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Sosen HL12K-P3EU 12kW Three-Phase Hybrid Inverter for Home and Business Backup 380/400V 51.2V Battery 24kW PV Input IP66 Parallel up to 8 Units
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Sosen · Three-Phase Inverters

Sosen HL12K-P3EU 12kW Three-Phase Hybrid Inverter for Home and Business Backup 380/400V 51.2V Battery 24kW PV Input IP66 Parallel up to 8 Units

UGX7,155,000 VAT incl.
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Kampala · 1 In stock
UGX7,155,000
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Complete your systemMatched to 48 V
Solar Panels
UGX429,000
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UGX2,862,000
Cables, mounting and protection
UGX49,809
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Key specs
Brand Sosen Model HL12K-P3EU
Rated Power 12 kW Max PV Input Power 24 kW
Max Charging Current 250 Adc MPPT Voltage Range 150 ~ 950 Vdc
Nominal Output Voltage 380 / 400 V a.c., 3W+N+PE Nominal Output Frequency 50 / 60 Hz
Nominal Voltage 40 ~ 60 V Number of MPPT Trackers 2 / 2+2
Product Dimensions 448 x 660 x 265 mm Product Weight 35 kg
Communication RS485 / WiFi / CAN / DRM (Optional: Bluetooth / LAN / Meter) Efficiency 97.50%
Operating Temperature -25°C to +60°C (linearly derating to 60% when exceed +45°C to +60°C) AC Output Rated Current 17.4 Aac
Battery Type Lithium / Lead-acid Certification EN IEC 62477-1, EN IEC 62109-1/2, EN IEC 61000-6-2, EN IEC 61000-6-4, EN50549-1/10
Current Rating 35/17 A Display LCD + App
Humidity 0-95% (non-condensing) Ingress Protection IP66
Max PV Input Current 4*20 Adc Max. AC Input/Output Apparent Power (VA) 12 kVa
Max. PV short circuit current 4*30 Adc Maximum input voltage 1000 Vdc
Maximum output current 35 / 17 Aac Noise <40 dB
Parallel Operation Yes Permissible Altitude 4000 m (>2000 m derating)
Power Factor 0.8 leading ~ 0.8 lagging Protection Output over voltage, Output over current, Short circuit, Surge, Temperature, Anti-islanding
SKU SM-THR-SOS-01395 Start Voltage 180 Vdc
Storage Temperature 25°C to +60°C Transfer Time <20 ms

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About this product

Overview

The Sosen HL12K-P3EU is a three-phase hybrid inverter rated 12 kW / 12 kVA at 380/400 V a.c. (3W+N+PE, 50/60 Hz). It works with a low-voltage battery bank of 51.2 V nominal — the 40–60 V range covers both lithium and lead-acid types — charging at up to 250 Adc and discharging at up to 250 Aac, with three battery inputs available. On the solar side it accepts a PV array of up to 24 kW with a 1000 Vdc maximum input voltage and a 150–950 Vdc MPPT window across two MPPT trackers (2+2 strings), and it can be paralleled up to 8 units.

It is aimed at homes, shops, farms and small businesses that run three-phase equipment and need to keep working through grid outages. Changeover to backup takes under 20 ms, and the off-grid output handles 200% overload for 10 s plus 150% unbalanced three-phase loads, so pumps, fridges and motors start without tripping. The IP66 enclosure allows outdoor installation, AC coupling is supported for retrofitting an existing installation, and an LCD with app monitoring reports status over RS485, WiFi, CAN or DRM.

About this item

  • 12 kW / 12 kVA three-phase output at 380/400 V a.c., 3W+N+PE, 50/60 Hz; 35/17 Aac maximum continuous current and 17.4 Aac EPS/generator current
  • 51.2 V nominal battery voltage, 40–60 V operating range, lithium or lead-acid; 250 Adc max charge and 250 Aac max discharge, three battery inputs supported
  • Up to 24 kW PV array, 1000 Vdc max DC voltage, 150–950 Vdc MPPT range (180 Vdc start-up), 2 MPPT trackers with 2+2 strings, 4*20 Adc max input current
  • Backup switchover in under 20 ms, 200% overload for 10 s and 150% three-phase unbalanced output for motor and fridge start-up surges
  • IP66 protection degree, <40 dB noise, 448 x 660 x 265 mm, 35 kg, operating -25°C to +60°C (derating above +45°C) and up to 4000 m altitude
  • LCD + App display; RS485 / WiFi / CAN / DRM interfaces (optional Bluetooth / LAN / meter); parallel up to 8 units and AC coupling for retrofit

Applications

  • Three-phase home backup during grid power cuts
  • Small business, shop and workshop power backup
  • Off-grid and hybrid solar systems with 48 V lithium or lead-acid battery banks
  • Retrofit AC-coupled systems and diesel-generator backed sites
  • Light commercial, farm and institutional buildings on a 380/400 V three-phase supply
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Frequently Asked Questions
What battery voltage does the Sosen HL12K-P3EU need?
It uses a low-voltage battery bank with a 51.2 V nominal voltage and a 40~60 V operating range. Both lithium and lead-acid batteries are supported, with up to 250 Adc charge current and 250 Aac discharge current, and it supports three battery inputs.
How much solar PV can I connect?
Up to 24 kW of PV array, with a maximum DC input voltage of 1000 Vdc and an MPPT operating range of 150~950 Vdc (180 Vdc start-up voltage). There are 2 MPPT trackers with 2/2+2 strings, a maximum input current of 4*20 Adc and an absolute maximum Isc of 4*30 Adc.
What output does this inverter provide?
12 kW / 12 kVa three-phase at 380 / 400 V a.c., 3W+N+PE, 50/60 Hz, with 35/17 Aac maximum continuous current and 17.4 Aac output/input current for the EPS and generator port.
Will it keep my loads running during a power cut?
Yes. The switch time is under 20 ms, and the off-grid output is 12 kW with 200% overload capacity for 10 s and 150% three-phase unbalanced output, so motor and fridge start-up surges are covered.
Can it be installed outdoors?
Yes, it has an IP66 protection degree. Operating ambient temperature is -25°C to +60°C (linearly derating to 60% above +45°C to +60°C), humidity 0-95% non-condensing, operating altitude 4000 m with derating above 2000 m, and noise under 40 dB.
Can I expand or retrofit with this inverter?
Parallel function is supported for up to 8 units and AC coupling is available for retrofit. Communication is via RS485 / WiFi / CAN / DRM, with optional Bluetooth, LAN or meter, and monitoring through LCD + App.
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