Explore the range of Fonrich Rapid Shutdown models, each designed to meet specific needs in solar PV systems, ensuring compliance and safety……

Fonrich Rapid Shutdown Models: A Comprehensive Overview

Fonrich offers a diverse range of rapid shutdown models tailored to various solar PV system requirements. Understanding the specifications and applications of each model is essential for selecting the right solution for your installation. This article provides a comprehensive overview of Fonrich’s rapid shutdown models, highlighting their key features, compliance standards, and ideal use cases.

Fonrich Rapid Shutdown Model Series

Fonrich’s rapid shutdown devices are categorized into three main series: TF, TH, and TT. Each series is designed to address specific installation scenarios and compliance requirements.

TF Series: Precision and Performance

The TF series is engineered for high-performance residential and commercial installations where precision and reliability are paramount.

• Key Features:

  • Module-level rapid shutdown for individual panel control.

  • Compliance with NEC 2017 and NEC 2020 rapid shutdown requirements.

  • Compatible with a wide range of inverter brands.

  • Advanced monitoring capabilities for real-time performance tracking.

• Ideal Applications:

  • Residential rooftop systems with complex layouts.

  • Commercial installations requiring detailed monitoring and control.

• Technical Specifications:

  • Maximum input voltage: 80V DC.

  • Maximum continuous current: 20A.

  • Operating temperature range: -40°C to +75°C.

  • IP68 rating for durability in harsh environments.

  
  

TH Series: Efficiency and Simplicity

The TH series is designed for standard residential installations, offering a balance of efficiency, simplicity, and cost-effectiveness.

• Key Features:

  • 1-to-2 series configuration, allowing one device to manage two panels.

  • Compliance with NEC 2017 rapid shutdown standards.

  • Simplified installation process with plug-and-play connectors.

  • Basic monitoring features for essential performance tracking.

• Ideal Applications:

  • Standard residential rooftop systems.

  • Installations where cost-effectiveness is a priority without compromising safety.

• Technical Specifications:

  • Maximum input voltage: 70V DC per input.

  • Maximum continuous current: 23A.

  • Operating temperature range: -40°C to +75°C.

  • IP67 rating for reliable outdoor performance.

TT Series: Advanced Commercial Solutions

The TT series is tailored for commercial and utility-scale installations, offering advanced features and higher capacity.

• Key Features:

  • 1-to-2 parallel configuration for enhanced efficiency in large systems.

  • Compliance with UL 3741 rapid shutdown standards.

  • Advanced data analytics and monitoring capabilities.

  • Robust design for high-demand environments.

• Ideal Applications:

  • Commercial and industrial solar installations.

  • Utility-scale projects requiring high reliability and advanced monitoring.

• Technical Specifications:

  • Maximum input voltage: 140V DC.

  • Maximum continuous current: 23A.

  • Operating temperature range: -40°C to +75°C.

  • IP68 rating for maximum durability.

    
    

Compliance and Certifications

All Fonrich rapid shutdown models comply with major international standards, including:

• NEC 2017 and NEC 2020: Ensuring adherence to the latest rapid shutdown requirements.

• UL 1741 and UL 3741: Certifying safety and performance in North American markets.

• IEC/EN 62109-1: Compliance with European safety standards.

• EMC Standards: Meeting electromagnetic compatibility requirements for global installations.

Conclusion

Fonrich’s TF, TH, and TT series offer versatile solutions for any solar PV system, from residential rooftops to utility-scale installations. By understanding the unique features and applications of each model, installers and system owners can select the optimal rapid shutdown solution to ensure safety, compliance, and performance.

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