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Home > Smart Relays > ZEN16 VS ZEN17: What's the Difference
ZEN16 VS ZEN17: What's the Difference
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There is a lot of smart home potential with the Zooz relay devices - so which model should you go with?

Here are the main differences between the ZEN16 MultiRelay and the ZEN17 Universal Relay:

  • The ZEN16 has 3 NO relay while the ZEN17 has 2 NO-C-NC relays.
  • The switch inputs on the first version of the ZEN16 were fixed to the relay outputs and you couldn't monitor them separately of the relays while the inputs on the ZEN17 can be separated from the relays and monitor analog binary sensors for open/close, dry/wet, etc. With the new ZEN16 VER. 2.0 you can now separate inputs from outputs and customize how the inputs display in your hub to monitor analog sensors and other dry contact inputs.
  • The switch inputs on ZEN16 are dry contact only which means you can't connect any voltage to them while there are 2 types of inputs on the ZEN17: dry contact (S-C) and low voltage 12-24 V (VC-C) to use low voltage triggers.
  • The previous version of the ZEN16 used the 500 series Z-Wave chip with S2 Unauthenticated security while the ZEN17 uses the 700 Series Z-Wave Chip with S2 Authenticated security. The new ZEN16 VER. 2.0 comes with the 700 series chip as well.


  ZEN16 ZEN17
Relays 3 NO relays 2 NO-C or NC-C relays
Inputs Dry contact only Dry contact (S-C) or low voltage 12-24V (VC-C)
Outputs Tied to inputs, can't be separated on VER. 1.0, but you can separate outputs from inputs on VER. 2.0 Can be separated from inputs for monitoring analog binary sensors independently of output control
Garage Doors Recommended when using wireless sensors to monitor the garage door open/close status Recommended when using wired reed sensors to monitor the garage door open/close status
Max Load Relay 1: 15 A, Relay 2: 15 A, Relay 3: 20 A NO relays: 20 A, NC Relays: 10 A
Power Supply 12 - 24 V / USB C 12 - 24 V / USB C 

S2 Unauthenticated for VER. 1.0, 

S2 Authenticated on VER. 2.0

S2 Authenticated
Z-Wave Chip

500 series on VER. 1.0,

700 series on VER. 2.0

700 series
Signal Repeater Yes Yes

Up to 150 feet line of sight on VER. 1.0,

Up to 350 feet line of sight on VER. 2.0

Up to 350 feet line of sight
Z-Wave Plus Yes Yes
Certification ETL ETL
Z-Wave Frequency 908.42 MHz (US, CA, MX) only 908.42 MHz (US, CA, MX) / 921.4 MHz (AU, NZ) / 868.42 MHz (EU) (choose your region before adding this product to cart)
Advanced Settings View here View here
Device Manual View here View here

Please let us know if you have any other questions and we'll be happy to help!

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