AT4B

Timer, 365 Day 24 Hour Annual Event, 4 Channel, Alphanumeric LCD Display, Battery Charger, Board

AT4B is an extremely versatile 24 Hour 365 Day Event Timers designed to support a wide range of applications. Such applications include: Home and Building Automation, Security, Access Control, Lighting Control, Etc.

  • Input
    • 12 to 24 volts AC or DC operation.
  • Relay
    • Standby current: 20mA with relays off combined with 40mA for each relay on.
    • Four (4) Form "C" relay contacts are rated 10A @ 120VAC/28VDC.
    • Each relay operates independently.
  • Events/Programming
    • 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.
  • Features
    • EE Prom memory protects against loss of programming due to power failure.
    • Clock synchronization 60Hz (AC operation).
    • Accurate crystal controlled clock (DC operation).
    • "First man in" option.
    • Standard or Daylight Savings Time settings.
    • Automatic compensation for leap year.
  • Battery Backup
    • Built-in charger for 12VDC sealed lead acid or gel type batteries (Max. charge current 300mA).
    • Lithium battery backup maintains clock.
    • Order Altronix part # LB2032.
  • Display
    • Alphanumeric LCD display simplifies programming.
  • Temperature
    • Operating -20ºC to 49ºC (-4ºF to 120ºF).
    • Storage -25ºC to 70ºC (-13ºF to 158ºF).
    • Relative Humidity 85% +/- 5%.
Dimensions (approximate):
  • 5.5"W x 1.2"L x 7"H (139.7 mm W x 30.48 mm L x 177.8 mm H).
Weights (approximate):
  • Product Weigtht: 0.3 Lbs. (0.13 kg).
  • Shipping Weigtht: 0.5 Lbs. (0.23 kg).