge controller to prevent corrosion.

The Phocos CIS is an industrial-grade charge controller that is suitable for all practical PV applications. The The Phocos CIS is a high-quality, 4-stage PWM-charging mode is combined with features such as: low-voltage disconnect, flexible load timer functions, and a multi-LED system status display.

The Phocos CIS charge controller features a dual load timer (2L-series) to independently control dual loads. The CIS has no moving parts, switches or buttons. Settings such as battery type, deep discharge thresholds, timers, etc. are made quickly and easily via infrared remote control accessory.

All devices are connected to the controller by supplied lead wires rather than wire terminals. This feature eliminates the risk of damage from external elements like corrosion, dust, water, bugs, chemicals, physical shock, where components make electrical contact to the controller.

The extremely compact aluminum housing even allows for mounting CIS inside street light poles. CIS was developed in accordance with well-established Phocos standards incorporating the latest technology, highest-quality and best possible cost/performance ratio.

CIS-N series was specifically developed to bring optimum performance and the useful features of the popular positive-grounded CIS charge controller to negative-grounded applications. Thanks to its robustness and design, this charge controller is ideal for applications in demanding environments (with negative grounding requirements), like the gas and oil industry, for traffic systems (e.g. traffic control systems, signal lamps), and for any PV applications which are exposed to harsh enviromental conditions


Key advantages

N-series stands for possibility of negative grounding (on minus line)

Robust aluminum housing

Epoxy encapsulated PCB to prevent corrosion

Waterproof (IP68) 1.5m for 72h

Compact size 

Infrared remote control programming accessory (CIS-CU available optionally) 

Intelligent timer functions 

Widely programmable 

External temperature sensor 

4-Stage battery charging (main, float, boost, equalization) 

Two independent outputs for dual loads (only 2L-series)

Automatic system voltage recognition (12/24V)

Max. panel voltage: 42/52V (Voc) in 12/24V systems

Max. panel current: 5-20A (Isc) depends on model

Grounding: negative-grounding

Operating temperature: −40 to +60 °C

Battery type: lead acid (GEL, AGM, flooded)

Programmable with: CIS-CU and MXI-IR (available optionally)


Available models 

Phocos CIS-N-05-2L (no dimming function)

Phocos CIS-N-10-2L (no dimming function)

Phocos CIS-N-20-2L (no dimming function)

Phocos-CIS-N single-load version with negative grounding: available here.
Phocos-CIS-N-2L dual-loads version with negative grounding: with two charge outputs to two independent loads, no dimming function

Optional available


CISCOM Software

CISCOM configuration software for CIS-controllers, quick and easy configuration of individual load-time and system components. The CISCOM requires the MXI-IR interface for communication between PC and the CIS-controller.

CISCOM Software download ZIP-file (3MB) + MXI-IR drivers

CISCOM Manual download PDF-file (2MB)



 Check the newest datasheets and certificates in Phocos database


 Phocos CIS-N-2L - Datasheet

 Phocos CIS-N-2L - User Manual

 Phocos CIS-N-2L - CE certificat of conformity

 Phocos CIS-N-2L - MET certificat of conformity

 Phocos CIS-N-2L - TUV America certificat of conformity

Product matrix of the Phocos-CIS series
Available versions   CIS 05
CIS 10
CIS 20
  CIS-2L 05
CIS-2L 10
CIS-2L 20
  CIS-N 05
CIS-N 10
CIS-N 20
  CIS-N-2L 05
CIS-N-2L 10
CIS-N-2L 20
  CIS-LED 05   CIS-MPPT 75/20
Controller type   PWM   PWM   PWM   PWM   PWM   MPPT
Waterproof (IP68)   X   X   X   X   X   X
System voltage   12/24V   12/24V   12/24V   12/24V   12V   12/24V
Battery type   GEL, Acid   GEL, Acid   GEL, Acid   GEL, Acid   GEL, Acid   GEL, Acid
Max current (A)*   5/10/20A   5/10/20A   5/10/20A   5/10/20A   5A   20A
Max panel voltage (V)**   42/52V   42/52V   42/52V   42/52V   42V   75V
Overcharge protection   X   X   X   X   X   X
Deep discharge protection   X   X   X   X   X   X
Compatible with CIS-CU   X   X   X   X   X   X
Compatible with MXI-IR   X   X   X   X   X   X
Compatible with CISCOM   X   X   X   X   X   X
Grounding possible (on line)   (+)   (+)   (-)   (-)   (+)   (-)
Loads controlled   single load   dual loads   single load   dual loads   single load   single load
Dimmable   X       X       X   X
Datalogger (2 years data)                       X
LED driver                   X    
Size (mm)   82x58x20   82x58x20   82x58x20   82x58x20   82x93x20   130x150x45
Weight    150g   150g   150g   150g   210g   1050g

* Depends on version. The max current appears as panel/generator (Isc).
** In 12/24V battery systems. The max voltage appears as panel/generator (Voc).

Infrared remote controller
CIS-CU available optionally.
Infrared PC/CIS communication interface MXI-IR available optionally.
Setting software CISCOM + MXI-IR driver free available.

Technical Data

Product Phocos CIS-N-05 | CIS-N-10 | CIS-N-20
Type Waterproof Charge Controller 12/24V negative grounding (-)
System Photovoltaic Systems
Function Overcharge Protection and Deep Discharge Protection
Batteries GEL, AGM, Lead-Acid, Flooded
Charging Mode PWM
Nominal Voltage 12/24V automatic detection
Max. charge/load current 5A | 10A | 20A
Float charge 13.8/27.6V (25°C)
Main charge 14.4/28.8V (25°C) 30min (daily)
Boost charge 14.4/28.8V (25°C) 2h activation: battery voltage <12.3/24.6V
Equalization 14.8/29.6V (25°C) 2h activation: battery voltage <12.1/24.2V
Max. panel voltage 30/50V (Voc) for 12/24V Systems
Deep discharge protection Cut-off voltage 11–12V/22–24V | Reconnect level 12.8/25.6V
Overvoltage protection 15.5/31.0V
Undervoltage protection 10.5/21.0V
Temperature compensation -25 mV/K at 12V | -50 mV/K at 24V
Self consumption 5–8 mA at 12V | 6–10 mA at 24V
Grounding negative terminal grounded (on minus line)
Ambient temperature −40 to +60°C
Max. height 4.000m above sea level
Wire cross section 1.5 mm2 | 1.5 mm2 | 2.5 mm2
Adjustment range Evening/morning hours Night/day detection 0–15 h/0–14 h | 2.5–10V
Wire length 10cm
Weight 150 g
Dimensions (WxHxD) 82x58x20 mm
Protection class IP68 (waterproof)
Warranty 2 years

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