Charged Reviews · Quick reference

Fronius Primo 11.4-1 208-240

Brand
Fronius
Model
Primo 11.4-1 208-240
SKU / part number
4,210,076,800[1]
Category
Inverters
chargedreviews.com/inverters/fronius-primo-11-4-1-208-240

AC output

Continuous output11.4 kW[3]Calculated
Peak output?
AC configurationSingle-phase[1]
AC output voltage?
AC frequency?
Grid pass-through?
Maximum output per leg?

Battery

Battery voltage?
Battery voltage range?
Maximum charge current?
Maximum discharge current?
Battery-only output?
Maximum grid charging?
Compatible batteries / BMS?

PV input

PV array limit (connected)?
PV input limit (converted)?
Maximum PV voltage (Voc)1,000 V[2, 3]
MPPT voltage range240 to 800 V[3]
MPPT trackers2[1]
String inputs per MPPT?
PV current per MPPT?
PV short-circuit currentMPPT1 49.5 A, MPPT2 27.0 A[3]
PV startup voltage80 V[3]

Efficiency and modes

Peak efficiency97.9 %[1, 3]
CEC weighted efficiency96.5 %[1, 3]
Battery conversion efficiency?
Grid / off-grid modes?
Generator input?
Transfer time?
Idle consumption1 W[2]
Parallel units?

Communication and environment

Communications?
Operating temperature-40 to 60 °C[2, 3]
Enclosure ratingNEMA 4X[1]
Operating noise?

Mechanical

Dimensions226.1 D × 510.5 W × 723.9 H mm[2]
Weight37.4 kg / 82.45 lb[1, 3]

Installation (from the manual)

Not documented in the manual

Page 1 of 2 · Installation values · ? means nothing is recordedAggregated, often community-reported information, not official documentation. Do not rely on it for installation, purchase or compliance decisions; always confirm values with the manufacturer’s official documentation. Charged Reviews accepts no responsibility for errors.

Charged Reviews · Quick reference

Fronius Primo 11.4-1 208-240 · Primo 11.4-1 208-240

Warranty

Warranty term10 years[2]
Optional extension?
Coverage starts?
Coverage conditions?
Remedy?
Labor and shipping?
Transfer to another owner?
Registration?
Territory?

Certifications and listings

UL 1741ClaimedListed when checked[2]
UL 1741 SA?
UL 1741 SB?
IEEE 1547ClaimedListed when checked[2]ClaimedListed when checked[2]
CA Rule 21?
UL 9540?
FCC Part 15?
UL1998 (for functions: AFCI, RCMU and isolation monitoring)ClaimedListed when checked[2]
ANSI/IEEE C62.41ClaimedListed when checked[2]
FCC Part 15 A & BClaimedListed when checked[2]
NEC 2017 Article 690ClaimedListed when checked[2]
C22. 2 No. 107.1-16ClaimedListed when checked[2]
UL1699B Issue 2 -2013ClaimedListed when checked[2]
CSA TIL M-07 Issue 1 – 2013ClaimedListed when checked[2]

Documents and sources

  1. Fronius Primo 11.4-1 208-240 | Fronius USA technical data page (September 24, 2026 capture)Official product page · Revised Not stated · Checked https://www.fronius.com/en-us/usa/solar-energy/installers-partners/technical-data/all-products/inverters/fronius-primo-ul/fronius-primo-11-4-1-208-240-wlanlanwebserver
  2. Fronius datasheet: Fronius Primo 3.8-15.0 kW, USA (M,06,0229,EN-US, REV. 05/11/2023)Official datasheet · Revision M,06,0229,EN-US USA REV. 05/11/2023 · Revised Not stated · Checked https://www.fronius.com/~/downloads/Solar%20Energy/Datasheets/SE_DS_Fronius_Primo_EN_US.pdf
  3. Fronius Fronius Primo 208-240 Operating instructions (025-16102024)Official user manual · Revision 025-16102024 · Revised October 2024 · Checked https://manuals.fronius.com/html/4204102116/en-US.html