Specifications

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8 Pheasant Run, Newtown, PA 18940 USA
Due to Morningstar’s policy of continuous improvement, product availability, features and specications are subject
to change without notice. Information in this publication has been checked for accuracy; however, no responsibility is assumed for typos or errors.
©2020 Morningstar Corporation
www.morningstarcorp.com
Versions
SS-10L-24V, SS-10L-12V, SS-6-12V,
SS-6L-12V, SS-20L-12V,
SS-10-12V, SS-20L-24V
Electrical
Max. PV and load ratings Shown to the right
System voltage 12V or 24V
Min. battery voltage 6V*
Regulation voltage 12 volt 24 volt
Sealed battery 14.1 V 28.2 V
Flooded battery 14.4 V 28.8 V
Load disconnect 11.5 V 23.0 V
LVD reconnect 12.6 V 25.2 V
Max. solar voltage
12V battery 30 volts
24V battery 60 volts
Load in-rush capability
SunSaver-6 45 amps
SunSaver-10 65 amps
SunSaver-20 140 amps
Self-consumption < 8 mA
Voltage accuracy
12V: +/– 25 mV (typical)
24V: +/– 48 mV (typical)
Transient surge protection 1500W per connection
Mechanical
Wire size 5 mm / #10 AWG
Weight (unpacked) 0.23kg / 8 oz.
Dimensions
15.2 x 5.5 x 3.2 cm
6.0 x 2.2 x 1.3 inch
Environmental
Ambient temperature -40°C to +60°C
Storage temperature -55°C to +80°C
Humidity 100% non-condensing
Tropicalization Epoxy encapsulation
Marine rated terminals
Anodized aluminum case
Ratings
SS-6/6L SS-10/10L SS-20L
System voltage 12V 12V or 24V 12V or 24V
Min. battery voltage 6V* 6V* 6V*
Max. solar voltage 30V 30V or 60V 30V or 60V
Max. solar current 6.5A 10A 20A
Max. load current 6A 10A 20A
Technical Specications
Electronic Protections
• Solar: Overload, short-circuit, high voltage
• Load: Overload, short-circuit, high voltage
• Battery: High voltage
• All: Reverse polarity, high temperature, lightning and
transient surges
• Reverse current at night
Battery Charging
• Charging method 4 stage series PWM
• Charging stages Bulk, absorption, oat, equalize
• Temperature compensation
» Coefcient 12V: -30mV/°C
24V: -60mV/°C
» Range -30°C to +60°C
» Set points Absorption, oat, equalize
LED Indications
• Status LED (1) Charging or not charging
Solar error conditions
• Battery LED’s (3) Battery level
Charging stage
Certications
• Hazardous Locations - Class 1, Div. 2 Groups A-D
• CE, RoHS and REACH Compliant
• UL 1604/ANSI/ISA 12.12.01-2000 (USA) and CSA C22.2
No. 213-M1987 (Reafrmed 2004) (CANADA) Listed
• ETL Listed: UL 1741 (terminal cover required for compliance)
• FCC Title 47 (CFR), Part 15 Subpart B for Class B Device
• Manufactured in a Certied ISO 9001 Facility
WARRANTY: Five year warranty period.
Contact Morningstar or your authorized distributor for complete terms.
*In periods following excessive battery drain, provided the controller is not power cycled,
the controller can self-recover from a battery voltage of 1V and provide intermittent
charging operation up to 6V at which normal operation will resume.
Control # MS-002634 Rev 12/19.EN
SunSaver shown with included wire terminal cover.
Specication Summary