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String solar inverter Stromherz S-45K-UA (45 kW, 3 phases, 4 MPPT)

Brand: Stromherz Model: S-45K-UA SKU: 00097
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Brand: Stromherz
129 920.00 ₴
Delivery
Self-delivery Self-delivery
Nova Poshta Nova Poshta
Ukrposhta Ukrposhta
By courier around the city (Kyiv) By courier around the city (Kyiv)
Payment
Payment to the current account Payment to the current account
Payment to a bank card Payment to a bank card
Cash on delivery Cash on delivery
String solar inverter Stromherz S-45K-UA (45 kW, 3 phases, 4 MPPT)
129 920.00 ₴
Description

Grid-tied Solar Inverter Stromherz S-45K-UA (45 kW, 3-phase, 4 MPPT)


Efficient Inverter for Commercial Solar Plants


Stromherz S-45K-UA is a powerful grid-tied inverter with an output of 45 kW and four MPPT trackers. It is ideal for medium-sized commercial and industrial PV systems, ensuring optimal energy production even with partial shading or varying panel tilt angles.


Manufacturer Stromherz


German Innovation and Quality


Stromherz is a German manufacturer of inverters and energy storage systems, founded in 2010. The company combines advanced semiconductor solutions and digital control algorithms to ensure high reliability and long equipment lifespan. Interesting fact: The total installed capacity of Stromherz inverters in Europe exceeds 2.5 GW.


Overview of the S-45K-UA Grid Inverter


Compact Design with Extended Functionality


The Stromherz S-45K-UA is equipped with four MPPT trackers, allowing solar panel arrays to be split into independent sections for improved efficiency. Its IP65-rated enclosure and passive cooling ensure silent and long-lasting operation both outdoors and indoors.


Working Principle of the S-45K-UA Inverter


Precise Maximum Power Point Tracking


The inverter converts direct current from photovoltaic modules into clean three-phase alternating current synchronized with the grid.

The four MPPT trackers automatically detect the maximum power points of each string, adapting to changes in lighting and panel angles.

Built-in protections against overvoltage, short circuits, and overheating ensure safe and stable operation.


Key Technical Specifications of the S-45K-UA


Main Parameters for Design


  • Inverter type: grid-tied
  • Power output: 45 kW
  • Phases: 3
  • MPPT trackers: 4
  • Sine wave form: pure sine wave
  • Nominal frequency: 50 Hz

Advantages of the S-45K-UA


Why Choose This Model


The Stromherz S-45K-UA boasts an efficiency of up to 98.8%, stable performance across a wide temperature range, and passive cooling with no noise or maintenance. Its modular MPPT architecture provides configuration flexibility and maximum generation.


Installation and Connection of the S-45K-UA Inverter


Professional Installation by Lirik Solar


Lirik Solar specialists handle the entire installation process: from selecting the optimal location and mounting the housing to laying cables, connecting, and configuring the four MPPTs. After installation, full testing and equipment handover with warranty are carried out.


S-45K-UA Price


Transparent Pricing with Manufacturer Warranty


The price of the Stromherz S-45K-UA grid inverter includes official supply, certification, and factory warranty. We operate without intermediaries and offer competitive terms. For pricing details, contact Lirik Solar managers.


Why Choose the S-45K-UA Grid Inverter


Reliability and Optimal Performance


Stromherz S-45K-UA is chosen for its stable performance under load, MPPT adaptability to complex arrays, and long service life with minimal maintenance.


Benefits of the S-45K-UA Inverter


Five Key Advantages of the Model


  • Four MPPT trackers for maximum energy harvest
  • Passive cooling with no fans
  • IP65 protection for outdoor installation
  • Silent operation and low maintenance
  • Remote monitoring via Ethernet/4G

How and Where to Buy the S-45K-UA Grid Inverter


Easy Ordering and Delivery


You can purchase the Stromherz S-45K-UA via phone, messenger, email, or the order form on the Lirik Solar website. Delivery is handled by Nova Poshta across Ukraine, by Lirik Solar courier in Kyiv, or via pickup from the office. Payment methods include cash, card, or wire transfer.


Lirik Solar – Professional Solar Power Installation


Comprehensive Turnkey Solutions


Lirik Solar delivers turnkey projects: technical audit, equipment selection, installation, commissioning, and post-warranty service. Our engineers ensure the reliability and efficiency of every solution.


Start Your Project with Lirik Solar


Order Stromherz S-45K-UA Today


Don’t delay your investment in clean energy — submit a request or call Lirik Solar, and we’ll promptly prepare a personalized offer, deliver the equipment, and professionally install your Stromherz S-45K-UA turnkey solution!


Stromherz S-45K-UA Datasheet

Specifications
Характеристики инвертора
Manufacturer
Stromherz
Model
S-45K-UA
Inverter type
String inverter
Number of phases
3
Sine wave shape
Pure sine wave
Maximum DC input power of photovoltaic modules (W)
72000
Maximum input voltage (V)
1100
Nominal input voltage of photovoltaic modules (V)
620
Start-up Voltage (V)
180
MPPT Voltage Range (V)
180-1000
Maximum input current of photovoltaic system (A)
26+26+26+26
Maximum short circuit current (A)
40+40+40+40
Number of MPPT
4
Number of strings on MPPT
2
Rated AC Output Active Power (W)
45000
Max AC Output Active Power (W)
49000
Nominal output voltage (V)
380/400
Nominal AC frequency (Hz)
50/60
AC Output Rated Current (A)
65.2
Max. AC Output Current (A)
71.7
Maximum efficiency (%)
98,8%
European efficiency (%)
98,3%
MPPT efficiency (%)
99,9%
Display presence
+
Cooling type
Intelligent Air Cooling
Communication with BMS
RS485
Minimum operating temperature ('C)
-30℃
Maximum operating temperature ('C)
+60℃
Protection class (IP)
IP66
Color
White
Country of manufacture
Austria
Height (cm)
40.0
Width (cm)
60.0
Depth (cm)
27.0
Weight (kg)
42,0
Warranty
5 years
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