Shock Relay Manages Electrical Line Surges to Prevent Damage

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An unexpected electrical surge or an obstruction on your production line can put unnecessary strain on motors and other drive components, resulting in equipment failure and unscheduled downtime. While shocks and jams are common, and sometimes unavoidable, having the proper overload protection device can help you save on expensive maintenance and repairs.

With the Tsubaki® Electronic Shock Relay, you can detect problems on your production line before they result in costly equipment damage. The system monitors for an increase or decrease in line amperage, and, in the event of a surge, automatically shuts down the line to prevent damage to critical equipment.

How Electronic Shock Relay Works

The Shock Relay device is easy to set up, allowing you to get equipment up and running again in no time. The system requires three set-points, or overload parameters, to be established at installation. The first set-point, the amperage limit, determines the maximum amperage that is desired for the motor. The second point, the shock time, determines how long the system can continue operation if amperage exceeds the first set-point before it trips. The last point, the start time, determines how long to allow the motor to pull amperage above the amperage limit during startup.

If an overload is detected, the Shock Relay will shut down the line by sending a shutdown signal to the motor contactor and display an alarm on the Shock Relay. This allows you to safely remove the obstruction from the production line or investigate the cause of the electrical surge. Once the issue has been corrected, you can reset the system automatically or manually at the touch of a button.

Getting Started with Tsubaki Shock Relay

Shock Relays generally work with any voltage AC motor – single or three-phase – and are commonly used in applications involving conveyors or bucket elevators, like those used in the material handling or food processing industries. Shock Relays can also be used with pumps, filters, and other equipment found in water treatment or chemical plants, as well as tapping machines and drill presses relied on by the machine tool industry.

Each Shock Relay device can protect equipment that is up to 1,000 feet away, but it is best practice to have one Shock Relay monitor per motor. Shock Relays are solid state electronics with no wear components and are designed to retain set point accuracy to ensure safe, reliable and efficient operations day after day.

In addition to its Electronic Shock Relay devices, Tsubaki also offers a line of mechanical shock guards for harsh environments where dust, humidity and high temperatures create additional challenges for electronic devices.

Whatever your application needs may be, Tsubaki has the solution you need to safeguard your power equipment and eliminate unscheduled downtime.

To learn more about Electronic Shock Relay, click here or contact us today to request specific information from our team.