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R5-3k~8k Однофазний мережевий інвертор

R5-3k~8k Однофазний мережевий інвертор
R5-3k~8k Однофазний мережевий інвертор
Головна » Продукти » R5-3k~8k Однофазний мережевий інвертор

Technical Specifications

AC Power 3kW – 8kW
Inverter Type On-grid Inverter / PV Inverter
MPP Voltage Range 90 – 550 Volt
MPP Tracker 2
Phases 2
Communication RS485, RS232, Bluetooth, Wi-Fi, 4G (plug-in module)
Pieces per Package 1 per carton, 36 per pallet for R5-3-6K-S2-15 / 14 per pallet for R5-7/8K-S2-15
Warranty 5 years (extendable up to 25 years)
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Product Description

SAJ R5 3 – 8 kW Single-Phase Inverter (S2-15)

A twin-MPPT, fan-free inverter delivering up to 98.3 % efficiency, accepting 15 A per string (30 A on 7/8 kW) and providing real-time cloud monitoring for retail, school and light-industrial rooftops.

Design
Size 3–6 kW 389 × 367 × 143 mm
Size 7–8 kW 429 × 418 × 177 mm
Weight 12.2 – 18 kg
Cooling Fan-free < 25 dB
Enclosure Aluminium, IP 65
Electrical Specs
Rated AC Output 3 – 8 kW
Max PV Power Up to 12 kW DC
MPPT Range 90 – 550 V
Max Input Current 2 × 15 A (2 × 30 A on 7/8 kW)
Night Loss < 0.2 W
Operating Range
Temperature -40 °C – +60 °C
Altitude 0–4000 m (derate > 3000 m)
Humidity 0–100 % (non-cond.)
Smart Functions
  • Dual MPPT for mismatch optimisation
  • Plug-in Wi-Fi / 4G communications
  • Bluetooth app for 60-sec commissioning
  • Live data, alarms & remote FW updates
  • Export & generation limit ready
Safety & Protection
  • Built-in DC switch & SPD (Type III)
  • AFCI / GFCI fault detection
  • Anti-islanding & grid monitoring
  • IEC 62109, EN 50549, AS 4777 compliant
Install & Service
  • Rear-panel bracket: 5-min one-person mount
  • Tool-free AC plug + MC4 DC connectors
  • Auto country grid-code selection
  • Global SAJ service partners
Warranty
Standard Cover 5 years
Extension Option Up to 25 years
Product Resources

Download the latest user manual & datasheet:

Product Video Showcase

Watch our product demonstrations and tutorials

SAJ R5 Rooftop Solar Inverter for Smart Solar Energy

Introducing R5 Series Rooftop On-grid Solar Inverter

R5 Rooftop Solar Inverter: How to set up export limitation based on eSolar SEC via eSolar O&M

Product Video Showcase

Application Scenarios

Discover how this product can be used in different real-world scenarios

Modern Residential Rooftop Systems

Who it’s for: Homeowners upgrading to higher panel wattages (500W+), looking for efficient rooftop self-consumption.

Why R5-3~8K fits:

  • Supports 16A input per string – ready for 210mm high-current modules
  • Dual MPPTs with 2 inputs – ideal for East-West roof layouts
  • 150% oversizing allowed – full power harvest on limited rooftops

“Perfect match for my 6kW array with 550W panels on a sloped roof.” —Installer, Chiang Mai

R5-3k-8k-modern-solar-home
Suburban Clinics or Light Commercial Buildings

Who it’s for: Clinics, offices, or community centers with stable daytime energy loads and building-mounted PV.

Why it works:

  • Single-phase export compliant with EN50549 / G99
  • AFCI and DC/AC SPD built-in – no extra safety gear needed
  • Supports remote OTA updates – saves technician site trips
Example: A 5kW inverter powering a dental clinic’s lighting and HVAC, integrated with building automation via monitoring API.
R5-3k-8k-Commercial-Building

How We Work With You

From your first call to final delivery, we make the process simple and clear

Consultation meeting

Talk & Plan

We listen to your needs and create a plan that works for you. Our team will help you understand all your options.

Quote and agreement

Quote & Agree

You get a clear price with no hidden costs. Once you're happy with everything, we sign the agreement and start working.

Production and quality control

Make & Check

We carefully make your order and check everything meets our high standards. You'll know exactly how things are going.

Delivery and support

Ship & Support

Your order ships safely to you on time. We're always here to help if you need anything after delivery.

Ready to start your project?
Get a 24h FOB Quote Now

Frequently Asked Questions

Find answers to common questions about our products and services

What certifications does the R5-3k~8k inverter comply with?

📄 Regional Certifications

EN 50549-1 European grid compliance
G98 / G99 UK small-scale grid integration
VDE-AR-N 4105 German low-voltage standard
CE / EMC / LVD General EU safety & emissions

🧠 Good to Know

  • Certificates are accepted by most DSOs and energy agencies in the EU
  • Physical copies included in shipment; PDFs available on request
  • Helps simplify rebate or FIT paperwork for end users
What solar panel types are compatible with this inverter?

✔ Electrical Compatibility

  • Max input current: 16A per string
  • MPPT voltage range: 80–550V (600V max DC)
  • Dual MPPT with independent tracking

🔧 Commonly Paired Modules

  • 400–600W half-cut monocrystalline (182mm/210mm)
  • Bifacial and high-current PV panels supported

Oversizing is allowed up to 150% of the inverter’s AC output, maximizing ROI per square meter on rooftops.

Does it support remote monitoring and OTA updates?

📱 App & Connectivity Features

  • eSolar App (iOS/Android): live power, energy stats, alerts
  • Online Portal: ideal for managing fleets of installations
  • Wi-Fi standard; 4G dongle optional for remote access
  • Push notifications for error alerts and yield reports

🛠 Quick Setup Guide

A QR code on the inverter connects you directly to the setup wizard. Most installations are fully online and reporting in under 10 minutes.

🔄 OTA Update Support

  • Firmware updates can be pushed remotely
  • No site visit needed for future software enhancements
  • Installer portal shows update status in real time
What documents are included with the product shipment?

📎 Document List

  • Commercial Invoice & Packing List
  • User Manual (English)
  • Quick Installation Guide
  • Test Report (with SN)
  • Compliance Certificates (CE, TÜV, VDE)

📝 Typical Use Cases

These documents are used for customs clearance, grid registration (DSO), and subsidy applications. All items are printed and also available digitally upon request.

How is the inverter packaged for delivery?

📦 Packaging Specifications

  • Single unit: foam-inserted carton box
  • Bulk orders: stretch-wrapped on pallet with label
  • External markings: model name, serial number, QR code

🚢 Shipping Notes

All packaging is export-compliant and suitable for LCL/FCL shipping. No fumigation required. Wooden crate available upon request.

Still have questions?

Can't find the answer you're looking for? Our support team is here to help you.

Contact Support

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