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Lathem LATHEM-DWA-S
Lathem Sonachron DWAS Signal Control
Lathem Sonachron DWA-S (Requires optional Horn). Automatically ring Horns/Bells to control employees Start/Stop and Lunch Breaks. Buy from Time Clock eShop.com and save.
List Price: $425.00
eShop Price:

Detailed Description

NOTE: The Lathem Sonachron Does NOT have a built-in horn.

Purchase the optional Horn or Bell signaling device, for a complete system.

The Sonachron Signal Control and Program Timer is ideal for schools and industry.

The Sonachron is a dual-purpose, single circuit program timer, ideal for signaling horns and bells to Alert personnel of Shift Start/Stop times and Lunch Breaks, etc. or for controlling the On/Off status of electrical devices such as HVAC or appliances. A huge asset for your building's GREEN efforts.


The Sonachron is user-friendly, with a front-mounted keypad that lets you program the exact minute and weekday(s) of each event.

  • An optional dip switch can be set for operating the unit as a control device As a control device, the relay latches On or Off according to your schedule
  • A keypad allows easy programming and changes to schedule for operating the internal 10-amp dry contact relay
  • The weekly schedule can have up to 1,440 events. Each event includes the day(s) of the week and the time
  • Signal duration can be set from 1 to 99 seconds
  • If desired, a 4-digit security code entry can be required by keypad for preventing unauthorized tampering
  • An internal battery retains memory and timekeeping during power failures lasting up to 7 days
  • Display can be in 12 or 24 hour format


    • Dimensions: 9.5"W x 5.3"H x 3.3"D
    • Weight: 3.7 lbs.
    • Color: Charcoal Gray and Brushed Steel
    • Power: 20 Watts Max
    • Standby Power: 1.2 Amp Hours, 6V battery (included)
    • Voltage: 115 AC (200V AC optional)










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