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MORNINGSTAR SUNKEEPER PWM 12V 12A
MORNINGSTAR SUNKEEPER PWM 12V 12A
MORNINGSTAR SUNKEEPER PWM 12V 12A
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MORNINGSTAR SUNKEEPER PWM 12V 12A

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$196.42
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$196.42
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Morningstar’s SunKeeper™ solar controller provides a low cost regulated output directly from the solar module to maximize battery life in small solar power applications.


Key Features and Benefits
High Reliability
Outdoor Rated
Extensive Electronic Protections
Longer Battery Life
Rated for Hazardous Locations
More Operation Information
Easy to Install


Electrical Specifications
• Rated Solar Input: SK-12 12 amps
• Nominal System Voltage 12 Volts
• Min. Battery Voltage 0 Volts
• Max. Solar Voltage 30 Volts
• Self-Consumption Charging...7 mA
Night ........2 mA
• Voltage Accuracy ± 150 mV

Battery Charging
• Regulation Voltage 14.1 Volts (at 25°C)
• Float Voltage 13.7 Volts (at 25°C)
• Type of Charging Series PWM
3 stage: bulk, PWM and float
• Temperature Compensation (3 choices)
Reading temp at controller –30 mV / °C
Attaching remote temp sensor –30 mV / °C
Disable temp comp Defaults to 25°C
• Ability to Charge a Zero Voltage Battery

Bi-color LED
• Green Blink 3 Times Successful installation
• Green On Solar Solar charging battery
• Green Blink Fast In regulation
• Green Blink Slow Normal nighttime operation
• Red On Controller damaged
• Red Blink System problem
• LED Off No power

Electronic Protections
• Reverse Polarity • Lightning and Transient Surges
• Short Circuit • High Temperature
• Overcurrent • Reverse Current at Night

Environmental Specifications
• Operating Temperatures – 40°C to +70°C
• Humidity 100%
• Tropicalization Encapsulated in epoxy
UV resistant plastic enclosure
Conduit connection with
rubber gasket seal

Mechanical Specifications
• Dimensions 99 x 51 x 13 mm
(3.9 x 2.0 x 0.5 inches)
• Weight 0.11 kg / 0.25 lbs
• Enclosure IP65
• Fitting to Module J-box PG 13.5, M20, 1/2 inch conduit
• Wire Size 2.0 mm2 (#14 AWG)
• Wire Terminations #8 fork connectors