| Sunny Boy 3000-US | Sunny Boy 3800-US | Sunny Boy 4000-US | |
| 208 V AC 240 V AC |
240 V AC | 208 V AC 240 V AC |
|
| Input (DC) | |||
| Max.recommended PV power (@ module STC) | 3750 W | 4750 W | 4375 W 5000 W |
| Max. DC power (@ cos ? = 1) | 3200 W | n. s. | 4200 W |
| Max. DC voltage | 500 V | 600 V | 600 V |
| DC nominal voltage | 250 V | 310 V | 310 V |
| MPP voltage range | 175 – 400 V 200 – 400 V |
250 – 480 V | 220 – 480 V 250 – 480 V |
| Min. DC voltage / start voltage | 175 / 228 V 200 / 228 V |
250 / 285 V | 220 / 285 V 250 / 285 V |
| Max. input current / per string (at DC disconnector) | 17 A / 17 A; 36 A @ combined terminal | 18 A / 18 A; 36 A @ combined terminal | 18 A / 18 A; 36 A @ combined terminal |
| Number of MPP trackers / fused strings per MPP tracker | 1 / 4 (DC disconnector) | 1 / 4 (DC disconnector) | 1 / 4 (DC disconnector) |
| Output (AC) | |||
| AC nominal power | 3000 W | 3800 W | 3500 W 4000 W |
| Max. AC apparent power | 3000 VA | 3800 VA | 3500 VA 4000 VA |
| Nominal AC voltage / adjustable | 208 V / yes 240 V / yes |
240 V / — | 208 V / yes 240 V / yes |
| AC voltage range | 183 – 229 V 211 – 264 V |
211 – 264 V | 183 – 229 V 211 – 264 V |
| AC grid frequency; range | 60 Hz; 59.3 – 60.5 Hz | 60 Hz; 59.3 – 60.5 Hz | 60 Hz; 59.3 – 60.5 Hz |
| Max. output current | 15 A 13 A |
16 A | 17 A |
| Power factor (cos ?) | 1 | 1 | 1 |
| Phase conductors / connection phases | 01. Feb | 01. Feb | 01. Feb |
| Harmonics | < 4 % | < 4 % | < 4 % |
| Efficiency | |||
| Max. efficiency | 96.0 % 96.5 % |
n. s. | 96.5 % 96.8 % |
| CEC efficiency | 95.0 % 95.5 % |
n. s. | 95.5 % 96.0 % |
| Protection devices | |||
| DC reverse-polarity protection | yes | yes | yes |
| AC short circuit protection | yes | yes | yes |
| Galvanically isolated / all-pole sensitive monitoring unit | yes /— | yes /— | yes /— |
| Protection class / overvoltage category | I / III | I / III | I / III |
| General data | |||
| Dimensions (W / H / D) in mm (in) | 450 / 350 / 235 (17.8 / 13.8 / 9.3) | 450 / 350 / 235 (17.8 / 13.8 / 9.3) | 450 / 350 / 235 (17.8 / 13.8 / 9.3) |
| DC Disconnect dimensions (W / H / D) in mm (in) | 187 / 297 / 190 (7.3 / 11.7 / 7) | 187 / 297 / 190 (7.3 / 11.7 / 7) | 187 / 297 / 190 (7.3 / 11.7 / 7) |
| Packing dimensions (W / H / D) in mm (in) | 390 / 580 / 470 (15 / 23 / 19) | 390 / 580 / 470 (15 / 23 / 19) | 390 / 580 / 470 (15 / 23 / 19) |
| DC Disconnect packing dimensions (W / H / D) in mm (in) | 580 / 400 / 270 (23 x 16 x 11) | 580 / 400 / 270 (23 x 16 x 11) | 580 / 400 / 270 (23 x 16 x 11) |
| Weight / DC Disconnect weight | 38 kg (84 lb) / 3.5 kg (8 lb) | 38 kg (84 lb) / 3.5 kg (8 lb) | 38 kg (84 lb) / 3.5 kg (8 lb) |
| Packing weight / DC Disconnect packing weight | 44 kg (97 lb) / 4 kg (9 lb) | 44 kg (97 lb) / 4 kg (9 lb) | 44 kg (97 lb) / 4 kg (9 lb) |
| Operating temperature range (full power) | –25 °C ... +45 °C / –13 °F ... +113 °F | –25 °C ... +45 °C / –13 °F ... +113 °F | –25 °C ... +45 °C / –13 °F ... +113 °F |
| Noise emission (typical) | 40 dB(A) | www.SMA-Solar.com | 37 dB(A) |
| Internal consumption: (night) | 0.1 W | www.SMA-Solar.com | 0.1 W |
| Topology | LF transformer | LF transformer | LF transformer |
| Cooling concept | OptiCool | OptiCool | OptiCool |
| Electronics protection rating / connection area | NEMA 3R / NEMA 3R | NEMA 3R / NEMA 3R | NEMA 3R / NEMA 3R |
| Features | |||
| Display: text line / graphic | yes /— | yes /— | yes /— |
| Interfaces: RS485 / Bluetooth | opt. / opt. | opt. / opt. | opt. / opt. |
| Warranty: 10 / 15 / 20 years | yes / opt. / opt. | yes / opt. / opt. | yes / opt. / opt. |
| Certificates and permits (more available on request) | UL1741, UL1998, IEEE 1547, FCC Part 15 (Class A & B) | UL1741, UL1998, IEEE 1547, FCC Part 15 (Class A & B) | UL1741, UL1998, IEEE 1547, FCC Part 15 (Class A & B) |
| Data at nominal conditions | |||
| Type designation | SB 3000US | SB 3800-US-10 | SB 4000US |
Downloads
Language:
Data sheet
|
233 KB |
SUNNY BOY 3000-US / 4000-US - The best in their class Type: Data sheet Language: English (US) Document number: SUNNYBOY34-DUS102720 Version number: 2.0 |
|
117 KB |
SB 3800U - Now Comes Standard with DC Disconnect and 4-String Combiner Type: Data sheet Language: English (US) Document number: SB3800U_Flyer_122806 |
|
180 KB |
Monitoring Solutions - Accurate revenue grade metering & data communication Type: Data sheet Language: English (US) Document number: POWERMEAS-HUS093016 Version number: 1.6 |
Installation Guide
|
2.818 KB |
Sunny Boy 3800U - Installation Guide Type: Installation Guide Language: English (US) Document number: SB3800U-12:SE2006 |
|
627 KB |
DC Disconnect Switch - For Sunny Boy 3300U / 3800U Inverters Type: Installation Guide Language: English (US) Document number: DC-Discon-U-11:SE4406 Version number: 1.1 |
|
172 KB |
DC Disconnect - Accessories for PV Inverters Type: Installation Guide Language: English (US) Document number: DC_Disc-IUS082311 Version number: 1.1 |
|
5.902 KB |
SUNNY BOY 3000US / 4000US - Installation Guide Type: Installation Guide Language: English (US) Document number: SB30-40US-IUS092024 Version number: 2.4 |
Technical Manual
|
80 KB |
TECHNICAL NOTE - DC Input Current Ratings for Sunny Boy Inverters Type: Technical Manual Language: English (US) Document number: TechNSBDCINPU-HUS094011 Version number: 1.1 |
|
53 KB |
TECHNICAL NOTE - DC Disconnect UL Listing Update Type: Technical Manual Language: English (US) Document number: TECHNOTE20A-HUS091712 Version number: 1.2 |
Certificate
|
197 KB |
Manufacturer's Declaration / Country of Origin Type: Certificate Language: English (US) Document number: MDCO_SBUS_ZUS090510 Version number: 1.0 |
|
26 KB |
Report on Static Inverters and Converters for Use in Independent Power Systems Type: Certificate Language: English (US) Document number: sb3800u |
Warranty
|
681 KB |
SMA Factory Warranty - Sunny Boy, Windy Boy, Sunny Mini Central, Sunny Tower, Sunny Boy Control (Light, Plus), Sunny Beam, Sunny WebBox, Sunny Matrix, Sunny SensorBox, SC/SB Combiner Boxes Type: Warranty Language: English (US) Document number: GEBED_SBSMC-ZUS100816 Version number: 1.6 |
Promotion Material
|
286 KB |
INVERTER GUIDE Type: Promotion Material Language: English (US) Document number: INVERTER_POSTER102808 Version number: |

SMA Feed