Zooz 700 Series Z-Wave Plus Dry Contact Relay ZEN51
Zooz 700 Series Z-Wave Plus Dry Contact Relay ZEN51
Zooz 700 Series Z-Wave Plus Dry Contact Relay ZEN51
Zooz 700 Series Z-Wave Plus Dry Contact Relay ZEN51


Zooz 700 Series Z-Wave Plus Dry Contact Relay ZEN51

Want to keep your toggle switches? Installations with no neutral at the switch box? Need to monitor the status of your sump pump? This compact device is packed with features, allowing for various potential applications. Install it behind your existing switch to add Z-Wave control or install it at the fixture where you will have a neutral wire. Switch 120 V lighting loads or a dry contact load or monitor the status for other custom installations.


  • Simple on/off wireless Z-Wave control for either 120V or dry contact applications: ideal for lighting control or monitoring your 120V load (sump pumps, motion lights, etc.)
  • 700 series Z-Wave chip: provides extended coverage for a stronger, faster mesh network
  • SmartStart and the latest S2 authenticated security for simple, fast inclusion
  • Can be installed behind the current wall switch or at the fixture (as long as neutral is present)
  • Smart bulb mode: allows you to disable manual and/or Z-Wave control for simple smart bulb control via Z-Wave, ensuring power is not cut to the bulbs
  • Scene control: up to 7 multi-tap triggers to enable programming for the connected switch (available on hubs that support multi-tap triggers)
  • Multicolor LED indicator provides fast, simple pairing and diagnostics from the relay
  • Compatible with good quality LED and incandescent bulbs (NO ballast tube lights, switched receptacles, or fans over 3A / 5 years old; NOTE: FEIT bulbs are not recommended)
  • Built-in signal repeater: strengthens your mesh
  • 5-year warranty and lifetime tech support


  • Z-Wave™ Frequency: 908.42 MHz (US)
  • Power: 120-240 VAC, 50/60 Hz
  • Maximum Loads: 960W incandescent, 150W LED bulbs, 10A resistive, 1/2 HP fan motors
  • Z-Wave Range: Up to 300 feet line of sight
  • Dimensions: 1.5″ tall, 1.4″ wide, 0.7″ deep
  • Operating Temperature: 32-104° F (0-40° C)
  • Installation: Indoor use only

Manufacturer suggested retail price

$ 33.00

Visit product websiteWhere to buy

Product specification

Model number
Dry Contact Relay
Compatible with
Ezlo, Fibaro Home Center, HomeSeer, Hubitat, SmartThingss
Z-Wave Plus, S2 Security, SmartStart, Acts as repeater
U.S. / Canada / Mexico

Sign up and stay up to date

Sign up
Copyright © 2023 Z-Wave Alliance. All Rights Reserved.