PowerUNO Manual

By Erik Zaikin
4 min read

PowerUNO Hybrid String Inverter Overview

The Better 1-Phase PowerUNO

Key Features:

  1. Flexibility:

    • Battery-ready inverter, supporting both DC or AC coupling.
    • Provides backup power up to 5 kW.

  2. Installability:

    • Plug & play connections for easy setup.
    • Integrated spirit level for precise installation.

  3. Security:

    • Patented Arc Fault Circuit Interrupter (AFCI) for enhanced safety.
    • PLC Rapid Shutdown compatibility.

  4. Connectivity:

    • Embedded Wi-Fi, Ethernet, and USB ports.
    • Blockchain ready.

Technical Specifications

Inverter Models:

  • FIM-HY-2.0-SE-A-1PH
  • FIM-HY-3.3-SE-A-1PH
  • FIM-HY-4.0-SE-A-1PH
  • FIM-HY-4.6-SE-A-1PH
  • FIM-HY-5.0-SE-A-1PH
  • FIM-HY-6.0-SE-A-1PH

Input Side:

  • Absolute Maximum DC Input Voltage (Vmax, abs): 600 V
  • Start-up DC Input Voltage (Vstart):
    • 150 V (adjustable 120...350 V)
    • 200 V (adjustable 150...350 V, 180...350 V, 200...350 V depending on the model)
  • Operating DC Input Voltage Range (Vdcmin...Vdcmax): 0.7 x Vstart…580 V (min 90 V)
  • Rated DC Input Voltage (Vdcr): 390 V
  • Rated DC Input Power (Pdcr):
    • 2055 W to 6122 W depending on the model
  • DC/AC Ratio: Up to 200%, depending on location
  • Number of Independent MPPT: 1-2 depending on the model
  • Maximum DC Input Power for Each MPPT (PMPPT max):
    • 2305 W to 4592 W, linear derating [500 ≤ VMPPT ≤ 570 V]
  • DC Input Voltage Range with Parallel Configuration of MPPT at Pacr: 135…500 V to 200…500 V depending on the model
  • Maximum DC Input Current (Idc max) / for Each MPPT (IMPPT max):
    • 26 A / 13 A to 32.5 A / 19.5 A-13 A depending on the model
  • Maximum Input Short Circuit Current for Each MPPT: 20 A to 24 A depending on the model
  • Number of DC Inputs Pairs for Each MPPT: 1-2 depending on the model
  • DC Connection Type: PV quick fit connector

Input Protection:

  • Reverse Polarity Protection: Yes, from limited current source
  • Input Over Voltage Protection for Each MPPT - Varistor: Yes, TYPE II protection class
  • Photovoltaic Array Isolation Control: According to local standard
  • DC Switch Rating for Each MPPT: 25A / 600 V

Battery Port:

  • Operating DC Voltage Range: 350...500 V
  • PowerX Max. Units: 3
  • Max. Charge/Discharge Power: 2000 W to 6000 W depending on the model

Grid Connected Output Side:

  • AC Grid Connection Type: Single-phase
  • Rated AC Power (Pacr @cosφ=1): 2000 W to 6000 W depending on the model
  • Maximum AC Output Power (Pacmax @cosφ=1): 2000 W to 6000 W depending on the model
  • Maximum Apparent Power (Smax): 2000 VA to 6000 VA depending on the model
  • Rated AC Grid Voltage (Vac, r): 220 / 230 / 240 V
  • AC Voltage Range: 180...264 V
  • Maximum AC Output Current (Iac max): 9.6 A to 27.2 A depending on the model
  • Contributory Fault Current: 9.6 A to 27.2 A depending on the model
  • Rated Output Frequency (fr): 50 Hz / 60 Hz
  • Output Frequency Range (fmin...fmax): 45...55 Hz / 55…65 Hz
  • Nominal Power Factor and Adjustable Range: > 0.995, adj. ± 0.8 - 1 (over/under excited)
  • Total Current Harmonic Distortion: < 3 %
  • AC Connection Type: Female panel connector

Grid Connected Output Protection:

  • Anti-Islanding Protection: According to local standard
  • Maximum External AC Overcurrent Protection: 16.0 A to 32.0 A depending on the model
  • Output Overvoltage Protection - Varistor: 2 (L - N / L - PE), TYPE II protection class

Efficiency:

  • Maximum Efficiency: 98.2 %
  • MPPT Efficiency: 99.9 %

Backup Output Side:

  • AC Grid Connection Type: Single-phase
  • Maximum Apparent Power (Smax): 2000 VA to 6000 VA depending on the model
  • Rated AC Grid Voltage (Vacr): 220 / 230 / 240 V
  • AC Voltage Range: 180...264 V
  • Maximum AC Output Current (Iac max): 9.6 A to 27.2 A depending on the model
  • Rated Output Frequency (fr): 50 Hz / 60 Hz
  • Output Frequency Range (fmin...fmax): 45...55 Hz / 55…65 Hz
  • AC Connection Type: Female panel connector
  • Backup Output Protection:
    • Maximum External AC Overcurrent Protection: 16.0 A to 25.0 A depending on the model
    • Output Overvoltage Protection - Varistor: 2 (L - N / L - PE), TYPE II protection class

PowerUNO: Multi-Inverter Energy Management

Embedded Communication:

  • Physical Interface: Wi-Fi, Ethernet, RS-485
  • Communication Protocols: Modbus TCP (SunSpec), Modbus RTU (SunSpec)
  • Datalogger Data Retention: 30 days
  • Remote Monitoring:
    • Energy Viewer (mobile APP)
    • Energy Viewer Web
    • Plant Portfolio Manager
  • Local Monitoring: Energy Viewer (mobile APP)

Environmental:

  • Ambient Temperature Range: -25...+60°C with derating above 50°C (except FIM-HY-6.0-SE-A-1PH derating above 45°C)
  • Relative Humidity: 4…100 % condensing
  • Acoustic Noise Emission Level: < 30 dB (A) @ 1 m
  • Maximum Operating Altitude Without Derating: 2000 m / 6560 ft

Physical:

  • Environmental Protection Rating: IP65
  • Cooling: Natural
  • Dimension (H x W x D): 330 mm x 470 mm x 182 mm
  • Weight: 12 kg
  • Mounting System: Wall bracket

Safety:

  • Isolation Level: Transformerless
  • Marking: CE, RCM
  • Safety and EMC Standard: IEC/EN 62109-1, IEC/EN 62109-2, IEC 62477-1, EN 61000-6-2, EN 61000-6-3, EN 61000-3-2, EN 61000-3-3, EN 61000-3-11, EN 61000-3-12
  • Grid Standards: CEI 0-21, EN 50549-1, DIN V VDE V 0126-1-1, VDE-AR-N 4105, AS/NZS 4777.2, IEC 61727, IEC 62116 (Further grid standards available, refer to FIMER’s Solar page for details)

Other Features:

  • Load Manager: Yes, with integrated relays
  • AC Backup Output, Off-Grid: Yes
  • Battery Charge from AC: Yes, using time of usage policy
  • AC-Coupled Mode: Yes, settable during commissioning

Additional Features:

  • Real-time monitoring: 24 / 7 for commissioning, no tools required.
  • Backup transition: <2 seconds.
  • CPU Performance: +55%.
  • Switching Frequency: Twice as fast.
  • Time Saving for Commissioning: +40%.
  • Noise Reduction: -20 dB (A).
  • Battery: 100% setup ready.
  • SG Ready & EV Charger: Connected via Ethernet and Wi-Fi.
  • Blockchain Ready: Integrated.

Inverter Models and Performance

Models:

  • FIM-HY-2.0-SE-A-1PH: 2000 W rated AC power
  • FIM-HY-3.3-SE-A-1PH: 3300 W rated AC power
  • FIM-HY-4.0-SE-A-1PH: 4000 W rated AC power
  • FIM-HY-4.6-SE-A-1PH: 4600 W rated AC power
  • FIM-HY-5.0-SE-A-1PH: 5000 W rated AC power
  • FIM-HY-6.0-SE-A-1PH: 6000 W rated AC power