100% solid state
True 0 to 100% PWM duty cycle
Setpoint accuracy to 60 mV
Temperature compensation
Rated for 25% overloads
No need to derate
Lightning protected with 1500 W transorbs
Self-consumption is 6 mA
Fully encapsulated in epoxy potting
ABS plastic, impact-resistant case
Outdoor rated, Hypalon connecting wires


5 Year Warranty
• Series design (not shunt)
• 100% solid state
• True 0 to 100% PWM duty cycle
• Setpoint accuracy to 60 mV
• Temperature compensation
• Rated for 25% overloads
• No need to derate
• Lightning protected with 1500 W transorbs
• Self-consumption is 6 mA
• Fully encapsulated in epoxy potting
• ABS plastic, impact-resistant case
• Outdoor rated, Hypalon connecting wires
This controller is ideal for single 12 volt solar installations for panels of up to 80 watts. This is also what we recommend for the smaller trickle charge and maintenance charge panels in the 5 to 20 watt range. Morningstar's SunGuard™ is the world's leading single module controller. They have combined all the advantages of their SunSaver charging circuit with less expensive packaging to provide an economical controller for small PV systems. Good for any 12 volt panel up to 80 watts.
5 year warranty
Description
The SunGuard 4 12 volt controller offers most of the same features of the ProStar line, but without the battery status LED's, automatic equalization or the optional LCD display. The SunGuard 4 is a PWM controller and can control up to 4.5 array amps (can be paralleled for 40 amps or more). The SunSaver's advanced design delivers outstanding performance and value.
SunSaver's low cost is made possible by Morningstar's unique approach to design and manufacturing: automated production, latest power electronic power technologies, latest control and logic technologies, and high volume manufacturing.
- Dimensions (LxWxH): 3 × 2.1 × 1.6 inches
- Weight: .3 lbs
- 100% Solid State
- True 0 to 100% PWM duty cycle
- Setpoint accuracy to 35mV
- Marine rated terminals/ anodized case
- Rated to 20% overloads
- Fully encapsulated in epoxy potting
About Morningstar Corporation
Morningstar Corporation is a world-leading manufacturer and supplier
of solar charge controllers and inverters. Since their inception in
1993, over 2.5 million Morningstar units have been installed in over 112
countries around the world. Morningstar controllers and inverters have
set new standards in performance, quality, reliability and innovative
features, and global solar markets have consistently recognized
Morningstar's products as the industry's best overall customer value.
Manufacturing
is conducted in a fully-automated, world-class ISO 9001 facility, and
quality control includes 100% functional testing on every product, using
the latest computerized test equipment and processes.
For over
20 years, Morningstar has preserved its ownership, management and
strategy, which has allowed the company to build trusted, long-term
relationships with its employees, customers and suppliers.
MorningStar SunGuard 4.5 Amp 12 Volt PWM Charge Controller