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Category: Security & Door Automation

Automated Prison Doors

July 7, 2011

Groschopp worked with a manufacturer to create an automated system for moving heavy prison doors (weighing anywhere from 200-1200 lbs each). For this application, tight installation using a right angle reducer and the smallest possible motor was important. Because the prison doors would only be operating intermittently, Groschopp was able to use a smaller—and less […]

Automated Sliding Doors

July 6, 2011

Groschopp’s DC planetary gearmotor provided a low speed, high starting torque solution that could smoothly control a three to four element automated sliding glass door. The compact, inline design of the motor allowed it to fit discretely within a wall cavity. The motor was designed with an inexpensive integrated control that could set start and […]

Smoke Curtain

July 5, 2011

This OEM produces automated smoke curtains which lower at elevator doors in the event of a fire. They had tested three other brands of gearmotors to operate their curtains, and all had failed The Challenge A gearmotor which could operate in a wide range of curtain configurations High reliability especially after prolonged periods of inactivity […]

How to use the Motor Search Tool

Narrow your search by selecting motor type, gearbox, voltage, and phase options for your desired motor.

Select a dominant variable: choose one of the three parameters to narrow your search. The selected variable determines which slider bar you will be able to manually move.

Use the slider corresponding to your dominant variable to further narrow your motor selection. The other sliders will automatically move to show available ranges based on the range of your selected variable.

Results will upload as your search criteria changes. If you have any questions regarding your results or how to use the search tool, you can chat with us using the green tab on the left-hand side of your screen.


Note: Groschopp Universal motors are custom built to fit your application so no additional options are available to narrow the search. Selecting the Universal motor type will prompt a message taking you to the Universal product page.

Not sure what you need?

One of our team members would be happy to help. Contact us at 800-829-4135 or by email at sales@groschopp.com. You can also chat with us using the green tab on the left side of your screen.

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Universal Motors

Groschopp Universal motors are custom built to fit your application so no additional options are available to narrow the search. Standard frame sizes and motor features can be found on the Universal page.

go to Universal page