Home Light Switches Zooz Z-Wave Long Range High Power Relay ZEN78 800LR
White high power relay device with its packaging on a white background
White wall switch control with specifications on a black background.
Zooz Z-Wave Long Range High Power Relay ZEN78 800LR with dimensions on a green background, featuring certification logos on a black background.
Zooz Z-Wave Long Range High Power Relay ZEN78 800LR Energy monitor with features highlighted on a gray background
Zooz Z-Wave Long Range High Power Relay ZEN78 800LR showcasing the use case of a heated driveway system with a house in the background
Woman with a dog in a room with a mini split AC unit and close-up of the components of the Zooz Z-Wave Long Range High Power Relay ZEN78 800LR.
EV charger with close-up of connectors in the Zooz Z-Wave Long Range High Power Relay ZEN78 800LR.
Pool pump with wiring inside of the Zooz Z-Wave Long Range High Power Relay ZEN78 800LR and pool in background
Back view of the Zooz Z-Wave Long Range High Power Relay ZEN78 800LR with branding and certification labels on a white background
White high power relay device with its packaging on a white background
White wall switch control with specifications on a black background.
Zooz Z-Wave Long Range High Power Relay ZEN78 800LR with dimensions on a green background, featuring certification logos on a black background.
Zooz Z-Wave Long Range High Power Relay ZEN78 800LR Energy monitor with features highlighted on a gray background
Zooz Z-Wave Long Range High Power Relay ZEN78 800LR showcasing the use case of a heated driveway system with a house in the background
Woman with a dog in a room with a mini split AC unit and close-up of the components of the Zooz Z-Wave Long Range High Power Relay ZEN78 800LR.
EV charger with close-up of connectors in the Zooz Z-Wave Long Range High Power Relay ZEN78 800LR.
Pool pump with wiring inside of the Zooz Z-Wave Long Range High Power Relay ZEN78 800LR and pool in background
Back view of the Zooz Z-Wave Long Range High Power Relay ZEN78 800LR with branding and certification labels on a white background

Zooz Z-Wave Long Range High Power Relay ZEN78 800LR

$69.95 $89.75

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Z-Wave Frequency & Product Condition (See full condition details below)

40 A OF POWER

Z-Wave Long Range Badge

PRODUCT HIGHLIGHTS

  •   BETA RELEASE:   You may need to update the firmware for this device, selected functionality or advanced features may not be available on your hub at the time of purchase
  • On/off Z-Wave control for high power loads up to 40A, perfect for 240VAC heavy duty installations
  • Power monitoring: this device reports energy use in Watts, kWh, Amps, and Volts (reporting threshold and frequency are adjustable in advanced settings)
  • Dry contact switch: connect and control from a wall switch ( NO VOLTAGE ON INPUT  , see diagram)
  • Recommended applications:
    • Pool Pumps
    • Electric Water Heaters or Boilers
    • Air Compressors
    • Air Conditioners (e.g., Mini Splits)
    • High-Power Outlets
    • Shop Vacuums
    • Commercial Lighting
    • Heated Driveways
    • EV Charging Stations
    • Electric Heaters (garages, warehouses)
  • 800 series Z-Wave chip: fast, secure, and rock solid wireless connectivity
  • Z-Wave Long Range (ZWLR): if your hub implements ZWLR, you'll benefit from the ultra reliable direct device-to-hub communication which extends the range like never before and eliminates network lags
  • Indoor only: you will need a weatherproof box to install this device outdoors, see specs for details
  • SmartStart and S2 authenticated security for a truly protected smart home
  • Built-in signal repeater: helps keep your network quick and reliable in a traditional Z-Wave mesh
  • 5-year extended warranty (if registered within 30 days) and lifetime tech support

NOTE: Z-Wave gateway controller required - sold separately. 

PRODUCT CONDITION

We may have this product available in open box, refurbished, or used condition - just check the variant buttons under the product price for availability. All of our recycled inventory has been tested for both manual and Z-Wave control and is fully functional at the time of shipment. Here is what you can expect when ordering your device:

  • NEW: brand new product, as delivered by the factory
  • OPEN BOX: like new item in excellent condition, it may come in partially damaged or not original packaging; all accessories included; hardware and firmware version may be different than the brand new device description.
  • REFURBISHED: good condition, may show slight signs of wear, may not include all accessories (like product manual); hardware and firmware version may be different than the brand new device description.
  • USED (FINAL SALE): used condition, may show signs of wear, may not include accessories (like product manual) or parts of the packaging; may show signs of wear like scratches or shorter pigtail wires; FINAL SALE: not eligible for return, replacement, or warranty service; hardware and firmware version may be different than the brand new device description

SPECIFICATIONS

  • Z-Wave Region: US/CA/MX
  • Power: 120-240 VAC, 60 Hz
  • Maximum Load: Resistive Load: 40 A, 9600 W; Inductive Load: 4HP - 5,000 Cycles, 3HP - 20,000 Cycles
  • Standby power consumption: 1W
  • Operating Temperature: 32° – 104° F
  • Range: Up to 300 feet (or up to 1300 feet with ZWLR)
  • Installation and Use: Indoor only (IPX3)
  • Dimensions: 8.6” x 5.5” x 2”

RESOURCES

Download the Manual for Zooz Z-Wave Long Range High Power Relay ZEN78 800LR (PDF)

Advanced Settings

Support Portal

WORKS WITH

NOTE: If you don't see your Z-Wave controller on the list above, please contact us before you purchase this product.

INSTALLATION

It is recommended that a licensed electrician completes the installation of any 120-240V high-power device according to the appropriate wiring diagram.

Zooz Z-Wave Long Range High Power Relay ZEN78 800LR Standard 240 V Wiring Diagram

How to include the High Power Relay to your smart home network?

How to add the High Power Relay to the Z-Box Hub

How to add the High Power Relay to SmartThings

How to add the High Power Relay to Home Assistant

How to add the High Power Relay to Hubitat

How to add the High Power Relay to HomeSeer

SmartStart Inclusion:

Open your hub's app and initiate pairing as usual. Scan the SmartStart QR code on the ZEN78 relay and power it up - it will include automatically. You don't need to click the Z-Wave button unless you're using SmartThings in which case, you may need to activate the relay by tapping the Z-Wave button 3 times quickly.

Manual Inclusion:

  1. Bring your Z-Wave hub or controller as close to the relay as possible
  2. Put your Z-Wave controller in inclusion/pairing mode
  3. Click the Z-Wave button on the relay 3 times quickly to finalize the inclusion proces
  4. A new on/off switch should appear on your controller's device list

Customer Reviews

Based on 9 reviews
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Exactly what I’ve been waiting for!

This power meter and switch is what I’ve been waiting on for a long time. It does exactly what it claims and I have had no issues with it. The only thing to be aware of is if you aren’t getting the power reading you expected, swap the two hots on your load side.

S
Stephen P.
Great relay for dust collector!

Used this device in my workshop to control my dust collector. I put a ZEN34 remote switch at each tool station connected to the system so each station can turn the high power relay on/off directly. Works great

T
Tom R.
Perfect for Shutdown While Away

Now I can turn my water heater off without risking the basement stairs plus I can turn the water heater back on before I return home

M
Mark S.
Zen 78 is awesome relay for heavy load needs

Installing 12 of these units to manage a heavy load of heaters and lights at a sporting facility while simultaneously providing on/off switching courtside through momentary switches. Product has performed well in all aspects. Allowed us to retrofit an installation that had no courtside controls inexpensively compared to running a 120v line out to the courts

E
Ed S.
Roof Heat Deicing Control

Works perfectly to control a 120VAC 1200 watt 240 ft roof deicing heat cable via zwave. I really like the local control wall switch feature also. Very happy

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