Leading Features

  • Designed to connect individual PV modules and perform DC to AC conversion.
  • Globally certified for c-ETL-us, SAA, TUV, VDE-AR-N 4105, VDE 0126, G83/2
  • Very simple installation with built-in cables and connectors.
  • NEMA-6 enclosure rating
  • NEMA-6/IP/IP-66/IP-67 enclosure ratin
  • Integrated monitoring and power line communication with BDG-256 gateway
  • Integrated grounding for easy installation.

Data Sheet

Type URE-250-240A
Input (DC)
Max Recommended PV Power (Wp) 285
Max DC Open Circuit Voltage (Vdc) 60
Max DC Input Current (Adc) 12
MPPT Tracking Accuracy >99.5%
MPPT Tracking Range (Vdc) 22-55
Isc PV (absolute maximum) (Adc) 14
Maximum Inverter Backfeed Current to the Array (Adc) 0
Output (AC)
Rated AC Output power (Wp) 220
Nominal power Grid Voltage (Vac) 240
Allowable Power Grid Voltage (Vac) 211-264*
Allowable Power Grid Frequency (Hz) 59.3-60.5*
THD <3% (at rated power)
Power Factor (cos phi, fixed) >0.99%
Rated Output Current (Aac) 0.92
Current (inrush) (Peak and Duration) 12A, 15us
Nominal Frequency (Hz) 60
Maximum Output Fault Current (Aac) 2.2A peak
Maximum Output Over current Protection (Aac) 6.3
Max. Number of Units Per Branch (20A/15A circuit) 13
System Efficiency
Weighted Averaged Efficiency (CEC) 95%
Night Time Tare Loss (Wp) 0.17


Over/Under Voltage Protection Yes
Over/Under Frequency Protection Yes
Anti-Islanding Protection Yes
Over Current Protection Yes
Reverse DC Polarity Protection Yes
Overload Protection Yes
Protection Degree NEMA-6/IP-66/IP-67
Environment Temperature -40C–+65C
Communications Power Line
Dimension (W-H-D mm) 230*138*35
Weight (Kg) 2.0
Environment Category Indoor and outdoor
Wet Location SUITABLE
Pollution Degree PD 3
Maximum Altitude 2000 M
Overvoltage Category II(PV), III (AC MAINS)
Product Safety Compliance UL 1741 CSA C22.2 No. 107.1
Grid Code Compliance* (Refer to the label for the detailed grid code Compliance) IEEE 1547
  • Grid parameters are configurable through  BDG-256 or BDG-256P3 gateway compliance
  • NEC 2014 Section 690.11 DC  Arc-Fault Circuit Protection
  • NEC 2014 Section 690.12 Rapid Shutdown of PV System on Buildings NEC 2014 Section 705.12 Point of Connection (AC Arc-Fault Protection)