Sunny Boy-3000-US / 3800-US / 4000-US

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Sunny Boy-3000-US / 3800-US / 4000-US
Maximum product variety for the small to medium power range
Innovative product solutions for small to medium photovoltaic plants, combined with a comprehensive range of support and auxiliary services worldwide: in the Medium Power Solutions Division, solar power professionals and plant designers will find innovative product solutions and professional support for the installation of plants in the private and commercial sector. Combining state of the art, award-winning technology.
The Sunny Boy solar inverters characterize the Technology- and Quality-Leadership of our company. They are optimally suitable for use in small and mid-range systems. They impress with first class efficiency, user-friendliness and reliability.
Sunny Boy 3000-US / 3800-US / 4000-US
UL certified, reliable system managers
Specially designed for countries that require UL certification, these Sunny Boy inverters guarantee a safe installation process thanks to the automatic grid voltage detection*. The integrated DC circuit breaker simplifies the installation process and saves installation costs. Since the devices are suitable for PV array grounding, they can be combined with all module types. In addition, OptiCool guarantees the highest yields possible and a long service life, even under extreme conditions. The Sunny Boy 3800-US is designed for projects with a current limit of 16 A.
* US patent US7352549B1
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UL Certified
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Reliable
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Economical
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Simple
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Sunny Boy 3000-US |
Sunny Boy 3800-US |
Sunny Boy 4000-US |
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208 V 240 V |
240 V |
208 V 240 V |
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| Input (DC) | |||
| Recommended max. PV power (@ module STC) | 3750 W | 4750 W | 4375 W |
| Max. DC power (@ cos φ=1) | 3200 W | 4200 W | 4200 W |
| Max. input voltage | 500 V | 600 V | 600 V |
| MPP voltage range / rated input voltage | 200 V – 400 V / 250 V | 250 V – 480 V / 310 V | 250 V – 480 V / 310 V |
| Min. input voltage / initial input voltage | 175 V / 228 V | 250 V / 285 V | 250 V / 285 V |
| Max. input current | 17 A | 18 A | 18 A |
| Max. string fuse at DC switch-disconnector | 20 A | 20 A | 20 A |
| Number of independent MPP inputs | 1 | 1 | 1 |
| Strings per MPP input (@ DC disconnector) | 4 | 4 | 4 |
| Output (AC) | |||
| Rated output power / max. apparent AC power | 3000 W / 3000 VA | 3800 W / 3800 VA | 4000 W / 4000 VA |
| nominal AC voltage / nominal AC voltage range |
208 V / 183 V – 229 V 240 V / 211 V – 264 V |
240 V / 211 V – 264 V |
208 V / 183 V – 229 V 240 V / 211 V – 264 V |
| Rated power frequency / rated power voltage |
60 Hz / 208 V 60 Hz / 240 V |
60 Hz / 240 V |
60 Hz / 208 V 60 Hz / 240 V |
| AC power frequency / range | 60 Hz / 59.3 Hz ... 60.5 Hz | 60 Hz / 59.3 Hz ... 60.5 Hz | 60 Hz / 59.3 Hz ... 60.5 Hz |
| Max. output current |
15 A 13 A |
16 A |
17 A 17 A |
| Power factor at rated output power | 1 | 1 | 1 |
| Feed-in phases / connection phases | 1 / 2 | 1 / 2 | 1 / 2 |
| Efficiency | |||
| CEC efficiency / max. efficiency |
95 % / 96 % 95.5 % / 96.5 % |
96 % / 96.8 % |
95.5 % / 96.5 % 96 % / 96.8 % |
| Protection | |||
| DC reverse-polarity protection | yes | yes | yes |
| AC short-circuit current capability | yes | yes | yes |
| Galvanically isolated | yes | yes | yes |
| All-pole sensitive residual current monitoring unit | — | — | — |
| Protection class (according to IEC 62103) | I | I | I |
| Overvoltage category (according to IEC 60664-1) | III | III | III |
| General Data | |||
| Dimensions (W / H / D) |
450 / 350 / 235 mm (17.8 / 13.8 / 9.3 inch) |
450 / 350 / 235 mm (17.8 / 13.8 / 9.3 inch) |
450 / 350 / 235 mm (17.8 / 13.8 / 9.3 inch) |
| Dimensions of DC Disconnect (W / H / D) |
187 / 297 / 190 mm (7.3 / 11.7 / 7.5 inch) |
187 / 297 / 190 mm (7.3 / 11.7 / 7.5 inch) |
187 / 297 / 190 mm (7.3 / 11.7 / 7.5 inch) |
| Weight | 38 kg / 84 lb | 38 kg / 84 lb | 38 kg / 84 lb |
| Weight of DC Disconnect | 3.5 kg / 8 lb | 3.5 kg / 8 lb | 3.5 kg / 8 lb |
| Operating temperature range | -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) | 37 dB(A) | 37 dB(A) |
| Internal consumption (night) | 0.1 W | 0.1 W | 0.1 W |
| Topology | LF transformer | LF transformer | LF transformer |
| Cooling concept | OptiCool | OptiCool | OptiCool |
| Degree of protection | NEMA 3R | NEMA 3R | NEMA 3R |
| Degree of protection of connection area | NEMA 3R | NEMA 3R | NEMA 3R |
| Climatic category (according to IEC 60721-3-4) | — | — | — |
| Maximum permissible value for relative humidity | 100 % | 100 % | 100 % |
| Features | |||
| DC terminal | Screw terminal | Screw terminal | Screw terminal |
| AC terminal | Screw terminal | Screw terminal | Screw terminal |
| Display | Text line | Text line | Text line |
| Interface: RS485 / Bluetooth | opt. / opt. | opt. / opt. | opt. / opt. |
| Warranty: 10 / 15 / 20 years | yes / opt. / opt. | yes / opt. / opt. | yes / opt. / opt. |
| Certificates and approvals (more available on request) | UL1741, UL1998, IEEE1547, FCC Part 15 (Class A & B), CAN/CSA C22.2 107.1-1 | UL1741, UL1998, IEEE1547, FCC Part 15 (Class A & B), CAN/CSA C22.2 107.1-1 | UL1741, UL1998, IEEE1547, FCC Part 15 (Class A & B), CAN/CSA C22.2 107.1-1 |
| Data at nominal conditions | |||
| Type designation | SB 3000US | SB 3800-US-10 | SB 4000US |
Additional Information
- manufacturer: SMA Solar Technology / Germany /














