Signatrol Model 20 Flashers

Signatrol Model 20 FlasherSignatrol Model 20 Flashers are 3, 4, 5 or 6 circuit, heavy-duty flashers with adjustable speed options constructed of high quality materials.

The Model 20 design features contact stacks that can be easily detached and replaced with a screw driver with no need to remove the unit from its cabinet. Heavy-duty silver alloy contacts of one half inch diameter provide for maximum life where only wiping the contacts assures positive operation. Ball-bearings throughout provide smooth operation and are sealed with aluminum covers to guard against dust and moisture. These enduring designs can be depended on for years of reliable service even in the most demanding allocations.

Contacts have a 20 amp rating with 2,400 watts per channel at 250 flashes per minute.

Model 20 units come with a 115 Volt Motor, 50/60 cycle. They are also available in 220 volt as a special order from your distributor.

Signatrol Model 20 Units

Model Number
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Number of Circuits Flashing Action Flashes Per Minute
Total Watt Capacity:
at 115 Volts
20-33 3 2 On – 1 Off 250 – 360 7,200 Watts
20-44 4 3 On – 1 Off 250 – 360 9,600 Watts
20-55 5 4 On – 1 Off 250 – 360 11,500 Watts
20-66 6 5 On – 1 Off 250 – 360 13,800 Watts
20-B-66 6 (prewired) 5 On – 1 Off 250 – 360 13,800 Watts