SMA Sunny Tripower 125kW Solar Inverter - Three Phase

SMA Solar SKU: STP125-70

More Details

SMA Sunny Tripower 125kW Solar Inverter - Three Phase delivers high-yield performance, smart integration, and safety features for large-scale commercial PV systems. Ideal for rooftop and ground-mounted installations needing maximum flexibility and reliability.

Documents

SMA Sunny Tripower 125kW Solar Inverter - Three Phase

The SMA Sunny Tripower 125 is a three-phase grid-tied solar inverter rated at 125 kW for PV system conversion on commercial and larger rooftop installations. It offers 12 independent MPP trackers, IP65 protection, and integrated DC and communication interfaces for system integration.

Key Features
125 kW three-phase inverter

Rated AC output of 125,000 W with 3-phase 3-N-PE connection.

12 MPP trackers, 24 string inputs

Supports array designs with multiple string combinations and independent tracking.

IP65 enclosure protection

Provides dust and water ingress protection for installed PV environments.

Max. efficiency 98.4%

High conversion efficiency with 98.1% European efficiency.

Integrated safety and communications functions

Includes SMA ShadeFix, SMA Smart Connected, SMA ArcFix, Ethernet/Wi-Fi, and SMA Modbus, SunSpec Modbus and Speedwire support.

Benefits
  • Supports three-phase AC connection for grid-tied PV installations.
  • Multiple MPP trackers and string inputs assist with varied array layouts.
  • IP65 protection supports installation in dust- and water-exposed environments.
  • ShadeFix can help maintain output where some modules are shaded.
  • ArcFix and Smart Connected add safety and fault detection functions.
Technical Summary

Model STP 125-70. Rated power 125,000 W; rated apparent power 125,000 VA. Three-phase 3-N-PE AC connection at 230/400 V, 50 Hz nominal grid frequency. AC voltage range 320 V to 480 V. DC side supports 1100 V maximum input voltage, 180 V to 1000 V MPP range, 450 V to 850 V MPP range for rated power, and up to 30 A usable input current per MPP tracker. Cooling concept: OptiCool. Topology: no galvanic isolation. Dimensions 1020 x 795 x 360 mm; weight approx. 96 kg.

Installation Notes

Mounting options are wall mounting or rack mounting. DC connection uses Sunclix and AC connection uses terminal lug up to 240 mm². Operating temperature range is -25°C to +60°C. The unit includes Ethernet/Wi-Fi communication interfaces.

Efficiency

Maximum efficiency is 98.4% and European efficiency is 98.1%. SMA ShadeFix is included for partial-shading conditions.

Weight (kg)

96

Communication

Ethernet, Wi-Fi

Nominal Voltage (V)

400.00

Manufacturer

SMA Solar

Commodity Code

8504408490

Dimensions (mm) (H x W x D)

795 x 1020 x 360

PDF Icon

SMA Tripower 125 Datasheet V10

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