CM — PWM charge controller 4–10 A, 12 V
Country: Germany · Model: CM
The CM controller is designed only for 12 V systems and is available for 4 or 10 A; it is the simplest PWM charge regulator among the models described here. It is installed in cottage lighting kits, signal lamps and off-grid sensors that run on one module and one battery.
- Models
- CM04, CM10
- Battery voltage
- 12 V
- Charge/load current
- 4 / 10 A
- Max. PV voltage
- 30 V
Technical specifications
| Models | CM04, CM10 |
|---|---|
| Battery voltage | 12 V |
| Charge/load current | 4 / 10 A |
| Max. PV voltage | 30 V |
| Ingress protection | IP22 |
| Certificates | CE, RoHS |
| Customs codes (for reference) | |
| HS code | 8504.40 |
| UKTZED code (Ukraine) | 8504405500 |
| CN code (EU) | 85044060 |
Specifications are taken from the manufacturer’s technical documentation. Updated . Customs codes are for reference only; the final code is determined at customs declaration for the specific model.
Description
The battery is charged by a 2-stage PWM algorithm, and consumers are connected to a separate load output. The controller works exclusively with 12 V systems, so there is no choice of bank voltage. Up to 30 V is applied to the PV input, which corresponds to one module for charging 12 V batteries or several such modules in parallel. The enclosure is rated IP22, and it is installed indoors, in a cabinet or under a canopy without direct rain. The wiring scheme is simple, so installation is within the ability of a non-specialist electrician. The controller carries CE and RoHS marking.
How to choose
Between the CM04 and CM10 the choice is by current: 4 A suits a small module and an LED luminaire, and 10 A a larger panel or several consumers. A 24 V system needs a different controller, for example the CXNup (10–40 A) with automatic 12 or 24 V detection and a display. When every watt of solar energy matters and the modules have a higher voltage, take the ECO-N-MPPT 85/15 with an efficiency of up to 98 %.
Request a price and lead time
CM — PWM charge controller 4–10 A, 12 V. We reply within one business day.
Or email office@usk.ua or call +38 (044) 339-50-20.
FAQ
Does the CM controller work with a 24 V battery?
No, the CM04 and CM10 are designed only for 12 V systems. For 24 V choose the CXNup or the ECO-N-MPPT with automatic voltage detection.
What is the maximum current of the CM10 controller?
10 A of charge and load. The smaller CM04 model is rated 4 A.
What solar panel can be connected to the CM controller?
A module or a parallel group of modules with an open-circuit voltage up to 30 V, that is, panels for charging 12 V batteries.
What does 2-stage PWM charging mean in the CM controller?
First the battery is charged at full current up to a threshold voltage, then the controller holds it in a maintenance mode with short pulses.
Where can the CM controller with IP22 be mounted?
Indoors or in a closed cabinet without direct moisture. The enclosure is protected against drops from above, but rain and splashes are not acceptable for it.
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