Solis S5-GR3P5K 20kW On-Grid Solar Inverter | High Efficiency IP66

Description

Overview: Solis S5-GR3P(5-20)K 20 kW On-Grid Solar Inverter

The Solis S5-GR3P(5-20)K 20 kW On-Grid Solar Inverter is a three-phase inverter from Solis’ S5 series engineered for high-capacity residential, commercial, and small industrial solar PV systems in Bangladesh. This model is tailored to make the most of strong solar irradiance, yet cope with the variable grid and environmental conditions found across the country. It supports power generation up to 20 kW, making it ideal for large rooftop systems, factories, cold storage units, or any setup with significant daytime load and available roof or ground-mounted solar panels.

Key Features of Solis S5-GR3P(5-20)K 20 kW On-Grid Solar Inverter

• High Maximum Efficiency: Delivers up to **98.7%** conversion efficiency under ideal conditions.
• Dual MPPT Inputs: Two independent MPPT trackers allow flexible string arrangements, better performance under partial shading and multiple orientations.
• Wide DC Voltage Range & Low Startup: Startup voltage from ~180 V, MPPT range from around 160 V up to 1000 V or 1100 V depending on model.
• High DC/AC Ratio Support (>150%): Allows oversizing of PV array relative to inverter AC capacity to maximize solar generation.
• IP66 Rated Enclosure: Fully protected against dust and rain, suitable for outdoor installation in harsh Bangladeshi weather.
• Strong Protection Features: AFCI (arc-fault) protection to reduce fire risk, DC reverse polarity, short circuit protection, surge protection, anti-islanding, etc.
• Monitoring & Connectivity: Supports WiFi, GPRS, RS-485 connectivity, remote firmware/monitoring via Solis Cloud.
• Low Harmonic Distortion: THDi <2% ensuring cleaner power into the grid.
• Compact Design: Moderate weight (~20 kg for higher power variants), size ~310 × 563 × 219 mm. Easier installation and maintenance.

Technical Specifications of Solis S5-GR3P(5-20)K 20 kW On-Grid Solar Inverter

Parameter Specification
Brand Solis
Model S5-GR3P20K (part of S5-GR3P(5-20)K series)
Rated AC Output Power 20 kW
Max Apparent Output ~22 kVA (depending on grid voltage)

DC Input / PV Array Max Power ~30 kW (depending on PV string configuration)

DC Input Voltage Range MPPT: ~160-1000 V, Max ~1100 V

Startup Voltage ~180 V

Max String Current 16 A per string (some models allow 2 or 4 strings per MPPT)

AC Output Voltage 3-Phase, 220/380 V or 230/400 V (depending on region)

Frequency 50 / 60 Hz

Power Factor >0.99 (0.8 lead/lag)

THDi <2%

Protection Level IP66

Operating Temperature Range -25 °C to +60 °C

Weight / Dimensions ~20 kg, ~310 × 563 × 219 mm

Warranty Standard ~5 years (verify with local distributor)

Applications of Solis S5-GR3P(5-20)K 20 kW On-Grid Solar Inverter

This inverter is suitable for:

Commercial rooftop solar systems (factories, offices, warehouses)

Small or medium industrial PV installations

Distributed generation for residential apartment complexes

Solar farms or grid-tie projects in semi-urban and rural areas with stable grid but desire for net-metering

Projects requiring higher reliability and low maintenance

Why Solis S5-GR3P(5-20)K is Great for Bangladesh

Bangladesh has growing demand for reliable, efficient solar PV installations due to frequent power outages, rising electricity prices, and good solar insolation. The Solis S5-GR3P(5-20)K 20 kW On-Grid Solar Inverter addresses these by offering:

Strong tolerance for voltage variations and weak grid conditions (adaptive features)

Robust IP66 protection suited to humidity, dust, monsoon rains

High PV/DC ratio flexibility allows optimizing system design with fewer inverters for larger PV arrays

Remote monitoring helps reduce maintenance costs, important for areas outside large cities