Accessory JBR-03 ABB

Possible Applications

This braking resistor is deployed in industrial drive systems where electric motors experience frequent dynamic deceleration, rapid reversing, or high-inertia stopping phases. It is typically integrated with variable frequency drives operating material handling systems such as conveyors, automated storage and retrieval cranes, and small industrial centrifuges. During braking events, the electric motor acts as a generator, and the resistor safely dissipates the resulting regenerative electrical energy as thermal energy to prevent overvoltage trips in the DC bus of the drive. The enclosed IP20 housing allows it to be safely mounted inside electrical control cabinets or dedicated enclosures protecting automation equipment in factory floors and machinery rooms.

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