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Fonrich delivers cutting-edge Module-level Rapid Shutdown, Power Optimizers, AFCI, and Arc Fault Detection systems to maximize solar ROI, ensure NEC compliance, and enhance system safety across residential, commercial, and utility-scale installations.
Fonrich offers a comprehensive suite of smart solar safety and optimization technologies designed for maximum efficiency, safety, and compliance with global standards including UL 1741, NEC 2023, and UL 1699B.
UL 1741 compliant rapid shutdown device meeting NEC 2023/2020 requirements. Ensures module-level safety with remote monitoring and control.
High-efficiency DC optimizer enhancing energy harvest and system safety. Available in Basic and Thermal Plus versions up to 1400W.
Up to 4-channel arc fault detection with automatic shutdown. Integrates with combiner boxes for enhanced safety.
Advanced arc fault interruption at string level using PLC or LoRa communication for scalable solar safety.
On-board and DIN rail models with 2 or 4 channels. Easy embedding and broad inverter compatibility with OTA remote learning.
Real-time monitoring of current, voltage, temperature, and component status. Supports RS485 and integrates arc fault detection.
High-capacity arc fault detection for energy storage systems. Ensures safety in large-scale battery installations.
Cloud-based intelligent O&M management system. Real-time monitoring, diagnostics, and safety alerts for entire PV fleet.
From rooftops to utility farms, Fonrich delivers tailored safety and optimization solutions that meet the unique demands of each solar application.
Compact, easy-to-install RSD and optimizer solutions for rooftop solar. Ensures NEC compliance and maximizes homeowner ROI with intelligent safety features.
Scalable arc protection, combiner monitoring, and optimization systems for factories, warehouses, and office buildings. Reduces downtime and enhances O&M efficiency.
High-capacity arc fault detectors, string-level interrupters, and cloud-based SafeSolar platform for large solar farms. Enables centralized monitoring and rapid fault response.
Fonrich New Energy Technology Co., Ltd. was established in 2011 in Shanghai. We are a global leader in DC arc protection and MLPE (Module-Level Power Electronics), committed to improving customer ROI, power generation efficiency, and proactive safety management.
With over 200 patent applications and nearly 100 granted invention patents, Fonrich continues to innovate across the entire technology stack — from rapid shutdown devices to intelligent cloud platforms.
Fonrich established in Shanghai. Launched first product: DC System Monitor.
First-gen Smart Safety Optimizer launched. DC Arc Fault Detector introduced. Development of Smart Safety Protector (RSD) begins.
Fonrich Singapore established. Smart Safety Optimizer 2.0 released. RSD launched. SafeSolar Cloud launched.
Secured Series A funding. Subsidiaries in Thailand, manufacturing base in Shandong. 1M units shipped. SafeSolar Cloud v3.0 launched.
PowerRich EMS launched. Fonrich Europe established. AFCI White Paper released with TÜV Rheinland.
Stay updated with the latest in solar safety, optimization, and industry trends.
Step-by-step installation videos, troubleshooting guides, and remote support via SafeSolar Platform.
Visit Resource Center →Get in touch with our team for product inquiries, technical support, or partnership opportunities.
Phone: 0086-21-60717303
Email: info@fonrich.com
Address: 1st Floor, Building 2, S&T Innovation Building, No. 1588 Lianhang Road, Minhang District, Shanghai
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