Solis 25kW 1000V Three Phase Grid-Tied Inverter

The Solis S6-GC25K-US-APST S6-GC25K-US is a three-phase, transformerless grid-tied inverter rated at 25 kW / 25 kVA for commercial and utility-scale solar arrays. It accepts up to 1000 V DC across 3 MPPTs and 6 input strings, delivers 480 V AC output at 60 Hz, and reaches 98.8% maximum efficiency (98.3% CEC). With a TYPE 4X, C5 anti-corrosion enclosure and natural cooling, it is built for demanding outdoor installations.

Key Features:

• 25 kW rated output, 25 kVA max apparent power
• 98.8% max efficiency, 98.3% CEC efficiency
• Transformerless topology, 3 MPPTs, 6 input strings
• Max input 1000 V, MPPT range 180-1000 V
• Start-up voltage 180 V, rated input 720 V
• Max input current 40 A, short circuit 63 A per input
• 480 V three-phase output at 60 Hz
• Integrated AFCI, rapid shutdown transmitter, DC/AC switch
• TYPE 4X enclosure, C5 anti-corrosion, -13°F to 140°F
• DC/AC Type II surge protection, 10-year warranty

Ideal for commercial and utility three-phase PV systems, this inverter connects via MC4 on the DC side and OT terminals (4 AWG to 3/0 AWG) on the AC side. Modbus RTU and RS485 communication, with optional Wi-Fi and cellular, support intelligent string monitoring and smart I-V curve scanning. Order the S6-GC25K-US-APST (also listed as S6GC25KUSAPST) from Circuit Solar, in stock in Canada and shipped from Red Deer, AB.