Works fine without the portal you just don’t have a way of monitoring your output but the LEDs tell you when it’s working or not. Specifications Input Values (240V) Recommended max PV Power PPV 2800 to 3000 Wp STC Max DC Power PDC, max 2500 Wp PTC Max DC Voltage VDC, max 600 Vdc PV Voltage range, MPP VPV 250V to 550V Max input current IPV, max 10.5 A DC Voltage ripple VPP < 10% DC Disconnectors Optional external DC Disconnect/Breaker Pole confusion protection Short Circuit diode Ground fault protection IDif > 1000 mA Input Values (208V) Recommended max PV Power PPV 2300 to 2500 Wp STC Max DC Power PDC, max 2100 Wp PTC Max DC Voltage VDC, max 600 Vdc PV Voltage range, MPP VPV 225V to 550V Max input current IPV, max 10.5 A DC Voltage ripple VPP < 10% DC Disconnectors Optional external DC Disconnect/Breaker Pole confusion protection Short Circuit diode Ground fault protection IDif > 1000 mA Output Values (240V) Max AC Power PAC 2500 W Nominal AC Power PAC 2200 W Total Harmonic Distortion THDIAC < 4% (With KVgrid < 2% and PAC > 0.5 PACnom) Operating Range, Grid Voltage VAC 211 V to 264 V Operating Range, Grid Frequency fAC 59.3 Hz – 60.5 Hz Phase Shift Ref. Fundamental cos(phi) 0° Output Values (208V) Max AC Power PAC 2100 W Nominal AC Power PAC 1850 W Total Harmonic Distortion THDIAC < 4% (With KVgrid < 2% and PAC > 0.5 PACnom) Operating Range, Grid Voltage VAC 183 V to 229 V Operating Range, Grid Frequency fAC 59.3 Hz – 60.5 Hz Phase Shift Ref. Fundamental cos(phi) 0° Output Protection Islanding Protection VAC; fAC in accordance with UL 1741 Ground Fault Protection IDIF; In accordance with UL 1741 AC Disconnect External AC Breaker Short Circuit Protection Current Controlled Overvoltage Classification III Testing voltage (50 Hz) 2.88 kV (1s) Testing voltage for surge 4 kV (serial interface 6 kV) (1.2/50 us) Efficiency Peak Efficiency 94.10 % (Rebate Efficiency) Euro – ETA Efficiency 93.20 % (Nominal Efficiency) Power Consumption Internal consumption in operation < 7 W Internal consumption at night 0.25 W American Standards Hardware Safety UL 1741 Firmware Safely UL 1998 Power Quality IEEE 519 Anti-Islanding IEEE 929 Surge Testing ANSI C62.41, C1 & C3 Electro-Magnetic Interference FCC Part 15 A & B Size and Weight Width 434 mm Height 295 mm Depth 214 mm Weight ca. The item "SMA Sunny Boy SWR-2500U Grid Tie Inverter 240V with 485USPB-NR card NO LCD" is in sale since Friday, May 19, 2017. This item is in the category "Home & Garden\Home Improvement\Electrical & Solar\Alternative & Solar Energy\Chargers & Inverters". The seller is "lucanus19" and is located in Hotchkiss, Colorado. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Russian federation, Israel, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia.

• Brand: SMA
• Model: SWR-2500U
• MPN: Sunny Boy
• Country/Region of Manufacture: Germany