---
description: Choose BENY's BFS-21 for advanced module-level shutdown. SunSpec certified, microsecond response, and a 10-year warranty for prolonged reliability.
title: "BENY BFS-21: SunSpec Certified Advanced Shutdown Device | BENY"
image: https://www.beny.com/wp-content/uploads/2021/04/21.jpg
---
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[Home](https://www.beny.com/) [Products](https://www.beny.com/products/) [Rapid Shutdown Device](https://www.beny.com/product-category/module-level-rapid-shutdown/) SunSpec Module-Level Rapid Shutdown Device NEC2020 BFS-21
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# SunSpec Module-Level Rapid Shutdown Device NEC2020 BFS-21
The BFS-21 is designed and developed as the most reliable module level rapid shutdown device for solar building fire safety and meeting the NEC requirements.
#### Highlights :
- Operates SINGLE standard PV module or TWO modules
- Shutdown panels to 0V at 30μs
- Plug and Play Easy Installation
- PLC control signaling
- PVRSS with multiple inverters
- Over temperature protection Automatic shutdown
- 10 years warranty
- ![sunspec icon]()
- ![UL-Certifed icon]()
- ![nec2020]()
[Download Datasheet](https://www.beny.com/wp-content/uploads/2021/03/Rapid-Shutdown-Catalogue-BENY-2024-2-1.pdf) [Request A Quote](javascrpt:;)
- ![BFS 21 feature ul 2]()
- ![1000 sunspec certified]()
## SunSpec Certified BFS-21 FEATURES
The BFS-21 is designed and developed as the most reliable module level rapid shutdown device for solar building fire safety and meeting the NEC requirements.
√Shutdown panel to 0V at microsecond
√Plug and Play Easy Installation
√PLC control signaling
√PVRSS with multiple inverters
√Over-temperature protection Automatic shutdown
√25 years warranty
- ![bfs 21 a2]()
- ![bfs21 a1]()
## Module Level Rapid Shutdown BFS-21 Wiring
**Operates SINGLE standard PV module (>=40V) or TWO modules (<40V).**
The BFS-21 complies with NEC 2017&2020 690.12 rapid shutdown requirements when work with the SunSpec signal transmitter BFT-01 or an inverter with built-in transmitter, in non-interference with the inverter AFCI.
## SPECIFICATION
| BFS-21 Specifications | |
| --- | --- |
| Electrical | |
| Range of Operating Voltage | 120V input |
| Max Operating Current (A dc) | 18A |
| Max Input Power (W) | 2160W total |
| Max array short circuit current (A dc) | 18A |
| Output DC Voltage (V dc) | 120V |
| Rated Max output current (A dc) | 18A |
| Communication | PLC (DC Power Line) SunSpec certificate Microsecond response RSD |
| Mechanical | |
| UL 50 E Enclosure Type Rating | 4X |
| Connectors | MC4 (standard) Jinko connectors for option |
| Input cable length | 180mm |
| Output cable length | 1800mm |
| Weight | 600g |
| Environmental | |
| Operating Temperature | -40°C– +80°C |
| Ambient Operating Temperature | -40°C — +55°C |
| Over Temperature Protection | 85°C |
| Certificate and Standards | UL1741 PVRSS and PVRSE listed NEC 2014/2017/2020 690.12 |
| Warranty | BFS-21: 10 Years |
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