Fronius Verto 33.3 / SPD 1+2 Inventer

The Fronius Verto 33.3 is a high-performance, three-phase inverter designed for commercial and large residential photovoltaic systems. With four independent MPP trackers and integrated Type 1+2 surge protection on both AC and DC sides, it ensures optimal energy yields even under challenging conditions like partial shading. Its advanced safety features, including Arc Fault Circuit Interruption (AFCI), combined with a high efficiency of up to 97.47%, make it a reliable choice for maximizing solar energy production.

Specifications:

Power Output: 33.3 kW AC nominal power

MPP Trackers: 4 independent trackers with 2 inputs each

Efficiency: Up to 97.47% maximum efficiency

Surge Protection: Integrated AC and DC Type 1+2 SPD

Safety: Arc Fault Circuit Interruption (AFCI) for enhanced protection

Cooling: Active cooling system for optimal performance

Installation: Suitable for both indoor and outdoor setups (IP66 rated)

Monitoring: Integrated data logger with Wi-Fi, LAN, and RS485 interfaces

Input (DC):

Max. PV generator power: 50 kWpeak

Usable MPP voltage range: 150 – 870 V

Max. input current per MPPT: 28 A

Max. short-circuit current per MPPT: 50 A

Output (AC):

Nominal output power: 33.3 kW

Max. output power: 33.3 kVA

Max. output current: 53.7 A

Grid connection: 3~ (N)PE 400/230 V

Frequency: 50 Hz (range: 45–65 Hz)

General:

Dimensions (H x W x D): 865 x 574 x 278 mm

Weight: 44.75 kg

Operating temperature range: -40°C to +60°C

Max. altitude: 4000 m

Night-time consumption: <16 W

Sound emission: 54.6 dB(A)

Communication Interfaces:

Ethernet LAN RJ45 (10/100 Mbit)

WLAN (802.11b/g)

2x RS485 (Modbus RTU SunSpec / Fronius Smart Meter)

6x digital in/out + 6x digital in

Integrated web server and data logger

Protection and Safety:

Integrated DC disconnector

Residual Current Monitoring Unit (RCMU)

Overvoltage category: DC 2 / AC 3