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SMA Tripower STP 4.0-3AV-40

SMA Tripower STP 4.0-3AV-40

Regular price € 1,709
Regular price Sale price € 1,709
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SMA Sunny Tripower STP 4.0-3 AV-40 – 4 kW Three-Phase Photovoltaic Inverter Sunny Tripower Series

The SMA Sunny Tripower STP 4.0-3 AV-40, part of the SMA Sunny Tripower series and available through Ecogenera, is a high-quality three-phase photovoltaic inverter designed for small residential and commercial photovoltaic systems. It offers high efficiency, configuration flexibility, and easy installation, integrating 2 independent MPPTs and remote monitoring via SMA Smart Connected to optimize solar energy production.

Key Features

  • Rated power of 4,000 W / 4 kW – Ideal for small three-phase systems
  • 2 independent MPPTs – Advanced optimization of photovoltaic production
  • Compatibility with Sunny Portal and SMA Smart Connected
  • Compatibility with SMA inverters and systems
  • IP65 protection rating and CEI 0-21, IEC certifications

Why Choose It

It reduces installation times, increases energy efficiency, and ensures long-term reliability thanks to SMA Smart Connected technology and a design focused on continuity of service.

Technical Specifications

Brand SMA
Model Sunny Tripower STP 4.0-3 AV-40
Series Sunny Tripower
Product Type Three-phase photovoltaic inverter
Power / Capacity 4,000 W / 4 kW
Input / Output Max Voc 850 V – 2 MPPT – Range 150–800 V
Yield / Efficiency 98.3% (maximum) – 97.8% (European)
Interfaces Ethernet, RS485, WLAN
Protection IP65 – Type II overvoltage protection on DC and AC sides
Certifications CEI 0-21, IEC
Dimensions / Weight 460 × 497 × 176 mm – 17 kg
Operating Temperature –25°C / +60°C
Warranty 5 years, extendable

Compatibility

  • Inverter: Compatible with SMA Sunny Tripower series inverters
  • Batteries/Storage: Integration with SMA systems via external management
  • Monitoring Systems: SMA Sunny Portal, SMA Smart Connected

Installation and Use

Indoor or outdoor installation thanks to the IP65 protection rating. Requires a three-phase connection, MPPT configuration, and registration on Sunny Portal. Average installation time: approximately 2 hours.

Frequently Asked Questions

What is the SMA Sunny Tripower STP 4.0-3 AV-40 used for?

This three-phase photovoltaic inverter optimizes energy production from solar systems up to 4 kW, managing two independent strings via dual MPPT and SMA remote monitoring.

Is it compatible with my system?

Compatible with three-phase photovoltaic systems up to 4 kW. It supports voltages up to 850 V and works perfectly with SMA Smart Connected systems and Sunny Portal.

What is the difference between Sunny Tripower and STP 4.0-3 AV-40?

Sunny Tripower is the name of the SMA three-phase inverter range, while STP 4.0-3 AV-40 is the specific 4,000 W / 4 kW model suitable for small systems.

Can it be installed outdoors?

Yes, thanks to the IP65 protection rating and resistance to temperature variations up to +60°C.

Related products: SMA three-phase | Data sheet

Do you have questions about sizing or compatibility? Request technical advice.

Related terms and use cases

Synonyms and related queries: SMA inverter, Sunny Tripower inverter, STP 4.0-3AV-40, 4 kW photovoltaic inverter, three-phase solar inverter, 4kW solar inverter, dual MPPT, SMA remote monitoring.

Important notes: Shipping and order handling costs are not included and will be communicated later during the quoting phase. These costs are due regardless of the chosen delivery method, including pickup at the premises.

Product prices may vary depending on availability and supplier terms at the time of the quote request. Images are for illustrative purposes only and may not accurately reflect the actual product; descriptions may contain errors. We recommend always checking the manufacturer's technical data sheet.

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