Master clock work shift timer with 110v-10Amp power output
If you one of these, know that they have been out of production since 2018

The Sonachron replacement master schedule timer can control:
Includes:
- Master Clock terminal and easy-to-understand , USA-written owners manual
- Internal 110V - 10Amp mechanical relay. Pre-wired and tested
- 10 Amp rated 110V grounded power cord
- 10' bell wire cable - add more as needed!
- Loud RED fire bell, add more as needed
Optional Upgrades:
Strobe light that flashes when the bell rings
Additional bells and buzzers, strobe lights
Hightly accurate, stable computer-controlled master clock timer.
Allows up to 50 ring events, each event can be replicated across 7 days - and counts as one event.
Each event can have its own duration, from 1 second - such as a two minute warning
to 15 seconds long. Normally 2 to three seconds to Start, Stop and End each work segment (start, come back from lunch, end of day. 1 second blasts for "two minute warning." That goes a long way to getting people back out to the works space.
Easy to program, instructions are provided, Instructions are in one language: English.
Pre-assembled and tested in a locking case, keeps prying fingers out.
One Year USA Guarantee, free technical support.
Designed, assembled, and supported, in U.S.A.
Tip: One bell in one spot is normal, but to really be heard, consider putting a second bell or buzzer 1/2 way out in the shop or other rooms. It really helps. We have installed these systems in the past, we have seen it work. We primarily sell to manufacturers and schools. Work Shift Timers are our niche market, our specialty.