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Sponsored Ad – ZOOZ 700 Series Z-Wave Long Range Smart Relay ZEN51 | Installs Behind Wall Switch Or at The Light | Compatible with SmartThings, Hubitat, and Home Assistant | Z-Wave Hub Required (Sold Separately)

Sponsored Ad – ZOOZ 700 Series Z-Wave Long Range Smart Relay ZEN51 | Installs Behind Wall Switch Or at The Light | Compatible with SmartThings, Hubitat, and Home Assistant | Z-Wave Hub Required (Sold Separately)

Q: Can this be used without physical switches and only for control with via z-wave?

Yes, the device doesn't need a physical input (switch) and you can control is using Z-Wave commands only. Remember to check your local safety regulations to make sure an emergency physical wall control isn't required for the load you'd like to control with the Zooz device.

Q: I need similar that can run from 12-18vdc power, so I can relay some aux devices that also run on 12-18vdc. Do they make it?

I haven't found 1 for 18vdc So I used it to turn a 110v ac in 18vdc out powersupply on and off I know it's involved but it what I did

Q: Will these work on GFCI circuits? I have 2 outdoor lights that are on ground fault circuits and all of the zwave switches I have tried trip the gfci.

Yes, it can be installed on a circuit with a GFCI. I have this installed on an exterior circuit with GFCI and it works just fine.

Q: Does it click when on/off? If yes, how loud?

Any relay will make a sound when clicked so you will hear it when it's switched on and off. It's not too loud, just like your average 15A relay.

Product ID: 613584245

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Details

Connector type
Screw
Contact material
Silver
Contact type
Normally Open
Mounting type
Wall Mount
Brand
ZOOZ

⚡Supports up to 960W load

📶700 Series Z-Wave Long Range

🛠️Compact 3.8x3.6x1.8 cm wall-mount design

Frequently Bought Together

Zooz 700 Series Z-Wave Long Range Smart Relay ZEN51 | Installs Behind Wall Switch Or at The Light | Compatible with SmartThings, Hubitat, and Home Assistant | Z-Wave Hub Required (Sold Separately)

Zooz 800 Series Z-Wave Long Range S2 On Off Switch ZEN76 800LR, White | Simple Direct 3-Way and 4-Way Solution (Works with Regular Switches, No Aux Switch Needed) | Z-Wave Hub Required

Zooz 800 Series Z-Wave Long Range S2 USB Stick ZST39 LR, Great for DIY Smart Home (Use with Home Assistant or HomeSeer Software)

Description

🔗 Keep your vintage switches smart and connected—no compromises!

DISCREET COMPACT - Small form factor fits behind any standard wall switch for invisible smart control
INSTANT STATUS UPDATES - Get real-time switch state reports directly to your smart hub
NO NEUTRAL NO PROBLEM - Install behind fixture to leverage neutral connection effortlessly
SEAMLESS SMART UPGRADE - Transform your classic toggle switches without replacing them
ULTIMATE COMPATIBILITY - Works flawlessly with SmartThings, Hubitat & Home Assistant hubs

The ZOOZ 700 Series Z-Wave Smart Relay ZEN51 is a compact, behind-the-switch device that converts traditional toggle switches into smart switches without replacing them. Compatible with major Z-Wave hubs like SmartThings, Hubitat, and Home Assistant, it supports loads up to 960 watts and offers long-range Z-Wave connectivity. Ideal for setups lacking neutral wires at the switch, it can be installed at the fixture for seamless smart control and instant status updates.

Specifications

Manufacturer	Zooz
Part number	ZEN51
Item Weight	50 g
Product Dimensions	3.81 x 3.56 x 1.78 cm; 50 g
Item model number	ZEN51
Power source type	ac
Wattage	960 watts
Plug profile	Wall Mount
Included components	User Manual
Batteries included?	No
Batteries Required?	No

Have a Question? See What Others Asked

Can this be used without physical switches and only for control with via z-wave?

I need similar that can run from 12-18vdc power, so I can relay some aux devices that also run on 12-18vdc. Do they make it?

Will these work on GFCI circuits? I have 2 outdoor lights that are on ground fault circuits and all of the zwave switches I have tried trip the gfci.

Does it click when on/off? If yes, how loud?

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