Lathem DWAS Signal Control

Usually ships in 24 hours

Lathem Sonachron Signal Control (DWA-S)- This is a discontinued product, but we still render service


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 horn and bells 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 font-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)


Our Time Clock Solutions include easy to use time clocks and top of the line time attendance software.

1-800-TIMECLOCKS gives you the advantage of comparing top manufacturers that suit your business’ time and attendance needs. We provide a large seletion of products and services to match you with the most effective solution.

Our time clocks and software based time and attendance systems are designed with state of the art technology for the most efficient best employee tracking in today’s workplace. The solutions are used in industrial, restaurant, manufacturing, hospital, military, government and retail markets across the globe.

Please do not hesitate to contact us if you have any questions.

You can reach us at (800) 846-3256

Warranty Information
1 Year Warranty from Manufacture on the first year from purchase date. Optional extended warranty may be purchased.