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At MBS, we specialize in manufacturing and distributing magnetic contactless brakes and dynamometers. Our dynamometers are designed to test motors and motor controllers, while our brakes vary in power dissipation capability from 1/8 to 100 HP. We are proud to offer water-cooled brakes capable of continuous dissipation of 100 HP. Our largest dynamometers feature two water-cooled brakes and can continuously dissipate 200 HP.

We also offer 100 HP and 200 HP dynamometers with four quadrant capabilities*, particularly for testing motor controller systems. At MBS, we understand that time is of the essence when it comes to testing equipment, so most of our brakes and dynamometers or their components are in stock or can be delivered within two weeks of ordering.

Our clientele consists of many Fortune 500 corporations and the state of California who trust in our equipment and testing services.

* Dynamometers with four quadrant capability include a motor that is coupled to the drive train in addition to the brakes. This motor can overdrive or overhaul a motor and drive system, which is crucial for testing systems such as cranes and bridge-raising systems. By simulating the weight of the crane load or bridge weight, we can test the power dissipation capability of the motor, motor controller, and braking resistors. Testing on a dynamometer also permits to safely verify that a system can handle all calculated loads, without the risk of damaging an expensive structure in the real world. Our four quadrant dynamometers are perfect for testing the state of California's bridge-raising systems, ensuring their safety and reliability.

Located in Southern California, MBS manufactures all its equipment in the USA. MBS staff members are experienced, knowledgeable professionals ready to support clients with their testing needs. 

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