SunLight Solar Lighting  
Controller
  Morningstar's SunLight™ solar lighting controller  
combines the SunSaver 
design with an advanced microcontroller for automatic lighting control  
functions. 
  Model SL20L-12V 12 Volt 
 SunLight Control Features: 
  • Microcontroller digital accuracy • Fully automatic operation • Ten field adjustable lighting control options • Special on/off/on lighting functions • 
Manual test capability • LVD override  
protection • Detects day and night using the PV  
array • Suitable for all 12/24 Vdc  
lamps • Sealed/Flooded battery select • Temperature compensation • Parallel with a SunSaver for 40 amps solar • Includes SunSaver battery charging  
circuit 
  
SunLight Warranty: 5 Year  
Warranty 
SunLight Mechanical Specifications • Wire size #10 AWG (5.2 mm2) • 
Anodized aluminum case • Marine rated  
terminals • Epoxy encapsulated • 
Weight is 9 oz (0.26 kg) 
| SunLight | 
 | 
SL-20 |  
| Rated Solar Current | 
 | 
20A |  
| Rated Load Current* | 
 | 
20A |  
| System Voltage | 
 | 
12V |  
| *Low voltage disconnect  
included on all SunLight controllers |   
  
| 
 SunLight Electrical  
Specifications  |  
|   | 
12  
Volt | 
 |  
| Rated Solar Input | 
20 A | 
 |  
| Rated Load | 
20 A | 
 |  
| 25% Current overload | 
5 min. | 
 |  
| Regulation Voltage: | 
  | 
  |  
| Sealed Battery | 
14.1 V | 
 |  
| Flooded Battery | 
14.4 V | 
 |  
| Load Disconnect | 
11.7 V | 
 |  
| LVD Reconnect | 
12.8 V | 
 |  
| Temp. Comp. (mV/*C) | 
-27 | 
 |  
| Self-Consumption | 
8 mA | 
 |  
| Operating Temp | 
-40 to +  
85°C |   
Product Warranty: 5 Year Manufacturer Warranty 
  
OPTIONAL Din Rail Mounting Clip • Need 2 clips for each controller • 
Fits all 35 mm standard DIN rail
  
 
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time. Orders placed after 2PM EST may not begin processing until the next  
business day. Please call for Rush Processing and/or Rush Shipping  
options.
 
   
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