Model AT4 is an extremely versatile 24 Hour 365 Day Event Timer designed to support a wide range of applications. Such applications include: Home and Building Automation, Security, Access Control, Lighting Control, Etc.
• 12 to 24 volts AC or DC operation
• Standby current: 20mA with relays off combined with 40mA for each relay on.
• Four (4) Form “C” relay contacts are rated 10amp @120VAC/28VDC.
• EE Prom memory protects against loss of programming due to power failure.
• Clock synchronization 60Hz (AC operation).
• Accurate crystal controlled clock (DC operation).
• Momentary and/or Latching Events.
• 254 individually programmed daily/weekly events.
• Block programming capacity can accommodate a total of 1778 events per week.
• 254 programmable Holiday events.
• “First man in” option.
• Alphanumeric LCD display simplifies programming.
• Standard or Daylight Savings Time settings.
• Automatic compensation for leap year.
• Each relay operates independently.
• Built-in charger for 12VDC sealed lead acid or gel type batteries
(Max charge current 300mA).
• Lithium battery backup maintains clock.
• User friendly keyboard programming.
• Unit is Y2K compatible.
Enclosure dimensions: 12.25”H x 7.75”W x 4.5”D
Additional Information
Altronix