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Smart Safety Protector (RSD) - TH Series
Featuring module-level rapid shutdown capabilities, our devices comply with the latest NEC rapid shutdown requirements, including the 2017 NEC rapid shutdown requirements, ensuring enhanced fire safety and maintenance protection. The rapid shutdown initiation device wire size is optimized for seamless integration with various solar rapid shutdown devices, making it ideal for residential, commercial, and industrial installations.
This rapid shutdown device solar architecture ensures that voltage is reduced to safe levels within seconds during emergencies, aligning with solar rapid shutdown requirements and UL 3741 standards. The bidirectional PLC communication enables long-distance control up to 1600 meters, providing reliable rapid shutdown performance even in large-scale deployments.
Product Advantages
Automatic/Manual Rapid Shutdown
Automatic protection or manual shutdown, to ensure maintenance and fire safety
Module-Level Arc Protection
Arc Fault Detection: series, parallel arc. Quickly extinguish the arc, effectively preventing the fire accident
1600m PLC Communication
Supports super-long communication distance
Supports RemoteData Monitoring
Snapshots include voltage, current, power, power generation, IV working
Technical Parameter
Model
FR-PVMS-THCx
Number of Module
1 For 2
Max. Input Operating Voltage
140 V
Dimension
120×68×26 mm
Max. Input/Output Current
20 A ~ 23 A
Safety Compliance
NEC 2017, 2020 & 2023 (690.12) ; UL 1741; UL 3741
FR-PVMS-TH Series Comparison
Rapid Shutdown Technical Specifications and Features Overview
FR-PVMS-THQx is an excellent choice for cost-sensitive, space-saving deployments that still demand high safety and intelligence. Compared to the THCx series, the THQx models also offer rapid address configuration, second-generation module-level arc fault protection, and plug contact failure detection.
| Parameter Name | FR-PVMS-THCB | FR-PVMS-THQB | FR-PVMS-THCC | FR-PVMS-THQC |
|---|---|---|---|---|
| Maximum Input Voltage | 140 V | 140 V | 140 V | 140 V |
| Number of Modules | 2 | 2 | 2 | 2 |
| Max. Input/Output Current | 20 AMP | 20 AMP | 23 AMP | 23 AMP |
| Max. Short Circuit Current | 25 AMP | |||
| Arc Detection Feature | - | Module-level Arc Fault Shutdown | - | Module-level Arc Fault Shutdown |
| Safety Compliance | All models comply with NEC 2017, 2020 & 2023 (690.12); UL 1741; UL 3741 safety standards | |||
| Maximum System Voltage | 1500 Vdc | |||
| IP Rating | IP68 | |||
| Operating Temperature | -40 to +85 °C | |||
| Communication Protocol | Power Line Commnication (PLC),Max.Cable Loop Length 1600 Meters | |||
| Monitoring Platform Features | Module-level Asset Management, 2D & 3D Data Display, Multi-module Comparison, Real-time Status, Energy Management, Smart Fault Analysis | |||
Rapid Shutdown Device Wiring Diagram
| FR-PVMS-THCB | FR-PVMS-THQB | FR-PVMS-THCC | FR-PVMS-THQC |
Fonrich RSD + Smart Logger
When the number of PV modules is odd, the wiring diagram overview for Fonrich Rapid Shutdown with Smart Logger is as follows.
Fonrich RSD + Emergency Switch Box
When the number of PV modules is odd, the wiring diagram overview for Fonrich Fonrich Rapid Shutdown with Emergency Switch Box is as follows.
Related Solutions
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