The Fronius Primo 4.6-1 perfectly completes the SnapINverter generation. This single-phase, transformerless device is the ideal inverter for private households. Its innovative SuperFlex Design provides maximum flexibility in system design, while the SnapINverter mounting system makes installation and maintenance easier than ever before. The communication package included as standard, with WLAN, energy management, several interfaces and much more besides, makes the Fronius Primo a communicative inverter for
owner-occupiers.
TECHNICAL DATA
Model: Fronius Primo 4.6-1
Part Number: 4,210,065
INPUT DATA
| Number of MPP trackers | 2 |
|---|---|
Max. input current (Idc max) | 12 / 12 A |
Max. short circuit current, module array* | 24 / 24 A |
DC input voltage range (Udc min – Udc max) | 80 – 1000 V |
Feed-in start voltage (Udc start) | 80 V |
Nominal input voltage (Udc,r) | 710 V |
MPP voltage range (Umpp min – Umpp max) | 240 – 800 V |
| Usable MPP voltage range | 80 – 800 V |
| Number of DC connections | 2 + 2 |
Max. PV generator power (Pdc max) | 6,9 kWpeak |
OUTPUT DATA
AC nominal output (Pac,r) | 4600 W |
|---|---|
Max. output power (Pac max) | 4600 VA |
AC output current (Iac nom) | 20 A |
Grid connection (Uac,r) | 1~ NPE 220/230 V |
AC voltage range (Umin – Umax) | 180 – 270 V |
Frequency (fr) | 50 / 60 Hz |
Frequency range (fmin – fmax) | 45 – 65 Hz |
| Total harmonic distortion | <3% @Pnom (230/400VAC 50Hz) |
Power factor (cos φac,r) | 0,85 – 1 ind,/cap, |
GENERAL DATA
Width | 432,5 mm |
|---|---|
Height | 642,5 mm |
Depth | 205,5 mm |
| Weight | 19,25 kg |
| Weight incl. packaging | 25,8 kg |
| Degree of protection | IP 65 |
| Protection class | 1 |
Overvoltage category (DC / AC) 1) | 2 / 3 |
| Night-time consumption | < 1 W |
| Inverter design | Transformerless |
| Cooling | Regulated air cooling |
| Installation | Indoors and outdoors |
| Ambient temperature range | -40°C – +55°C |
| Permitted humidity | 0 – 100 % |
Max. altitude 2) | 4,000 m |
| DC connection technology | 4x DC+ and 4x DC- screw terminals 2.5 – 16 mm² |
| AC connection technology | 3-pin AC screw terminals 2.5 – 16 mm² |
| Certificates and compliance with standards | DIN V VDE 0126-1-1/A1, IEC 62109-1/-2, IEC 62116, IEC 61727, AS 4777-2, AS 4777-3, G98/1, G99/1, CEI 0-21, VDE AR N 4105 |
| Interference emission class | B |
EFFICIENCY
| Max. efficiency (PV – grid) | 98,1 % |
|---|---|
| European efficiency (ηEU) | 97,0 % |
η at 5% Pac,r 3) | 80,8 / 82,5 / 82,5 % |
η at 10% Pac,r 3) | 88,9 / 94,4 / 92,9 % |
η at 20% Pac,r 3) | 93,0 / 97,0 / 95,9 % |
η at 25% Pac,r 3) | 93,9 / 97,2 / 96,6 % |
η at 30% Pac,r 3) | 94,5 / 97,3 / 96,9 % |
η at 50% Pac,r 3) | 95,6 / 97,9 / 97,6 % |
η at 75% Pac,r 3) | 96,0 / 97,9 / 97,8 % |
η at 100% Pac,r 3) | 96,2 / 97,9 / 98,0 % |
| MPP adaptation efficiency | > 99,9 % |
PROTECTION DEVICES
| DC insulation measurement | Yes |
|---|---|
| Overload behaviour | Operating point shift, power limitation |
| DC disconnector | Yes |
| DC Reverse polarity protection | Yes |
INTERFACES
| WLAN / Ethernet LAN | Fronius Solar.web, Modbus TCP SunSpec, Fronius Solar API (JSON) |
|---|---|
| 6 inputs and 4 digital inputs/outputs | Interface to ripple control receiver |
USB (type A socket) 4) | Data logging, inverter update via USB flash drive |
2x RS422 (RJ45 socket) 4) | Fronius Solar Net |
Signalling output 4) | Energy management (floating relay output) |
| Datalogger and web server | Integrated |
External input 4) | S0 meter connection / Evaluation of overvoltage protection |
| RS485 | Modbus RTU SunSpec or meter connection |
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