The Fronius Primo 12.5-1 208-240VAC (Part Number: 4,210,077,800) is a transformerless single-phase string inverter delivering 12.5 kW of AC output power for residential and light commercial solar applications.

Key Features:

• SnapINverter hinge mounting system
• Dual MPP trackers
• Wide input voltage range: 80V–1,000V
• Wi-Fi® and Ethernet LAN connectivity
• Free monitoring via Fronius Solar.web
• NEMA 4X protection class
• AFCI, Rapid Shutdown compliant (NEC 2017)
• Made in Austria

Technical Specifications:

• Part Number: 4,210,077,800
• AC Output Power: 12,500 VA (208V/240V)
• AC Output Voltage: 208/240V single-phase
• Frequency: 60 Hz
• Max. Input Voltage: 1,000V DC
• MPP Voltage Range: 260–800V
• Number of MPP Trackers: 2
• Max. Usable Input Current (MPPT1/MPPT2): 33A/18A
• Max. Efficiency: 96.7%
• Dimensions: 20.1 x 28.5 x 8.9 in
• Weight: 82.5 lbs
• Protection Class: NEMA 4X
• Operating Temperature: -40°F to +140°F

Warranty: 10 years standard; extensions up to 15 and 20 years available.

Datasheet: Fronius Primo Datasheet