Andritz Aqua-Screen ASC-013-013-194, Operation & Maintenance Manual, Page: 157 / 316

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Shock Relay Pioneered by Tsubaki, the Shock Relay protects your equipment
against unexpected shock loads, overloads, and underloads
before damage occurs. Shock Relay protects the mechanical
parts of your equipment by monitoring the current on your
motor and shutting it down when the motor works too hard for
too long.
Advantages to you:
Back to work with the press of a button
No parts to replace
Precision adjustment and setting
Little potential for nuisance trips
Monitors and protects equipment from up to 1,000 feet away
The Shock Relay adapts to virtually any kind of equipment that’s
driven by an electric motor and is used in applications in a
broad variety of industries, including:
INDUSTRY APPLICATION
Material handling Conveyors, turntables, elevators
Water treatment plants Pumps, scrappers, water screens
Food machinery
Screw and belt conveyors, bucket
elevators
Machine tool Tapping machines, drill presses
Chemical Pumps, agitators, fi lters
We’ve thought of everything.
The Shock Relay knows when the motor driving your operation
is working too hard. It’s simple: you set the load current so
Shock Relay knows where your motor should be operating. And
it knows, too, when a surge is dangerous because you determine
the time of an acceptable momentary surge, allowing Shock
Relay to ignore small variations. Your adjustment of the start
time setting prevents the Shock Relay from engaging during
start up when the current draw of a motor is greater than the
running current.
Unlike mechanical devices like the Shear Pin Sprocket, which
requires downtime to fi x, U.S. Tsubaki’s Shock Relay resets at
the press of a button. That’s it.
Shock Relay selection is simple; it
is based on the motor amperage of
your machinery.
Shock Relay has an unlimited life – it
does not wear out.
Shock Relay accepts single and
three-phase motors up to 600 volts.
Shock Relay needs its own power
supply, usually 115V or 230V
single phase.
More information at www.ustsubaki.com
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