timeclocks made in usa
Lathem Workshift Timer

Workshift Timer! Rings bells and buzzers. Works great for industry and schools. Rings bells, horns, even line on/off voltage for HVAC systems.

Our Price: $339.00
Shipping will be calculated during checkout.  

Setup Before Shipping
We can pre-wire it and program before shipping!

Accessories & Supplies:

DetailsIDProduct NameDescriptionPriceAdd To Cart
Click 115 Time Clock Surge ProtectorSurge Protector$15.95
Click 24 Horn, 24VAC Buzzer102 dB 4" loud adjustable buzzer$129.00
Click 86 Loud 4" 110VAC HornBuzzer, 102+ decibels, adjustable$129.00
Click 88 6 inch 110V bell6" 110V shop bell 102db$89.00
Click 195 Lathem DWA-S BatteryLathem Sonachron Battery$34.00


Lathem Workshift Timer, Lathem Sonachron Overview:

  • The Sonachron is a dual-purpose, single circuit program timer. 
    The DWA-S (this is the model) is ideal for signaling horns and bells, or for
    controlling the On/Off status of electrical devices such as HVAC or appliances.
  • The Sonachron is user-friendly with a front-mounted keypad that lets you
    program the exact minute and weekday of each event.
  • You install this on a system that already has bells or buzzers, or add then now. 

  • Accurate quartz timer
  • Signal duration from 1 to 99 seconds
  • Weekly schedule, up to 1440 events, 7 days a week
  • Optional and included: Unique rolling-break button (sandwich truck arrives you press "Start Break", it runs for 10 to 15 minutes, then sounds again)
  • Cold contact, or 110VAC output
  • Internal battery retains memory and program for up to 10 days
  • Keyboard and program can be password protected
  • Front-sided keyboard makes for very easy programming
  • Updates for daylight savings and power outages, leap year, etc.

Made in USA       USA FLAG.jpg

One Year Guarantee, right out of Atlanta, Georgia 
Free Lifetime Technical support
Click on this line to download the Lathem Sonachron factory brochure


  • Password protected, with hidden override
  • Rugged 10-amp fused dual-poll mechanical relay, dry contact
  • Draw: 110VAC 20 watts max
  • Program Memory standby time: 10 Days unplugged
  • Dry contact or 110 VAC (line voltage) output
  • Shipping weight: 7 lbs - 3 lbs installed
  • Dimensions: 9.75" x 3.25" x 5.5"

You saw this at www.employeetimeclocks.com, our other website...

Workshift Timer Installation.JPG