Description
The SMA Sunny Boy SB3.8 is a 3,800 watt AC output grid-tied PV solar inverter that features 2 independent MPPT channels, a 2,000 watt off-grid secure power supply, lifetime monitoring, and an integrated DC disconnect safety switch. The SMA SB-3.8 is a transformerless, UL certified solar power inverter with a 10 year warranty, or up to 20 year optional extended warranty. MPPT or Maximum Power Tracking uses SMA OptiTrac Global Peak to mitigate the effect of shade and allow for installation at challenging sites. The unique Secure Power Supply feature provides daytime power even in the event of a grid outage. High performance, flexible design and innovative features make the Sunny Boy the first choice among professionals. Order online or PHONE 888-498-3331
Product Features
- 2,000 watt Emergency Power Supply provides daytime power in case of day-time grid outage
- Shade management with OptiTrac Global Peak MPP tracking
- Two MPP trackers provide numerous design options
- 97.5% maximum efficiency, 97% CEC weighted efficiency
- Lifetime system monitoring with Integrated web connections and on-site LED Display
- 10 year warranty standard with up to 20 year optional extended warranty
- UL 1741 and 1699B compliant
- Integrated AFCI arc-fault circuit protection for added fire safety
- Qualifies for Federal Energy Tax Credit and State and Utility Solar Rebates!
Videos
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The All-New Sunny Boy-US
The Sunny Boy 5.0-US / 6.0-US features a wealth of improvement...
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Tech Tip: Installing the Sunny Boy 5.0-US/6.0-US
The latest version of the Sunny Boy is easier to install than ...
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Tech Tip: Installing Secure Power Supply
SMA's Secure Power Supply is the easiest, most cost-effective ...
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Tech Tip: Commissioning the Sunny Boy 5.0-US/6.0-US
Commissioning the Sunny Boy 5.0-US/6.0-US can be done in minut...
Parts / Specifications
Manufacturer: |
SMA Technology |
Model: |
Sunny Boy SB3.8-1SP-US-41 |
DC POWER INPUT: |
DC POWER INPUT |
Maximum DC Watts: |
3,900 |
Maximum DC Voltage: |
600V |
Rated MPP range: |
195 - 480 V |
MPPT voltage range: |
100 - 550 V |
Minimum DC voltage: |
100V |
Minimum start voltage: |
125V |
Maximum short circuit current: |
18A per MPPT |
# of MPPT tracker: |
2 |
# Strings per tracker: |
1 |
DC Disconnect Switch: |
600Vdc |
AC POWER OUTPUT: |
AC POWER OUTPUT |
Nominal AC Output Power: |
3,800 watts or 3800 VA |
Nominal AC voltage: |
208Vac - 240Vac |
AC voltage range: |
183V to 264V |
AC grid frequency: |
60 Hz / 50 Hz settings |
Maximum AC current: |
16 Amps |
Maximum AC OCPD: |
20A |
Power factor: |
1 |
Output Phases: |
1 |
Line Connections: |
2 (PV+ / PV-) |
Harmonics: |
< 4% |
SECURE POWER SUPPLY: |
SECURE POWER SUPPLY |
Maximum output power: |
2,000 WATTS |
Nominal AC Voltage SPS: |
120V |
Maximum DC voltage SPS: |
600 Volts |
DC rated voltage SPS: |
360V |
DC voltage range SPS: |
100V to 500V |
Start DC voltage: |
100V |
Maximum DC current SPS: |
10 Amps |
# of inputs: |
3 |
Maximum DC short-circuit current: |
18A |
EFFICIENCY: |
EFFICIENCY |
Maximum Efficiency: |
97.5% |
CEC Weighted Efficiency: |
97.0% |
Self-consumption standby: |
less than 2 W |
MECHANICAL DATA: |
GENERAL MECHANICAL DATA |
DC connection terminals: |
3x DC+ and 3x DC- screw terminals for copper (solid / stranded / fine stranded) or aluminum (solid / stranded) |
AC connection terminals: |
Screw terminals #6 - #12 AWG |
Dimensions: |
21.1 * 28.5 * 7.8 inches (535 * 730 * 198 mm) (W * H * D) |
Weight: |
57 lbs (26 kg) |
Noise emission, typical: |
25 dB |
Topology: |
Transformerless |
Cooling method: |
Convection |
Enclosure type: |
Outdoor rated, NEMA 3R (UL50) |
PROTECTIVE DEVICES: |
PROTECTIVE DEVICES |
DC disconnect: |
Yes |
DC reverse polarity protection: |
Yes |
Ground fault monitoring: |
Yes |
Grid monitoring: |
Yes |
AC short-circuit capability: |
Yes |
Protection class: |
I |
Overvoltage category: |
IV |
Communication Interfaces: |
Ethernet, WLAN |
Communication protocols: |
Modbus (SMA, Sunspec), Webconnect |
Warranty: |
Ten years |
Certificates and approvals: |
UL 1741, UL 1998, UL 9540, UL 1699B, IEEE 1547, FCC Part 15 (Class A & B), NEC 2014 |
Country of Origin: |
Germany / Austria |
DISCLAIMER: |
Product specifications are dependent on manufacturer information and are subject to change without notice. |
SMA Sunny Boy datasheet
