Skip to main content
mattercatalog
KasaPlugs

Kasa EP40M Matter Smart Outdoor Plug

CSA Certified

The Kasa EP40M Matter Smart Outdoor Plug is Matter certified (certificate CSA23176MAT40689-24, certified Feb 27, 2023). It uses Wi-Fi, so it needs no Thread border router, only your platform’s Matter controller. A certified Matter device can be added to any Matter controller whose app supports its device type, such as Apple Home, Google Home, Alexa, SmartThings or Home Assistant; features vary by app. The maker hasn’t named platforms on a page we hold. Sold in the US at Amazon.

Certificate data: CSA ledger read . Set-up steps and sources: Apple Home · Google Home · Alexa · SmartThings · Home Assistant

CSA Matter certified (certificate CSA23176MAT40689-24). Uses Wi-Fi, so it needs no Thread border router, only your platform’s Matter controller.

At a glance: Matter certified: Yes, Feb 27, 2023 · Connectivity: Wi-Fi · Platforms: Apple Home, Amazon Alexa and Google Home (listed in its catalog record, unverified) · Thread border router: Not needed (uses Wi-Fi)

Works with
Matter certified as an on/off plug-in unit, so it can work with Matter apps such as Apple Home, Google Home, Alexa and SmartThings when the app supports its device type; supported features vary by app. The maker hasn’t named platforms on a page we hold.
CSA certificate
CSA23176MAT40689-24, certified Feb 27, 2023
Network & hub
Wi-Fi; needs no Thread border router, only your platform’s Matter controller
Model number
EP40M

Updated : the last change to this page’s certification, platform or store facts.

Independent guide. We may earn a commission through affiliate links. Direct non-affiliate links are labeled. How our links work

Image unavailable
Price at retailer

Amazon

Where to buy

1 store

StorePriceDetailsStore link

Amazon

See price at Amazon

Check the model, region and pack size at the retailer. Prices and availability are confirmed there.

What its Matter certificate covers

Per the CSA compliance document for certificate CSA23176MAT40689-24 (firmware 1.0.0, Matter 1.0, certified Feb 27, 2023):

Energy monitoring over Matter
Not listed in this certification: certificate CSA23176MAT40689-24 lists neither the Electrical Power Measurement nor the Electrical Energy Measurement cluster.
Matter network
Wi-Fi, with Bluetooth for setup
Matter device type (CSA page)
On/Off Plug-in Unit (0x010A)
On/Off endpoints
1
Clusters listed
Groups, Identify, On/Off, Scenes

Source: the compliance document on the CSA product page for certificate CSA23176MAT40689-24, read Oct 19, 2026. A newer certification can add or remove features; we show the one on file.

Matter smart plugs whose certificate lists energy monitoring →

What Matter 1.0 added, and which devices use it →

Kasa EP40M Matter Smart Outdoor Plug is a smart plug. It is listed as connecting over Wi-Fi. It is CSA Matter certified (February 27, 2023), so it can work with Matter apps such as Apple Home, Google Home, Alexa and SmartThings when the app supports its device type; supported features vary by app.

Wi-FiMatter

Specifications

Brand
Kasa
Category
Plugs
Protocols
Wi-Fi, Matter
Certificate ID
CSA23176MAT40689-24
Certified
Feb 27, 2023
Model
EP40M
Firmware
1.0.0

Ecosystem compatibility

Matter
Apple HomeUnverified
AlexaUnverified
Google HomeUnverified

Unverified: listed in its catalog record, not confirmed by the maker; check exact controller support.

Quick answers

Is the Kasa EP40M Matter Smart Outdoor Plug Matter certified?
Yes. MatterCatalog matches it to CSA Matter certificate CSA23176MAT40689-24, certified Feb 27, 2023.
Does the Kasa EP40M Matter Smart Outdoor Plug work with Apple Home or HomeKit?
Likely. It is Matter certified (certificate CSA23176MAT40689-24), so any Matter controller whose app supports its device type can add it. The maker hasn’t named Apple Home on a page we hold. Apple says an iPhone using iOS 18 or later can add Matter accessories to the Home app without a home hub. Apple’s Matter page lists outlets among the accessory types the Home app supports.

Add a Matter device to Apple Home

Does the Kasa EP40M Matter Smart Outdoor Plug work with Google Home?
Likely. It is Matter certified (certificate CSA23176MAT40689-24), so any Matter controller whose app supports its device type can add it. The maker hasn’t named Google Home on a page we hold. Google says you need a Matter-enabled hub device set up on your home wireless network before you can add Matter devices to Google Home. Google’s supported-device-types page lists the On/Off Plug-in Unit type.

Add a Matter device to Google Home

Does the Kasa EP40M Matter Smart Outdoor Plug work with Alexa?
Likely. It is Matter certified (certificate CSA23176MAT40689-24), so any Matter controller whose app supports its device type can add it. The maker hasn’t named Alexa on a page we hold. Alexa needs a Matter-compatible Echo; Amazon says its Echo devices support “a subset of Matter 1.5 and lower device types”, so check that yours does.

Add a Matter device to Alexa

Does the Kasa EP40M Matter Smart Outdoor Plug work with Samsung SmartThings?
Likely. It is Matter certified (certificate CSA23176MAT40689-24), so any Matter controller whose app supports its device type can add it. The maker hasn’t named SmartThings on a page we hold. SmartThings adds Matter devices through the SmartThings app and a Matter controller.

Add a Matter device to SmartThings

Does the Kasa EP40M Matter Smart Outdoor Plug work with Home Assistant?
Likely. It is Matter certified (certificate CSA23176MAT40689-24), so any Matter controller whose app supports its device type can add it. The maker hasn’t named Home Assistant on a page we hold. Home Assistant says: “Adding a new Matter device only works in the Home Assistant Companion app.”

Add a Matter device to Home Assistant

Does the Kasa EP40M Matter Smart Outdoor Plug use Thread or Wi-Fi?
Wi-Fi. Its catalog record lists Wi-Fi, so it joins your Wi-Fi network and does not need a Thread border router. You still need your platform’s Matter controller.
Does the Kasa EP40M Matter Smart Outdoor Plug need a hub or a Thread border router?
No hub of its own and no Thread border router: it joins your Wi-Fi network. You still need your platform’s Matter controller (a smart speaker, display, streaming box or hub), though Apple says an iPhone using iOS 18 or later can add Matter accessories without a home hub.
When was the Kasa EP40M Matter Smart Outdoor Plug Matter certified?
The CSA certified it on Feb 27, 2023 (certificate CSA23176MAT40689-24). That is its certification date, not a retail release date, which MatterCatalog does not state.
Where can I buy the Kasa EP40M Matter Smart Outdoor Plug?
MatterCatalog has verified store links for it at Amazon. Check the current price, model and pack size at the store.

From this product’s catalog record, not hands-on testing. Editorial policy

Share:

Best Matter Smart Plugs 2026

The best Matter smart plugs for energy monitoring, outdoor use, and more.

Read the full buying guide →

Matter smart plug buying comparison

Certified smart plugs and outlets with two or more US stores each: compare stores, packs and current prices side by side.

Compare stores →

Each has a US store link. Models on the same Matter network with a CSA certificate on file come first.

Cheapest Matter Smart Plugs right now →All 88 Matter smart plugs sold in the US →All Kasa Matter devices →

For publishers: link to this certificate

Writing about the Kasa EP40M Matter Smart Outdoor Plug? Show your readers where to see its CSA Matter certificate, CSA23176MAT40689-24, certified Feb 27, 2023. Paste one of these into your page. It is free and optional, with no sign-up. The link goes to this page, which states the certificate and its source.

Text link

Works anywhere HTML works, including a blog post.

<a href="https://mattercatalog.com/product/kasa-ep40m-smart-outdoor-plug">Kasa EP40M Matter Smart Outdoor Plug: CSA Matter certificate CSA23176MAT40689-24, see the certificate on MatterCatalog</a>

Badge

A small image that links here.

<a href="https://mattercatalog.com/product/kasa-ep40m-smart-outdoor-plug"><img src="https://mattercatalog.com/badges/matter-certificate-badge.v1.svg" alt="Kasa EP40M Matter Smart Outdoor Plug: CSA Matter certificate CSA23176MAT40689-24, see the certificate on MatterCatalog" width="220" height="48"></a>

Styled badge (script)

The same link, drawn as a badge by one small static file. The link stays in your page without the script.

<a class="mc-cert-badge" href="https://mattercatalog.com/product/kasa-ep40m-smart-outdoor-plug" data-cert="CSA23176MAT40689-24" data-name="Kasa EP40M Matter Smart Outdoor Plug">Kasa EP40M Matter Smart Outdoor Plug: CSA Matter certificate CSA23176MAT40689-24, see the certificate on MatterCatalog</a>
<script async src="https://mattercatalog.com/badges/matter-certificate-badge.v1.js"></script>

The badge says only that a CSA certificate is on the ledger for this product. It is not an endorsement by MatterCatalog or the CSA, and it does not change how we list or order products. About the badge, and how to remove it.

Stay updated

Get notified when new Matter-certified devices launch.

No spam. Unsubscribe anytime.

Kasa EP40M

CSA certified

Check price at Amazon