Altronix AT4B 365 Day 24 Hr 4 Channel Annual Event Timer

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



Features/Specifications:

• 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.


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


Applications include:  Home and Building Automation, Security, Access Control, Lighting Control, Etc.