FSS50-1200
Firstack FSS50-1200 50kW air-cooled power stack for solar inverters. Features 1200V IGBT modules with >97.5% efficien...
Product Overview
Description
The Firstack FSS50-1200 power stack is purpose-built for commercial solar inverter applications. This 50kW three-phase inverter stack combines 1200V IGBT modules with optimized gate drivers to deliver excellent efficiency in a compact, air-cooled package. The natural convection cooling eliminates the need for liquid cooling infrastructure, simplifying installation and maintenance.
The stack is optimized for solar applications with wide MPPT voltage range and high efficiency across varying irradiance conditions. Comprehensive protection features ensure reliable operation in outdoor environments. The compact footprint enables high power density inverters for commercial rooftop and ground-mount installations. The stack is fully tested and includes comprehensive documentation for rapid system integration.
Product Series
Solar Stack
Primary Application
Solar Inverters
Key Features
- 50kW continuous power rating
- 1200V IGBT modules for 400V AC systems
- >97.5% peak efficiency
- Air-cooled with natural convection
- Compact footprint for high density
- Wide MPPT voltage range
- Outdoor-rated protection
- Simple installation and maintenance
Specifications
| Continuous Power | 50kW |
|---|---|
| DC Input Voltage | 500-850V |
| AC Output Voltage | 400V AC |
| Switching Frequency | 8-16kHz |
| Peak Efficiency | >97.5% |
| Cooling | Natural convection |
| Operating Temperature | -25°C to +60°C |
| Protection Rating | IP65 |
Applications
Commercial solar inverters
Renewable energy systems
Rooftop PV systems
Electronic system design
Ground-mount solar
Renewable energy systems
Energy storage inverters
Renewable energy systems
Microgrids
Electronic system design
Industrial solar
Industrial automation and control
FAE Expert Insights
"The FSS50-1200 is my top recommendation for commercial solar inverters from 30-75kW. The air-cooled design is perfect for rooftop installations where liquid cooling isn't practical. Efficiency is excellent - we consistently measure 97.5-98% across the MPPT range. The compact size (about 300x400mm) enables high power density designs. What I like most is the reliability - we've had zero thermal issues even in 50°C ambient. For solar, I recommend operating at 8-12kHz switching for best efficiency. The wide DC voltage range (500-850V) accommodates various string configurations."
Air-cooled design with >97.5% efficiency, ideal for commercial solar installations
— Sarah Chen, BeiLuo
Frequently Asked Questions
What solar inverter applications is FSS50-1200 best suited for?
The FSS50-1200 is ideal for commercial solar inverters in the 30-75kW range. Best applications include: commercial rooftop systems, ground-mount solar farms, industrial solar installations, and microgrids. The 1200V rating suits 400V AC grid connections common in commercial applications. The air-cooled design eliminates liquid cooling complexity, making it perfect for rooftop installations. The wide DC voltage range (500-850V) accommodates various string configurations from 10-16 panels per string.
Contact our FAE team for solar inverter design and string configuration recommendations.