Fronius TAURO 50-3-D (3MPPT, DC/AC OVP 1+2)

Three-phase Fronius Tauro inverter with a power of 50 kW ensures unparalleled performance even in the most demanding operating conditions. Its advanced hardware concept not only minimizes Balance of System (BOS) costs but also opens up new possibilities for flexible system design. The Fronius Tauro 50-3-D inverter enables complex implementations both in centralized (P variant) and distributed (D variant) forms for advanced rooftop installations. Easy installation and rapid service guarantee the highest level of safety among available market solutions.

*BOS costs (Balance of System) include all additional expenses, such as wiring, DC boxes, distribution boards, etc.

The Fronius Tauro 50-3-D is designed to achieve excellent results.

Key features of the TAURO 50-3-D inverter:

Flexibility in installation design
Maximum performance even up to 50°C
Direct sunlight
Cost optimization
Active cooling with double walls
Exchangeable power modules
Made in Austria / EU
Technical data of the TAURO ECO 50-3-D inverter

INPUT DATA
Number of MPP trackers: 3
Max. input current (Idc max_inverter): 134 A
Range of DC input voltages (Udc min - Udc max): 400 - 870 V
Start-up voltage (Udc start): 200 V
Max. PV generator power (Pdc max): 75 kWpeak
Max. input current PV1 (Idc max, PV1): 36 A
Max. input current PV2 (Idc max, PV2): 36 A
Max. input current PV3 (Idc max, PV3): 72 A
Max. short-circuit current PV1 (Isc max, PV1): 72 A
Max. short-circuit current PV2 (Isc max, PV2): 72 A
Max. short-circuit current PV3 (Isc max, PV3)*: 125 A
Max. PV installation power PV1 (Pdc max, PV1): 25 kWpeak
Max. PV installation power PV2 (Pdc max, PV2): 25 kWpeak
Max. PV installation power PV3 (Pdc max, PV3): 50 kWpeak
Max. inverter short-circuit current (Isc max, inverter): 240 A
Max. string short-circuit current (Isc max, String): 20 A
Max. string input current (Idc max, String): 14.5 A
Number of DC connections PV1: 4
Number of DC connections PV2: 3
Number of DC connections PV3: 7
Max. string short-circuit current - version 30 A: 30 A
Max. string input current - version 30 A: 22 A
Number of DC connections PV1 - version 30 A: 4
Number of DC connections PV2 - version 30 A: 5
Number of DC connections PV3 - version 30 A: 5

OUTPUT DATA
AC nominal power (Pac, r): 50 kW
Max. output power (Pac max): 50 kVA
AC output current (Iac nom): 75.8A at 220Vac, 72.5A at 230Vac
Grid connection (Uac, r): 3~ NPE 380/220, 3~ NPE 400/230 V
AC voltage range (Umin - Umax): 180 - 270 V
Frequency (fr): 50/60 Hz
Frequency range (fmin - fmax): 45 - 65 Hz
Non-linear distortion factor <3% @Pnom (230/400VAC 50Hz)
Power factor (cos φac, r) 1 ind./cap.

GENERAL DATA
Dimensions Length 1109 mm
Dimensions / width: 755 mm
Dimensions (depth): 346.2 mm
Weight: 92 kg
Weight with packaging: 111 kg
Protection class: IP65
Protection class: 1
Surge category (DC/AC) 1): 2 / 3
Night energy consumption: 15 W
Installation: Installation inside and outside buildings 4)
Ambient temperature range: -40°C - +65°C (optional AC disconnect mounted inside the inverter: from –30
Permissible air humidity: 0-100 %
Maximum height above sea level 2): 4000 m
Inverter construction concept: Transformerless
Cooling: Active Cooling Technology and Double-Wall System
Noise emission: 68.4 dB(A)

PROTECTION
DC insulation measurement: Integrated
Behavior in case of overload: Shift of operating point, power limiter 5)
DC disconnect: Integrated
Integrated RCMU: Integrated
Surge protection: Type 1 + 2 integrated, type 2 optional 6)
Fuse protection: Integrated, 15 A or 20 A

AC CONNECTION TECHNOLOGY
Cable diameter: 35 - 240 mm²
Conductor material: Al; Cu
Connection terminals: Cable lug or V-type terminals
Single-core option (single-core cable): Cable gland: 5 × M40 (10 - 28 mm)
Multi-core option (multi-core cable): Cable gland: 1 × Multi Core Ø 16–61.4 mm + 1 × M32 (10 - 25 mm)
AC chain connection option (single-core wire): Cable gland: 10 × M32 (10 - 25 mm)
DC CONNECTION TECHNOLOGY
Cable diameter: 4 - 6 mm²
Conductor material: Cu
Connection terminals: Direct DC connection, Stäubli Multi Contact MC4

Fronius TAURO 50-3-D products come with a standard two-year warranty, which can be extended free of charge to 5 years by simple registration on the Fronius Solar.web portal.
Registering the inverter on Solar.web offers many benefits, including:
• Warranty protection for up to 5 years for registered products.
• Free monitoring of the photovoltaic system's performance on the Fronius Solar.web portal.
• Regular information about new features, accessories, compatible batteries, and solutions for home automation.