Features and Benefits of Harmony Timer Relays
Harmony Timer Relays
Unmatched efficiency
Easy and time-saving installation
Benefits of Harmony Timer Relays


Comprehensive range
Wide range of products covering 24-240 VAC power supply, single or multi timing functions from 0.02 s to 999 hrs, and a flexible choice of screw or spring connection terminals for wiring.


Easy to use
These features assist setup in all environments: dial pointer LED indicator (especially in a dusty or poorly lit environment) and QR code for quick access to the product instruction sheet.


Reduce troubleshooting time
Diagnostic button that helps you check the downstream circuit immediately without sending a fault input signal to the relays.


World’s first industrial NFC Timer Relay
Experience simplified product selection, unprecedented accuracy, and diagnostic and superior security with NFC Timer Relay.
Features of Harmony Timer Relays
1. Simplicity
Simplified product selection and inventory management
• One product reference covering 28 timing functions, 2 outputs, and a wide range of supply voltage 24…240 V AC/DC
2. Accuracy
Configure settings digitally via Zelio NFC App
• Reduce error margin from 10% to 0.2%.
• Time delay can be set precisely up to minutes, seconds or milliseconds.
• Time setting is 50x more accurate.
3. Time-saving
Embedded with unique functions to help you save time
• Clone settings to multiple NFC Timer Relays easily with a simple click.
• Settings can be shared via multiple channels (email, SMS, etc.) and loaded directly to another NFC Timer Relay.
4. Enhanced monitoring
Features of the ‘Diagnose’ function
• Read relay status.
• Overwrite the output.
• Manage NFC Timer Relay without power.
5. Superior security
Set a four-digit password to prevent an unintended change of settings.
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