Solar DC Lighting Controllers

Morningstar’s advanced SunLight solar lighting controller combines the SunSaver regulator with a microcontroller for automatic lighting control functions. SUNLIGHT SOLAR CONTROLLER


This technology provides:
• Proven Reliability
• Precise Lighting Control
• PWM Battery Charging

• Rotary digital switch to select among 10 lighting options (see below)
• Test button flashes red LED to confirm correct rotary switch selection
• Test button turns lights on for 5 minutes (in LVD limited to 3 times)
• Low voltage disconnect overrides lighting timer
• Sunrise overrides lighting timer
• Timer accuracy is within 2 seconds
Four Versions Available:
• 12 Volt: 10 and 20 amp ratings
• 24 Volt: 10 and 20 amp ratings

• Microcontroller digital accuracy
• Fully automatic operation
• Ten field adjustable lighting control options
• Special on/off/on functions
• Manual test capability
• Low Voltage Disconnect override protection
• Detects day and night using the PV array
• Suitable for all 12 & 24 volt dc lamps
• Sealed/Flooded battery select
• Temperature compensation
• Parallel with a SunSaver for 40 amps solar
• Includes SunSaver battery charging circuit



Control Operations Graph


Mechanical Specifications
Wire size #10 AWG (5.2 mm)
Anodized aluminum case
Marine rated terminals
Epoxy encapsulated
Weight is 9 oz (0.26 kg)



Electrical Specifications 

12 Volt model
24 Volt model

Rated Solar Input / rated Load

10/20 A
10/20 A

25% Current Overload

5 min.
5 min.

Regulation Voltage: Sealed Battery

14.1 V
28.2 V

Regulation Voltage: Flooded Battery

14.4 V
28.8 V

Load Disconnect

11.7 V
23.4 V

LVD Reconnect

12.8 V
25.6 V

Temp. Comp. (mV/°C)



8 mA
9 mA

 Operating Temp.

–40 to +85ºC
–40 to +85ºC

Low voltage movement sensors

12 volt and 24 volt movement sensors are available to control your solar powered lights.

This means that you can have a higher powered light globe, or a smaller solar panel and battery because the light only operates when movement is detected.

Price: P4500

Low voltage time switches


12 volt and 24 volt timer are available to control your solar powered lights, up to 10 amps.

(up to a maximum of 120 watts 12 volt and 240 watts 24 volt)

They have several on and off positions per 24 hour day, and operate just like a normal 240 volt timer.

Save the battery and have added security while you're away, because the light only operates when the timer says to.

Price: P4500



With a 24 volt digital timer you can turn DC lights, DC stereo,
DC pump and other 24 volt appliances on and off at preset
times or at random times automatically.

Input: 24v DC Model (11 mA at Idle, 58 mA Relay Energised)
Backup Battery: 1.2v DC NiCad Rechargeable
Switching Relay: 30v DC Max
16 Amps DC Max (8 Amps Inductive load)
Dimensions: 66 × 88 × 42 mm Weight: 104 gm
Features: • Has 8 on/off programs and up to 56 on/off settings for
daily and weekly function.
• Digital Time Switch for 7 days – 24 hour.
• Manual button for temporary override.


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