Refoss Open API Plug, P11S (EU Version) (P11S): Refoss P11S, the main image of Refoss's own store listing "Refoss Open API Plug, P11S(EU Version)", which sells this one model (SKU P11S-EU). The EU plug beside a phone showing the Refoss app; Refoss shows no plain product photo of it.

1 photo · Image from refoss.net

Photo sources

Manufacturer and seller images. Configuration examples may include additional equipment.

Image source: Refoss P11S, the main image of Refoss's own store listing "Refoss Open API Plug, P11S(EU Version)", which sells this one model (SKU P11S-EU). The EU plug beside a phone showing the Refoss app; Refoss shows no plain product photo of it.

Refoss Open API Plug, P11S (EU Version) (P11S)

Name: Refoss Open API Plug, P11S (EU Version) (P11S)
Brand: Refoss
SKU: P11S

By RefossSKU P11S

Energy monitors

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Device typeSmart plug Max switched load (A)16 AMax switched load (W)Not statedMeasurement channelsNot stated Current sensorsNot stated Current ratingNot stated

Key specs

Units

SKU: P11S
Official product page
Sources
Printed as "Refoss Open API Plug, P11S(EU Version)".
Official product page: Refoss product page: Refoss Open API Plug, P11S (EU Version) (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: product title
Documented
Device type: Smart plug
Official product page
Sources
Printed as "Refoss Open API Plug, P11S(EU Version)"; "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 Plug, P11S (EU Version) (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: product title ("Plug")
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 Plug, P11S (EU Version) (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: Product page and documents as quoted
Documented
Max switched load (A): 16 A
Official product page
Sources
Maximum switched load printed as "16A Rated for Heavy-Duty Use: Handles demanding devices like heaters or dryers with enhanced safety and stability.".
Official product page: Refoss product page: Refoss Open API Plug, P11S (EU Version) (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: feature list
Documented

All specs3

Device type: Smart plug
Official product page
Sources
Printed as "Refoss Open API Plug, P11S(EU Version)"; "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 Plug, P11S (EU Version) (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: product title ("Plug")
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 Plug, P11S (EU Version) (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: Product page and documents as quoted
Documented
Max switched load (A): 16 A
Official product page
Sources
Maximum switched load printed as "16A Rated for Heavy-Duty Use: Handles demanding devices like heaters or dryers with enhanced safety and stability.".
Official product page: Refoss product page: Refoss Open API Plug, P11S (EU Version) (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: feature list
Documented

Published claims and calculations, not independent test results.

Documents

1 on file

WEB
Refoss product page: Refoss Open API Plug, P11S (EU Version) (captured October 12, 2026)OfficialRefossOfficial product page
Source details
Revision
Not stated
Revision date
Not stated
Archived copy captured on 2026-10-12.
Location: Product page
Retrieved Oct 12, 2026
Refoss's own product page, captured October 12, 2026 with the paced research fetcher. Manufacturer statements, not independent tests.
Open