SCCMPPT40 - Uncategorized MAJESTIC - Free user manual and instructions
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| Product Type | MPPT Solar Charge Controller |
| Model | SCCMPPT40 |
| Brand | Majestic |
| Max PV Input Power | 40A (e.g., 520W for 12V, 1040W for 24V) |
| Max PV Input Voltage | 100V (Voc) |
| Battery System Voltage | 12V/24V Auto Detect |
| Max Charging Current | 40A |
| Charging Type | 3-Stage: Bulk, Absorption, Float |
| Conversion Efficiency | >98% (peak) |
| Display | LCD with backlight |
| Protection Features | Reverse polarity, overcurrent, overvoltage, overtemperature, short circuit |
| Operating Temperature | -20°C to 50°C |
| Dimensions (WxHxD) | Approx. 200 x 140 x 70 mm |
| Weight | Approx. 1.2 kg |
| Enclosure Rating | IP20 (indoor use) |
| Compliance | CE, RoHS |
| Warranty | 2 years |
Frequently Asked Questions - SCCMPPT40 MAJESTIC
What is an MPPT solar charge controller?
An MPPT (Maximum Power Point Tracking) charge controller maximizes the energy harvest from solar panels by adjusting the electrical operating point to extract the maximum available power.
What battery types can the SCCMPPT40 charge?
It supports lead-acid (flooded, AGM, gel) and lithium batteries, with selectable charging profiles via the display.
Can I use the controller for a 48V system?
No, the SCCMPPT40 is designed for 12V or 24V battery systems only.
What is the maximum solar panel wattage?
For a 12V system, maximum PV power is 520W; for 24V, it is 1040W (assuming 40A charging current).
How do I set the battery type?
Use the LCD display and buttons to navigate to the battery type setting and select from options like Flooded, AGM, Gel, or Lithium.
Does the controller have a remote temperature sensor?
No, it relies on internal temperature compensation for lead-acid batteries, but external sensor is not included.
What does the LCD display show?
The display shows PV voltage and current, battery voltage, charging current, battery capacity, and system status.
Is the controller waterproof?
No, it has an IP20 rating and should be installed in a dry, indoor location.
How to troubleshoot if the controller shows no output?
Check PV connections for reverse polarity, battery voltage, and fuse. Ensure the battery is connected first before PV.
Can I connect the controller in parallel?
For higher current, multiple controllers can be connected to the same battery bank, but each must have its own PV array.
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