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  • Aeotec Illumino Switch
  • Illumino Switch
  • Illumino Switch
  • Illumino Switch
  • Illumino Switch
  • Illumino Switch
  • Illumino Switch
Last updated September 2026

Aeotec Illumino Switch

Full-circuit switching at 15 A on 120 V, three-way capable, with Gen7 Z-Wave Plus v2 and repeater functionality.

3.9
44 ratings
20% OFF
$44.99
$35.99
1

One switch per light circuit.

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Launch Year: 2021

Model: ZWA038

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Our review

Aeotec Illumino On/Off Switch Review: A 15 A Z-Wave Plus v2 Switch That Repeats the Mesh

The verdict

The Aeotec ZWA038 is the on/off sibling of Aeotec's dimmer: a Z-Wave Plus v2 (Gen7) wall switch rated for 15 A on 120 V, which is the full circuit rating rather than a lighting-only figure, and capable of three-way operation. Because it is mains powered it also acts as a Z-Wave repeater, so each switch installed makes the mesh more reliable for battery sensors. Control is local through a hub, with SmartThings and Home Assistant both documented, and there is no cloud dependency. It requires a neutral wire and a Z-Wave hub, and Matter is not supported.

Best for
  • Z-Wave homes
  • Three-way lighting circuits
  • Higher-current circuits
  • SmartThings and Home Assistant setups
1

One switch per light circuit.

Buy on Amazon USABuy on Amazon Canada

Pros

  • 15 A rating on 120 V, the full circuit rating
  • Three-way circuit capable
  • Z-Wave Plus v2 (Gen7) with repeater functionality
  • Local control with no cloud account and no Wi-Fi slot used
  • Documented support for SmartThings, Home Assistant and certified Z-Wave gateways
  • Status LED and normal manual operation preserved

Cons

  • Requires a neutral wire and a Z-Wave hub
  • Z-Wave is region locked by frequency
  • 120 V only, so North American wiring
  • No Matter support
  • Energy monitoring, power-off memory and scene mode are not documented
  • Protection features and warranty terms are not documented

Who is the Illumino Switch for?

It is for converting existing lighting to smart control without touching the bulbs, which is the sensible approach for fixtures with several lamps or where you want the wall switch to keep working for guests and family. The 15 A rating means it is not limited to light lighting loads, and three-way capability covers hallways and staircases with switches at both ends. As a Z-Wave device it keeps control local, needs no cloud account, and does not consume a Wi-Fi slot.

What it offers

On/off switching of a 120 V circuit at up to 15 A, three-way capable, on Z-Wave Plus v2 from the 700 series generation, which improved range and efficiency across the protocol. Repeater functionality means it relays messages for other Z-Wave devices, and a status LED shows state at the wall. Automations run through your hub, with SmartThings and Home Assistant documented and certified Z-Wave gateways supported generally.

What to know before you buy

A neutral wire and a Z-Wave hub are both required, and the correct regional frequency version must be ordered since Z-Wave is region locked. It is 120 V, so North American wiring. Matter is unsupported. Voice assistant support is not documented for the switch itself, because Z-Wave devices are exposed through the hub. Several specifications are unstated: maximum load in watts, all four protection features, energy monitoring, power-off memory, wireless switch (scene) mode and whether the status LED brightness can be adjusted. Warranty terms are not documented either.

Is the Illumino Switch worth it?

It is priced like other name-brand Z-Wave switches, and the case for it is the same as for the protocol: local control, no cloud, and a mesh that improves as you add devices. The 15 A rating is more headroom than many competitors document. If you want energy monitoring or Matter, look at other switches, and if you have no Z-Wave hub this is the wrong starting point entirely.

Frequently asked questions

How much current can the Illumino Switch handle?

15 A on 120 V, which is the full circuit rating rather than a lighting-only figure. The maximum in watts is not documented.

Can it be used in a three-way setup?

Yes, it is three-way capable, so two switches can control the same light.

Does it need a hub?

Yes, a Z-Wave hub, plus a neutral wire in the wall box.

Does it strengthen my Z-Wave network?

Yes. It works as a repeater, relaying messages for battery-powered Z-Wave devices.

Does it report energy usage?

Energy monitoring is not documented for this model, so do not count on it.

At a glance

Summary

Everything this wall switch supports, grouped by category.

Size & Materials
4.1 × 1.8 × 1.6 in (105 × 46 × 40 mm)5.3 oz (150 g)
Power
AC Load Voltage (120V)Resistive LoadMax Resistive Load Power (Per Switch)Max Resistive Load Current (Per Switch)Inductive LoadMax Inductive Load Power (Per Switch)Capacitive LoadMax Capacitive Load Power (Per Switch)Neutral Required
Connectivity
Z-Wave (Z-Wave Hub required)
Integrations
AlexaSamsung SmartThingsHome Assistant
Features
Switches (1)Status LED

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Company
Aeotec logo

Aeotec

4.2/ 5 avg ratingGermany flagHeadquartered in Germany

Aeotec is a smart home manufacturer best known for its Z-Wave sensors, controllers and accessories, and as the maker of the Aeotec Smart Home Hub that runs SmartThings. Its catalog covers multipurpose motion and environmental sensors, smart plugs, sirens and range extenders aimed at advanced DIY automation setups. Aeotec products are popular with SmartThings, Home Assistant and Hubitat users who want reliable Z-Wave devices that work across hubs.

Full specifications

Every spec, organized

Browse the full breakdown by category. Tap the on any row for what it means, or the for sources and documentation.

Size & Materials
Dimensions

4.1 × 1.8 × 1.6 in (105 × 46 × 40 mm)

Weight

5.3 oz (150 g)

Power
AC Load Voltage

120V

Resistive Load

YES

Max Resistive Load Power (Per Switch)

1800W

Max Resistive Load Current (Per Switch)

15A

Inductive Load

YES

Motors up to 380 W

Max Inductive Load Power (Per Switch)

380W

Max Inductive Load Current (Per Switch)

?

Capacitive Load

YES

LED and CFL up to 960 W

Max Capacitive Load Power (Per Switch)

960W

Max Capacitive Load Current (Per Switch)

?

Neutral Required

YES

Safety
Overheating protection

?

Overvoltage protection

?

Overcurrent protection

?

Overpower protection

?

Connectivity
2.4 GHz WiFi

NO

5 GHz WiFi

NO

Bluetooth

NO

Z-Wave

Z-Wave Hub required

Z-Wave Plus v2 (Gen7), repeater functionality

Zigbee

NO

Thread Protocol

NO

Integrations
Google Home

?

Alexa

YES

Wired switch on a hub with an Alexa skill: Alexa turns the load on and off

Apple HomeKit

NO

Samsung SmartThings

YES

Works via certified Z-Wave gateways

Home Assistant

YES

Matter

NO

Features
Switches

1

Energy Monitoring

?

Power Off Memory

?

Wireless Switch Mode

?

Status LED

YES

Adjust Status LED

?

Automations

YES

3-way capable

Required to work

You need a Z-Wave controller for this

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Why it needs a Z-Wave coordinator

The Aeotec Illumino Switch speaks Z-Wave, not Wi-Fi. It needs a Z-Wave controller to join your network and reach your phone or your automations. These are the controllers in our catalog that can run it.

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