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Altronix AT4B - 365 Day 24 Hr 4 Channel Annual Event Timer Board. 12/24 VAC/VDC

Altronix AT4B - 365 Day 24 Hr 4 Channel Annual Event Timer Board. 12/24 VAC/VDC


Our Price : $153.75

UPC Code: 782239933969

Product Code: 526503




365 Day 24 Hr 4 Channel Annual Event Timer

Mandated Daylight Saving Time Change.

All updated models have a yellow dot on the packaging. Microchips to upgrade timers in the field or inventory are available at your distributor. For more information please contact Altronix at info@altronix.com or call us at 888-258-7669, or refer to the Contact page.


Model AT4B is an extremely versatile 24 Hour 365 Day Event Timer designed to support a wide range of applications.


• 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 10 amp @120VAC/28VDC.
• EE Prom memory protects against loss of programming due to power failure.
• 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.
• Lifetime Warranty.


• Dimensions (approximate): 5.5”W x 1.2”L x 7”H.


• Home and Building Automation, Security, Access Control, Lighting Control, Etc.

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