Photo sources
Manufacturer and seller images. Configuration examples may include additional equipment.
Image source: Refoss R11, the main image of Refoss's own store listing "Refoss Open API Wi-Fi Relay Switch, R11", which sells this one model (SKU R11-EU). The relay module beside a phone showing the Refoss app; Refoss shows no plain product photo of it.Refoss Open API Wi-Fi Relay Switch, R11 (R11)
No sellers found.
Key specs
Units- SKU
- R11Official product page
Sources
Printed as "Refoss Open API Wi-Fi Relay Switch, R11".
Official product page: Refoss product page: Refoss Open API Wi-Fi Relay Switch, R11 (captured October 12, 2026) Checked · Earlier documentLocation: product title
Documented
- Device type
- In-wall switchOfficial product page
Sources
Printed as "Compact Retrofit-Friendly: Easily fits behind standard wall switches without altering existing wiring or aesthetics."; "Energy Monitoring: Track energy consumption in real-time with hour-level export and cloud-based statistics.".
Official product page: Refoss product page: Refoss Open API Wi-Fi Relay Switch, R11 (captured October 12, 2026) Checked · Earlier documentLocation: feature list
Documented
- Communications
- Fully Open API Access: Supports JSON-RPC 2.0 via HTTP, webhook, and MQTT for advanced custom integrations.Official product page
Sources
Printed as "Fully Open API Access: Supports JSON-RPC 2.0 via HTTP, webhook, and MQTT for advanced custom integrations.".
Official product page: Refoss product page: Refoss Open API Wi-Fi Relay Switch, R11 (captured October 12, 2026) Checked · Earlier documentLocation: Product page and documents as quoted
Documented
All specs2
- Device type
- In-wall switchOfficial product page
Sources
Printed as "Compact Retrofit-Friendly: Easily fits behind standard wall switches without altering existing wiring or aesthetics."; "Energy Monitoring: Track energy consumption in real-time with hour-level export and cloud-based statistics.".
Official product page: Refoss product page: Refoss Open API Wi-Fi Relay Switch, R11 (captured October 12, 2026) Checked · Earlier documentLocation: feature list
Documented
- Communications
- Fully Open API Access: Supports JSON-RPC 2.0 via HTTP, webhook, and MQTT for advanced custom integrations.Official product page
Sources
Printed as "Fully Open API Access: Supports JSON-RPC 2.0 via HTTP, webhook, and MQTT for advanced custom integrations.".
Official product page: Refoss product page: Refoss Open API Wi-Fi Relay Switch, R11 (captured October 12, 2026) Checked · Earlier documentLocation: Product page and documents as quoted
Documented
Published claims and calculations, not independent test results.
Documents
- WEBOpenRefoss product page: Refoss Open API Wi-Fi Relay Switch, R11 (captured October 12, 2026)Official
Source details
Archived copy captured on 2026-10-12.
Location: Product page
Retrieved
Refoss's own product page, captured October 12, 2026 with the paced research fetcher. Manufacturer statements, not independent tests.
Warranty
No warranty terms on file.
Sellers
No sellers found.
Price history
No seller price history.
Owner reviews
No reviews yet
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Evidence score
This category has no Evidence score.
Certificates
No certificates on file. Certificate guide
Parts and accessories
No sourced accessories or replacement parts listed yet.
Model history
Model identity
- Model
- R11
Manufacturer SKU R11
No historical observations recorded yet.
Community discussions
No discussions linked yet. Search DIY Solar Forum
Recalls / legal notices
No recalls or legal notices on file; this is not a complete recall or court search. All notices · Report a notice
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