Clock Systems Overview  Wired Clock System  Master Clocks & Other  ET Series


Introducing National Time’s ET Series Master Clock – the future of accurate time display for Schools, Hospitals and Industry. The easiest to install and operate UL Listed master clock in the industry. Simply plug into a local area network (LAN) and a power outlet to install. Class II power limited outputs can control a conventional 3-wire clock system. Synchronize the time with the National Institute of Standards and Technology (NIST) or local time servers using the LAN. One relay output is available for auxiliary event programming such as bells or tones and is easily programmable using National Time’s WeCanTM browser based interface from any computer. ETMCU Series adds an LED time display and user interface to set the time without LAN connected.



arrow EtherSync with local SNTP time server or NIST
arrow Two 75 Watt Class II 24VAC Outputs
arrow User-friendly web browser interface
arrow Relay output for scheduled events (bells, tones, etc.)
arrow Control output for Booster Power Supplies
arrow 2U standard 19” rack mounting
arrow Small footprint 11”x13.5” wall mount
arrow ETMCU-2W Wall Mount adds Time Display and user interface
arrow 120VAC and 240VAC 50/60Hz Models Available


Product Specs arrow

User's Manual arrow

Network Guide arrow