Phocos CMLSolid Charge Controller 12/24V, 30A


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The CML Solid is the most recent charge controller from Phocos. It can be used in 12V and 24V systems, the controller automatically selects the correct system voltage. The electronics are protected from the environment by an appealing aluminum housing IP20 rated. This Phocos charge controller features a USB port, battery status display, alarm, and electronic protection against reverse battery polarity and reverse solar polarity. It allows for a State of Charge (SOC) or Low Voltage Disconnect (LVD) load. The LVD will trigger a pre-warning beep alarm to indicate the low charge of the battery.

Like other Phocos charge controllers, the CML Solid includes a temperature-compensated, four-stage PWM charging algorithm (float-main-boost-equalization); the controller is field-adjustable for sealed and vented lead-acid batteries. The battery status can be clearly monitored via three LEDs located on the front of the aluminum housing. The large terminals of the controller allow for cable up to 16mm2.

One very unique feature of the CML Solid is that external devices can be charge via the controller's built-in USB port.

Specifications of the Phocos CMLsolid30 solar charge controller:
Phocos model: CMLsolid30
System voltage: 12/24 Volts auto recognition
Max. charge current: 30 Amps
Max. load current: 30 Amps
Float charge: 13.8/27.6 V (25 °C)
Main charge: 14.4/28.8 V (25 °C), 5h Daily
Boost charge: 14.4 /28.8 V (25 °C), 2 Std. activation: battery voltage <12.3/24.6 V
Equalization: 14.8/29.6 V (25 °C), 2 Std. activation: battery voltage <12.1/24.2 V
Overvoltage protection: 15.5/31.0 V
Undervoltage protection: 10.5/21.0 V
Max. panel voltage: 30V in 12V system / 50V in 24V system
Temperature compensation: −25 mV/K at 12V / −50 mV/K at 24V
Max. self consumption: < 4 mA
Grounding: Positive grounding
Ambient temperature: −40 to +50 °C
Max. height: 4,000 m above sea level
Battery type: lead acid (GEL, AGM, flooded)
Wire cross section: < 16 mm2
Weight: 420g
Dimensions (W xH x D): 140 x 90 x 40 mm
Type of protection: IP20

Recommended use
The CMLsolid30 is the most robust PMW charge controller that Phocos has designed. It operates interchangeably with 12V and 24V solar panels. The 30A current capacitywill allow you to connect multiple panels up to 360W. Keep in mind that this is not an MPPT controller and the panels used have to be 12V or 24V nominal, this controller does not step down voltage and will not work with high voltage modules commonly used in residential applications. The electronics are entirely encapsulated and feature screw terminals for easy installation, it is an ideal controller for systems with exposure to the elements.

About Phocos
Phocos was founded in Germany in the 1980’s. The original founders were engineers and researchers who studied renewable energy at the Ulm University of Applied Sciences. They mainly focused on off-grid applications, for use in remote areas with no connection to the electric grid. As the demand for renewable energy sources grew in remote areas, so did their range of innovations. Phocos maintains a priority to develop eco-friendly, simple to use, energy saving products that are also durable with high-end technology. Applications of their products range from rural, recreational, residential, to industrial. Phocos North America is located in Tucson, AZ. Phocos also has 12 other offices around the world.

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Phocos CMLSolid

Specifications for Phocos CMLSolid30 charge controller

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Other Phocos PMW controllers

CM 04 and CM 10
The CM 04 and the CM 10 are the smallest and most inexpensive charge controller Phocos offers. They are ideal for small systems that do not require Low Voltage Disconnect (LVD).
Main feature: Does not include Low Voltage Disconnect (LVD)
PV capacity CM 04: up to 45W
PV capacity CM 10: up to 120W
Available voltage: 12V
Low Voltage Disconnect: No
Rating: Indoor

ECO 10
The ECO 10 is small and versatile, it is fully encapsulated and the connections are made via the provided wires. It does not have any moving parts and it is the best option for small systems (up to 120W) exposed to rough or corrosive environments.
Main feature: Fully encapsulated, no moving parts
PV capacity: up to 120W
Available voltage: 12V
Low Voltage Disconnect: Yes
Rating: Encapsulated for though environments

CMLup10 and CMLup20
The CMLup controllers are modern and lightweight. They are a convenient solution for small systems when the controller is in a dry and friendly environment. They feature a USB port for easy charging of portable electronics.
Main feature: Best option for indoor use, USB charging port
PV capacity CMLup10: up to 120W
PV capacity CMLup20: up to 240W
Available voltage: 12V, 24V with auto select
Low Voltage Disconnect: Yes
Rating: Indoor use

ECO-N-10-T and ECO-N-20-T
Indisputable a great controller for humid, dusty or corrosive environments. As the ECO 10 unit, the electronics in the ECO-N-T units are fully potted and cased in an aluminum cover, the main difference is that they come with terminals instead of wires to facilitate a secure connection.
Main feature: Excellent for humid, dusty or corrosive environments.
PV capacity ECO-N-10-T: up to 120W
PV capacity ECO-N-20-T: up to 240W
Available voltage: 12V, 24V with auto select
Low Voltage Disconnect: Yes
Rating: Encapsulated, corrosion resistant

Besides the front display, the first thing you will notice about the Dingo D2020N is the wide range of operating voltages 12V, 24V, 32V, 36V and 48V it provides out of the box. It is fully programmable and works with wind and micro-hydro power sources.
Main feature: Display and 5 fully programmable voltage set points
PV capacity: up to 240W (wind and hydro compatible)
Available voltage: 12V, 24V, 32V, 36V, 48V
Low Voltage Disconnect: Yes
Rating: Indoor use

The CMLsolid30 is the largest Phocos PMW controller, suitable for medium 12/24V PV arrays up to 360W. Provides 30A of charging capacity and LVD. It is compact and features a heat dissipator in the back. It has full electronic protection and is cased in a flashy orange aluminum cover. It also features a USB for charging small electronics.
Main feature: Compact size with 30A of charging capacity.
PV capacity: up to 360W
Available voltage: 12V, 24V with auto select
Low Voltage Disconnect: Yes
Rating: Protected electronics

CIS-N-10 and CIS-N-20
The CIS-N controllers are known for their built-in load timer. They are commonly used in solar lighting applications. They are fully encapsulated in an aluminum case and does not have any moving parts. It is suitable for 12V and 24V systems and it comes in 10A and 20A. Some CIS models can control two independent loads. Don’t judge it by it’s size, the CIS-N controller is loaded with features.
Main feature: Built-in timer for one or two independent loads.
PV capacity CIS-N-10: up to 120W
PV capacity CIS-N-20: up to 240W
Available voltage: 12V, 24V with auto select
Low Voltage Disconnect: Yes
Rating: Encapsulated, corrosion resistant

CIS-N-LED 350/600/700/1050/1400/2800mA
The CIS-N-LED controller includes all the great features found in the legendary CIS-N but it was designed specifically to operate with LED lights. The appearance and specs of the controllers are very similar, however, the CIS-N-LED features a LED driver and a light dimmer.
Main feature: Built-in driver for LED lights
PV capacity CIS-N-LED 350/600/700mA: up to 120W
PV capacity CIS-N-LED 1050/1400/2800mA: up to 240W
Available voltage: 12V, 24V with auto select
Low Voltage Disconnect: Yes
Rating: Encapsulated, corrosion resistant

Summary Table

ModelVoltageCurrentMax PV capacityLVDRating
CM 0412V4A45WNoIndoor
CM 1012V10A120WNoIndoor
ECO 1012V10A120WYesEncapsulated
Dingo D2020N12/24/32/36/48V20A240WYesIndoor
CIS-N-LED 350/600/700mA12/24V10A120WYesEncapsulated
CIS-N-LED 1050/1400/2800mA12/24V20A240WYesEncapsulated

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Phocos CMLSolid Charge Controller 12/24V, 30A

Phocos CMLSolid Charge Controller 12/24V, 30A

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